Topic: crop yield and nitrogen - OpenAGRICOLA Search Results

1. Effect of nitrogen source on corn and bromegrass production, soil pH, and inorganic soil nitrogen

Article Title:: Agronomy journal.
Author:: Power, J.F.
View in NAL's Catalog:: CAIN729067728
Format:: Electronic

2. Como aumentar la produccion del maiz en el Valle del Rio Cauca (departamento del Valle)

Author:: Gomez-L, J.A.
View in NAL's Catalog:: CAIN709044391
Format:: Article

3. Fertilizacion de la cebada en la Sabana de Bogota, Ubate y Boyaca.

Author:: Rodriguez-R, G.
View in NAL's Catalog:: CAIN709046822
Format:: Article

4. Response of onion (Allium cepa L.) to differential fertilizer application.

Author:: Singh, M.P.
View in NAL's Catalog:: CAIN709057914
Format:: Article

5. Tall fescue and smooth bromegrass. I. Nitrogen and water requirements

Article Title:: Agronomy journal.
Author:: Eck, H.V.
View in NAL's Catalog:: IND81062282
Format:: Electronic

6. Effects of soil water on Rhizobium japonicum infection, nitrogen accumulation, and yield in Bragg soybeans

Article Title:: Agronomy journal.
Author:: Hunt, P.G.
View in NAL's Catalog:: IND81062291
Format:: Electronic

7. Effect of nitrogen fertilization on yield, composition, and quality of kenaf.

Article Title:: Agronomy journal
Author:: Adamson, W.C.
View in NAL's Catalog:: IND79017674
Format:: Article

8. Title in original language not available.

Article Title:: Agronomicheskie osnovy spetsializatsii sevooborotov / pod redaktsiei S.A. Vorob'eva i A.M. Chetvernia.
Author:: Rubin, S.S.
View in NAL's Catalog:: IND88051526
Format:: Article

9. Title in original language not available.

Article Title:: Agrokhimiia.
Author:: Dolgikh, IU.R.
View in NAL's Catalog:: IND88058632
Format:: Article

10. Title in original language not available.

Article Title:: Agrokhimiia.
Author:: Vakhmistrov, D.B.
View in NAL's Catalog:: IND88058636
Format:: Article

11. Title in original language not available.

Article Title:: Agrokhimiia.
Author:: Lisoval, A.P.
View in NAL's Catalog:: IND88065126
Format:: Article

12. Title in original language not available.

Article Title:: Agrokhimiia.
Author:: Vakhmistrov, D.B.
View in NAL's Catalog:: IND88065132
Format:: Article

13. Title in original language not available.

Article Title:: Agrokhimiia.
Author:: Getmanets, A.IA.
View in NAL's Catalog:: IND88065133
Format:: Article

14. Title in original language not available.

Article Title:: Agrokhimiia.
Author:: IAkimenko, V.N.
View in NAL's Catalog:: IND88065134
Format:: Article

15. Title in original language not available.

Article Title:: Agrokhimiia.
Author:: Elagin, I.N.
View in NAL's Catalog:: IND88003602
Format:: Article

16. Title in original language not available.

Article Title:: Agrokhimiia.
Author:: Volynkina, O.V.
View in NAL's Catalog:: IND88022412
Format:: Article

17. Title in original language not available.

Article Title:: Agrokhimiia.
Author:: Fedorov, A.A.
View in NAL's Catalog:: IND88022421
Format:: Article

18. Title in original language not available.

Article Title:: Agrokhimiia.
Author:: Nazariuk, V.M.
View in NAL's Catalog:: IND88022428
Format:: Article

19. Title in original language not available.

Article Title:: Agrokhimiia.
Author:: Filimonov, D.A.
View in NAL's Catalog:: IND88022463
Format:: Article

20. Management practices to increase yield and yield stability of pearl millet in Africa.

Article Title:: Proceedings of the International Pearl Millet Workshop : 7-11 April 1986, ICRISAT Center, India / sponsored by USAID Title XII (INTSORMIL) and (ICRISAT).
Author:: Fussell, L.K.
View in NAL's Catalog:: IND88057359
Format:: Article

21. The production of seed from Andropogon gayanus.

Article Title:: Samaru research bulletin.
Author:: Haggar, R.J.
View in NAL's Catalog:: ADL87079976
Format:: Article

22. Preskrba deteljno-travnih mesanic z atmosferskim dusikom in vpliv gnojenja z rudninskim dusikom.

Article Title:: Zbornik Biotehniske fakultete univerze Edvarda Kardelja v Ljubljani : Kmetijstvo.
Author:: Korosec, J.
View in NAL's Catalog:: IND87003679
Format:: Article

23. Grain yields of maize and the nitrogen contribution following Stylosanthes pasture in the Nigerian subhumid zone.

Article Title:: Experimental agriculture.
Author:: Mohamed Saleem, M.A.
View in NAL's Catalog:: ADL86070855
Format:: Article

24. Vliv postupne prvni sece jetele lucniho na obsah a produkci N-latek a vlakniny.

Article Title:: Rostlinna vyroba - Ceskoslovenska akademie zemedelska, Ustav vedeckotechnickych informaci pro zemedelstvi.
Author:: Binderova, A.
View in NAL's Catalog:: IND87025160
Format:: Article

25. The use of Azolla pinnata isolates as organic nitrogen sources for lowland rice (Oryza sativa).

Article Title:: Experimental agriculture.
Author:: Singh, A.L.
View in NAL's Catalog:: ADL87055032
Format:: Article

26. Uptake of 15N-labelled urea and 32P-labelled phosphate from acid-based urea phosphate and granular fertilizers.

Article Title:: Canadian journal of soil science = Revue canadienne de la science du sol.
Author:: Bole, J.B.
View in NAL's Catalog:: IND87065343
Format:: Article

27. Investigation into the change of N/K ratio in vine leaf and of grape yield.

Article Title:: ACTES = proceedings ; Montpellier, 2-8 Sept. 1984.
Author:: Dula, B.
View in NAL's Catalog:: IND87069765
Format:: Article

28. Sesame agronomy in south-east Tanzania. III. The effect of nitrogen and phosphorus on seed yield and oil content.

Article Title:: Experimental agriculture.
Author:: Taylor, B.R.
View in NAL's Catalog:: ADL86070860
Format:: Article

29. Yield and relationships among yield components and N- and P-related traits in maize genotypes under tropical conditions.

Article Title:: Zeitschrift fur Acker- und Pflanzenbau = Journal of agronomy and crop science.
Author:: Thiraporn, R.
View in NAL's Catalog:: IND85008686
Format:: Article

30. Nitrogengjodsling til kalrot med god vasstilgang.

Article Title:: Forskning og forsok i landbruket = Research in Norwegian agriculture.
Author:: Dragland, S.
View in NAL's Catalog:: IND85010519
Format:: Article

31. Effect of nitrogen fertilization on growth of root system, yield and fruit quality of Valencia orange trees in sandy soil.

Article Title:: Agricultural research review.
Author:: Alla, M.A.S.
View in NAL's Catalog:: IND85018192
Format:: Article

32. Wplyw mocznika i agramidu K-1 na plony masy i pobranie azotu przez mieszanki lucerny z trawami w doswiadczeniu wazonowym.

Article Title:: Pamietnik Pulawski : Prace Instytutu Uprawy Nawozenia i Gleboznawstwa.
Author:: Krawczyk, Z.
View in NAL's Catalog:: IND85024357
Format:: Article

33. Nachwirkung langjahrig durchgefuhrter N-Dungung und ihre Bewertung fur die Ertragsfahigkeit eines IS-Bodens.

Article Title:: Landwirtschaftliche Forschung. Sonderheft.
Author:: Lang, H.
View in NAL's Catalog:: IND85036238
Format:: Article

34. Die Bedeutung der Unterbodenbeschaffenheit fur die Ertragsbidlung von Getreide: Feldversuche auf verschiedenen Bodentypen mit variierter Nahrstoffversorgung.

Article Title:: Landwirtschaftliche Forschung. Sonderheft.
Author:: Rex, M.
View in NAL's Catalog:: IND85036243
Format:: Article

35. N-Auswaschungsverluste, Ertrag und Mineralstoffgehalt von Reis unter Berucksichtigung der Textur des Substrates und einer Nitrifizidbehandlung.

Article Title:: Beitrage zur tropischen Landwirtschaft und Veterinarmedizin.
Author:: Enzmann, J.
View in NAL's Catalog:: IND85037738
Format:: Article

36. Wheat yield as affected by methods of N fertilizers application.

Article Title:: Egyptian journal of soil science.
Author:: Korker, S.A.
View in NAL's Catalog:: ADL85071842
Format:: Article

37. Uticaj vremena setve i rokova vadenja secerne repe na neke tehnoloske osobine i prinos secera.

Article Title:: Savremena poljoprivreda.
Author:: Milosevic, R.
View in NAL's Catalog:: IND85075868
Format:: Article

38. Biochemical nitrogen transformation in soil--biotechnological approach.

Article Title:: Zentralblatt fur Mikrobiologie.
Author:: Novak, B.
View in NAL's Catalog:: IND88054657
Format:: Article

39. Blue-green algae: their role in Indian agriculture.

Article Title:: Crop productivity : proceedings of the Workshop on "Increasing Crop Productivity", 20th and 21st June 1986, Bombay, India / editors: H.C. Srivastava, S. Bhaskaran, K.K.G. Menon.
Author:: Kaushik, B.D.
View in NAL's Catalog:: IND88064881
Format:: Article

40. Effect of different levels of nitrogen and phosphorus on fodder yield and chemical composition of sorghum and cowpea.

Article Title:: Indian journal of agricultural research.
Author:: Gill, A.S.
View in NAL's Catalog:: ADL87075657
Format:: Article

41. Response of cowpea grain to varying levels of nitrogen and phosphorus.

Article Title:: Haryana Agricultural University journal of reserach.
Author:: Malik, B.S.
View in NAL's Catalog:: ADL87075662
Format:: Article

42. Symbiotic nitrogen fixation by some summer (kharif) legumes of Punjab.

Article Title:: Journal of research - Punjab Agricultural University.
Author:: Singh, R.
View in NAL's Catalog:: ADL87075664
Format:: Article

43. Effect of different green manuring croping on available nitrogen in soil and yield of wheat.

Article Title:: J N K V V research journal.
Author:: Bansal, K.N.
View in NAL's Catalog:: ADL87075671
Format:: Article

44. Fodder crop-cash crop sequences at Katherine, N.T.

Article Title:: Division of Land Research technical paper.
Author:: Phillips, L.J.
View in NAL's Catalog:: ADL87076675
Format:: Article

45. Small grain fertilizer experiments in Nebraska 1966.

Article Title:: Outstate testing circular - Agricultural Experiment Station, Institute of Agriculture and Natural Resources, University of Nebraska-Lincoln.
Author:: Dreier, A.F.
View in NAL's Catalog:: ADL87076679
Format:: Article

46. Forage yield and nitrogen partitioning responses of alfalfa to two cutting regimes and three soil nitrogen regimes.

Article Title:: Crop science.
Author:: Trimble, M.W.
View in NAL's Catalog:: ADL87079002
Format:: Article

47. Increased effectiveness of competitive rhizobium strains upon inoculation of Cajanus cajan.

Article Title:: Applied and Environmental microbiology.
Author:: Hernandez, B.S.
View in NAL's Catalog:: ADL87079472
Format:: Article

48. Fodder production of sorghum in association with different legumes under different levels of nitrogen.

Article Title:: Indian forester.
Author:: Singh, S.D.
View in NAL's Catalog:: ADL87079946
Format:: Article

49. Soil fertility under continuous cultivation in northern Nigeria. II. Responses to fertilizers in the absence of organic manures.

Article Title:: Samaru research bulletin.
Author:: Heathcote, R.G.
View in NAL's Catalog:: ADL87080014
Format:: Article

50. Contributions of ground cover, dry matter, and nitrogen from intercrops and cover crops in a corn polyculture system.

Article Title:: Agronomy journal.
Author:: Scott, T.W.
View in NAL's Catalog:: ADL87084452
Format:: Article

51. Effects of alfalfa proportions and clipping frequencies on timothy-alfalfa mixtures. I. Competition and yield advantages.

Article Title:: Agronomy journal.
Author:: Ta, T.C.
View in NAL's Catalog:: ADL87084457
Format:: Article

52. Effects of nitrogen and potassium on growth and cation composition of corn genotypes differing in average ear number.

Article Title:: Agronomy journal.
Author:: Ebelhar, S.A.
View in NAL's Catalog:: ADL87084469
Format:: Article

53. Intercropping soybean into standing green wheat.

Article Title:: Agronomy journal.
Author:: Reinbott, T.M.
View in NAL's Catalog:: ADL87084471
Format:: Article

54. Fertilization for forage production on calcareous mined land in Ohio.

Article Title:: Journal of soil and water conservation.
Author:: Sutton, P.
View in NAL's Catalog:: ADL87084650
Format:: Article

55. The effect of strategic nitrogen application and defoliation systems on the productivity of a perennial ryegrass/white clover sward.

Article Title:: Grass and forage science.
Author:: Frame, J.
View in NAL's Catalog:: ADL87085480
Format:: Article

56. Nitrogen fixation in fababeans as affected by plant population density in sole or intercropped systems with barley.

Article Title:: Soil biology and biochemistry.
Author:: Danso, S.K.A.
View in NAL's Catalog:: ADL87086141
Format:: Article

57. Response of maize to three short-term periods of waterlogging at high and low nitrogen levels on undisturbed and repacked soil.

Article Title:: Irrigation science.
Author:: Meyer, W.S.
View in NAL's Catalog:: ADL87090099
Format:: Article

58. No-tillage intercropped corn production in tall fescue sod as affected by sod-control and nitrogen fertilization.

Article Title:: Agronomy journal.
Author:: Wilkinson, S.R.
View in NAL's Catalog:: ADL87090174
Format:: Article

59. The effect of soil water potential, method of irrigation and nitrogen on plant water relations, canopy temperature, yield and water use of radish.

Article Title:: Journal of horticultural science.
Author:: Hedge, D.M.
View in NAL's Catalog:: ADL87092272
Format:: Article

60. Nonstructural carbohydrates and nitrogen of soybean grown under carbon dioxide enrichment.

Article Title:: Crop science.
Author:: Allen, L.H. Jr.
View in NAL's Catalog:: ADL87096019
Format:: Article

61. Nitrogen effects on soft red winter wheat yield, agronomic characteristics, and quality.

Article Title:: Crop science.
Author:: Bruckner, P.L.
View in NAL's Catalog:: ADL87096032
Format:: Article

62. Nitrogen and phosphorus transfers in a crop-livestock system in West Africa.

Article Title:: Agricultural systems.
Author:: Powell, J.M.
View in NAL's Catalog:: ADL87097246
Format:: Article

63. Coastal bermudagrass and Renner lovegrass fertilization responses in a subtropical climate.

Article Title:: Journal of range management.
Author:: Wiedenfeld, R.P.
View in NAL's Catalog:: ADL87097914
Format:: Article

64. Influence of chlorocholine chloride and ethrel on the grain yield and uptake of N,P and K in soybean.

Article Title:: Crop improvement.
Author:: Singh, H.
View in NAL's Catalog:: IND87100109
Format:: Article

65. Residual effects of clover on nitrogen nutrition of crops grown on Blackland soils.

Article Title:: Journal of plant nutrition.
Author:: Hipp, B.W.
View in NAL's Catalog:: ADL88000016
Format:: Article

66. Nitrogen fertilization, a guarantee for relative resistance of avocado trees to frost.

Article Title:: Journal of plant nutrition.
Author:: Lahav, E.
View in NAL's Catalog:: ADL88000021
Format:: Article

67. Effects of interruptions in N, P or K supply on the growth and development of lettuce.

Article Title:: Journal of plant nutrition.
Author:: Burns, I.G.
View in NAL's Catalog:: ADL88000083
Format:: Article

68. Diagnosing nutrient needs of garlic.

Article Title:: California agriculture - California Agricultural Experiment Station.
Author:: Tyler, K.S.
View in NAL's Catalog:: ADL88011970
Format:: Article

69. Corn silage production as influenced by tillage, winter cover, and N fertilizer.

Article Title:: Report of projects - Louisiana Agricultural Experiment Station, Department of Agronomy.
Author:: Dabney, S.
View in NAL's Catalog:: IND88014113
Format:: Article

70. The use of polyethylene mulches to change soil microclimate as revealed by enzyme activity and biomass nitrogen, sulphur and phosphorus.

Article Title:: Biology and fertility of soils.
Author:: Haynes, R.J.
View in NAL's Catalog:: IND88019488
Format:: Article

71. Effect of different green manures on responses of potatoes to K and its availability in the soil.

Article Title:: Journal of agricultural science.
Author:: Sharma, R.C.
View in NAL's Catalog:: IND88021022
Format:: Article

72. Deep placement effects of nitrogen and phosphorus on grain yield, nutrient uptake, and forage quality of winter wheat.

Article Title:: Agronomy journal.
Author:: Westerman, R.L.
View in NAL's Catalog:: IND88023254
Format:: Article

73. Photosynthetic capacity, leaf development, growth and productivity of sugar beet under optimal nitrogen supply.

Article Title:: Progress in photosynthesis research : proceedings of the VIIth International Congress on Photosynthesis, Providence, Rhode Island, USA, August 10-15, 1986 / edited by J. Biggins.
Author:: Ceulemans, R.
View in NAL's Catalog:: IND88025074
Format:: Article

74. Tillage and split N-fertilization effects on subsurface drainage water quality and crop yields.

Article Title:: Transactions of the ASAE.
Author:: Kanwar, R.S.
View in NAL's Catalog:: IND88026795
Format:: Article

75. Nitrogen needs of sugarbeet produced with reduced-tillage systems.

Article Title:: Agronomy journal.
Author:: Halvorson, A.D.
View in NAL's Catalog:: IND88047781
Format:: Article

76. The response of cowpea (Vigna unguiculata (L.) Walp.) to foliar sprays of nitrogen during the reproductive stage of development.

Article Title:: Field crops research.
Author:: Tayo, T.O.
View in NAL's Catalog:: ADL86080203
Format:: Article

77. Nutrient contribution and maize performance in alley cropping systems.

Article Title:: Agroforestry systems.
Author:: Yamoah, C.F.
View in NAL's Catalog:: ADL86081512
Format:: Article

78. Path coefficient analysis of N nutrition on yield and yield components for rice in a highly percolating soil.

Article Title:: Communications in soil science and plant analysis.
Author:: Singh, B.
View in NAL's Catalog:: ADL86082699
Format:: Article

79. Leaf number at topping and yield, grade index, and leaf chemistry of a mammoth-type tobacco.

Article Title:: Agronomy journal.
Author:: King, M.J.
View in NAL's Catalog:: ADL86085577
Format:: Article

80. Effect of tillage systems on proso millet production

Article Title:: Agronomy journal.
Author:: Anderson, R.L.
View in NAL's Catalog:: ADL86065511
Format:: Electronic

81. The effect of sawdust mulch and increasing levels of nitrogen on the weed growth and yield of false horn plantains (Musa ABB).

Article Title:: Biological agriculture and horticulture.
Author:: Obiefuna, J.C.
View in NAL's Catalog:: ADL86065575
Format:: Article

82. Response of wheat to sulfur fertilization.

Article Title:: Communications in soil science and plant analysis.
Author:: Mahler, R.J.
View in NAL's Catalog:: ADL87000038
Format:: Article

83. Urea retention and uptake by avocado and apple leaves.

Article Title:: Journal of plant nutrition.
Author:: Klein, I.
View in NAL's Catalog:: ADL87005073
Format:: Article

84. The biomass potential of seasonally flooded wetlands.

Article Title:: Bioenergy 84 : the proceedings of an international conference on bioenergy held on 15-21 June 1984 at the Swedish Trade Fair Centre, Goteborg, Sweden / edited by H. Egneus and A. Ellegard ; organized by Svenska Massan.
Author:: Smith, S.J.
View in NAL's Catalog:: IND87000820
Format:: Article

85. Interactive effects of water and nitrogen stresses on carbon and water vapor exchange of corn canopies.

Article Title:: Agricultural and forest meteorology.
Author:: Jones, J.W.
View in NAL's Catalog:: IND87009843
Format:: Article

86. Plant composition, nitrogen relations and yield of French bean as influenced by Rhizobium inoculation and applied nitrogen and phosphorus.

Article Title:: Andhra agricultural journal.
Author:: Suryanarayana, V.
View in NAL's Catalog:: ADL87011511
Format:: Article

87. Effect of soil versus foliar application of nitrogen in low land rice.

Article Title:: Andhra agricultural journal.
Author:: Reddy, M.G.R.
View in NAL's Catalog:: ADL87011522
Format:: Article

88. Effect of different levels and methods of fertilizer application on rainfed groundnut.

Article Title:: Andhra agricultural journal.
Author:: Vali, P.M.
View in NAL's Catalog:: ADL87011711
Format:: Article

89. Effect of time of nitrogen application on lowland rice.

Article Title:: Andhra agricultural journal.
Author:: Nageswara Rao, P.S.
View in NAL's Catalog:: ADL87011714
Format:: Article

90. Studies on nitrogen, phosphorus and molybdenum requirements of blackgram.

Article Title:: Andhra agricultural journal.
Author:: Nagamalleswara Rao, K.
View in NAL's Catalog:: ADL87011718
Format:: Article

91. Uptake of nitrogen and grain yield response of four high yielding rice varieties under different fertilizer levels.

Article Title:: Andhra agricultural journal.
Author:: Reddy, A.V.
View in NAL's Catalog:: ADL87011735
Format:: Article

92. Effect of micronutrients on sunflower.

Article Title:: Andhra agricultural journal.
Author:: Misra, N.M.
View in NAL's Catalog:: ADL87011751
Format:: Article

93. Effect of seeding date, plant density, moisture availability and soil nitrogen fertility on maize kernel breakage susceptibility.

Article Title:: Crop science.
Author:: Bauer, P.J.
View in NAL's Catalog:: ADL87019193
Format:: Article

94. Influence of phosphorus and nitrogen on celery.

Article Title:: California agriculture - California Agricultural Experiment Station.
Author:: Post, S.E.C.
View in NAL's Catalog:: ADL86080228
Format:: Article

95. Relationship between nitrogen absorption and growth and yield of rice plants.

Article Title:: JARQ, Japan agricultural research quarterly.
Author:: Wada, G.
View in NAL's Catalog:: IND87020926
Format:: Article

96. Slurry dairy manure as a corn nutrient source.

Article Title:: Agricultural wastes.
Author:: Safley, L.M. Jr.
View in NAL's Catalog:: ADL87027757
Format:: Article

97. Bahiagrass response to lime and nitrogen under pines.

Article Title:: Agronomy journal.
Author:: Teare, I.D.
View in NAL's Catalog:: ADL87029401
Format:: Article

98. Effect of tillage on residual nitrogen availability from alfalfa to succeeding corn crops.

Article Title:: Agronomy journal.
Author:: Levin, A.
View in NAL's Catalog:: ADL87029408
Format:: Article

99. Nitrogen contribution to succeeding corn from alfalfa and red clover.

Article Title:: Agronomy journal.
Author:: Bruulsema, T.W.
View in NAL's Catalog:: ADL87029420
Format:: Article

100. Fertilizer effects on yield, grain composition, and foliar disease of doublecrop soft red winter wheat.

Article Title:: Agronomy journal.
Author:: Boquet, D.J.
View in NAL's Catalog:: ADL87029428
Format:: Article

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1. Effect of nitrogen source on corn and bromegrass production, soil pH, and inorganic soil nitrogen

2. Como aumentar la produccion del maiz en el Valle del Rio Cauca (departamento del Valle)

3. Fertilizacion de la cebada en la Sabana de Bogota, Ubate y Boyaca.

4. Response of onion (Allium cepa L.) to differential fertilizer application.

5. Tall fescue and smooth bromegrass. I. Nitrogen and water requirements

6. Effects of soil water on Rhizobium japonicum infection, nitrogen accumulation, and yield in Bragg soybeans

7. Effect of nitrogen fertilization on yield, composition, and quality of kenaf.

8. Title in original language not available.

9. Title in original language not available.

10. Title in original language not available.

11. Title in original language not available.

12. Title in original language not available.

13. Title in original language not available.

14. Title in original language not available.

15. Title in original language not available.

16. Title in original language not available.

17. Title in original language not available.

18. Title in original language not available.

19. Title in original language not available.

20. Management practices to increase yield and yield stability of pearl millet in Africa.

21. The production of seed from Andropogon gayanus.

22. Preskrba deteljno-travnih mesanic z atmosferskim dusikom in vpliv gnojenja z rudninskim dusikom.

23. Grain yields of maize and the nitrogen contribution following Stylosanthes pasture in the Nigerian subhumid zone.

24. Vliv postupne prvni sece jetele lucniho na obsah a produkci N-latek a vlakniny.

25. The use of Azolla pinnata isolates as organic nitrogen sources for lowland rice (Oryza sativa).

26. Uptake of 15N-labelled urea and 32P-labelled phosphate from acid-based urea phosphate and granular fertilizers.

27. Investigation into the change of N/K ratio in vine leaf and of grape yield.

28. Sesame agronomy in south-east Tanzania. III. The effect of nitrogen and phosphorus on seed yield and oil content.

29. Yield and relationships among yield components and N- and P-related traits in maize genotypes under tropical conditions.

30. Nitrogengjodsling til kalrot med god vasstilgang.

31. Effect of nitrogen fertilization on growth of root system, yield and fruit quality of Valencia orange trees in sandy soil.

32. Wplyw mocznika i agramidu K-1 na plony masy i pobranie azotu przez mieszanki lucerny z trawami w doswiadczeniu wazonowym.

33. Nachwirkung langjahrig durchgefuhrter N-Dungung und ihre Bewertung fur die Ertragsfahigkeit eines IS-Bodens.

34. Die Bedeutung der Unterbodenbeschaffenheit fur die Ertragsbidlung von Getreide: Feldversuche auf verschiedenen Bodentypen mit variierter Nahrstoffversorgung.

35. N-Auswaschungsverluste, Ertrag und Mineralstoffgehalt von Reis unter Berucksichtigung der Textur des Substrates und einer Nitrifizidbehandlung.

36. Wheat yield as affected by methods of N fertilizers application.

37. Uticaj vremena setve i rokova vadenja secerne repe na neke tehnoloske osobine i prinos secera.

38. Biochemical nitrogen transformation in soil--biotechnological approach.

39. Blue-green algae: their role in Indian agriculture.

40. Effect of different levels of nitrogen and phosphorus on fodder yield and chemical composition of sorghum and cowpea.

41. Response of cowpea grain to varying levels of nitrogen and phosphorus.

42. Symbiotic nitrogen fixation by some summer (kharif) legumes of Punjab.

43. Effect of different green manuring croping on available nitrogen in soil and yield of wheat.

44. Fodder crop-cash crop sequences at Katherine, N.T.

45. Small grain fertilizer experiments in Nebraska 1966.

46. Forage yield and nitrogen partitioning responses of alfalfa to two cutting regimes and three soil nitrogen regimes.

47. Increased effectiveness of competitive rhizobium strains upon inoculation of Cajanus cajan.

48. Fodder production of sorghum in association with different legumes under different levels of nitrogen.

49. Soil fertility under continuous cultivation in northern Nigeria. II. Responses to fertilizers in the absence of organic manures.

50. Contributions of ground cover, dry matter, and nitrogen from intercrops and cover crops in a corn polyculture system.

51. Effects of alfalfa proportions and clipping frequencies on timothy-alfalfa mixtures. I. Competition and yield advantages.

52. Effects of nitrogen and potassium on growth and cation composition of corn genotypes differing in average ear number.

53. Intercropping soybean into standing green wheat.

54. Fertilization for forage production on calcareous mined land in Ohio.

55. The effect of strategic nitrogen application and defoliation systems on the productivity of a perennial ryegrass/white clover sward.

56. Nitrogen fixation in fababeans as affected by plant population density in sole or intercropped systems with barley.

57. Response of maize to three short-term periods of waterlogging at high and low nitrogen levels on undisturbed and repacked soil.

58. No-tillage intercropped corn production in tall fescue sod as affected by sod-control and nitrogen fertilization.

59. The effect of soil water potential, method of irrigation and nitrogen on plant water relations, canopy temperature, yield and water use of radish.

60. Nonstructural carbohydrates and nitrogen of soybean grown under carbon dioxide enrichment.

61. Nitrogen effects on soft red winter wheat yield, agronomic characteristics, and quality.

62. Nitrogen and phosphorus transfers in a crop-livestock system in West Africa.

63. Coastal bermudagrass and Renner lovegrass fertilization responses in a subtropical climate.

64. Influence of chlorocholine chloride and ethrel on the grain yield and uptake of N,P and K in soybean.

65. Residual effects of clover on nitrogen nutrition of crops grown on Blackland soils.

66. Nitrogen fertilization, a guarantee for relative resistance of avocado trees to frost.

67. Effects of interruptions in N, P or K supply on the growth and development of lettuce.

68. Diagnosing nutrient needs of garlic.

69. Corn silage production as influenced by tillage, winter cover, and N fertilizer.

70. The use of polyethylene mulches to change soil microclimate as revealed by enzyme activity and biomass nitrogen, sulphur and phosphorus.

71. Effect of different green manures on responses of potatoes to K and its availability in the soil.

72. Deep placement effects of nitrogen and phosphorus on grain yield, nutrient uptake, and forage quality of winter wheat.