- OpenAgricola Search Results

1. L: -5-hydroxytryptophan resets the circadian locomotor activity rhythm of the nocturnal Indian pygmy field mouse, Mus terricolor

Article Title:: Naturwissenschaften.
View in NAL's Catalog:: IND44865564
Format:: Electronic

2. L: -Amino acid oxidase from filamentous fungi: screening and optimization

Article Title:: Annals of microbiology..
View in NAL's Catalog:: IND45257968
Format:: Electronic

3. L: -Theanine extends lifespan of adult Caenorhabditis elegans

Article Title:: European journal of nutrition.
View in NAL's Catalog:: IND44720403
Format:: Electronic

4. Fall 1905 surplus list /

Published:: 1905
View in NAL's Catalog:: CAT31287214
Format:: Book

5. Fall 1906 surplus list /

Published:: 1906
View in NAL's Catalog:: CAT31287789
Format:: Book

6. On a new mass spe[c]trograph = Über einen neuen Massenspektrographen /

Published:: 1974
Author:: Mattauch, J.
View in NAL's Catalog:: CAT93500791
Format:: Book

7. L' A, B, C du chauffage des serres ...

Published:: 1880
Author:: Vendeuvre, Charles de.
View in NAL's Catalog:: CAT10919003
Format:: Book

8. Los abonos /

Published:: 1992
Author:: Fuentes Yagüe, José Luis.
View in NAL's Catalog:: CAT10743100
Format:: Book

9. Les accidents du tournesol.

Published:: 1996
View in NAL's Catalog:: CAT10858744
Format:: Book

10. El Aceite de oliva : Actas de los Simposios Científico-Técnicos de 1983, 1985 y 1987 : ponencias, comunicaciones, conclusiones.

Published:: 1989
View in NAL's Catalog:: CAT10397888
Format:: Book

11. El aclareo químico de flores o de frutos jóvenes en manzano, permite reducir la alternancia de producciones y mejorar el calibre de los frutos /

Published:: 1992
Author:: Espada Carbó, José Luis.
View in NAL's Catalog:: CAT11093468
Format:: Book

12. Les acquis de la recherche sur Coffea arabica L. dans la région des Grands Lacs (Zaire-Rwanda-Burundi) /

Published:: 1988
Author:: Lambot, Ch.
View in NAL's Catalog:: CAT92970909
Format:: Book

13. [The actual results of Fibre Control Policy Research Association].

Published:: 1941
View in NAL's Catalog:: CAT10974094
Format:: Book

14. An addendum to the sternum and rib adjustment techniques /

Published:: 2004
Author:: Schmidt, William L.
View in NAL's Catalog:: CAT30937567
Format:: Book

15. An Administrative Management Meeting, April 8-11.

View in NAL's Catalog:: CAT31366438
Format:: Book

16. L' agriculteur, le marché et l'état : actes du Colloque "Economie mondiale des Grandes Cultures : portée et limites de la libéralisation des politiques agricoles", Paris, 4 et 5 décembre 1990 /

Published:: 1991
View in NAL's Catalog:: CAT92977282
Format:: Book

17. An agro-climatological characterization of bread wheat production areas in Ethiopia /

Published:: 2001
Author:: White, Jeffrey W.
View in NAL's Catalog:: CAT11111739
Format:: Book

18. La Agroindustria en el Ecuador /

Published:: 1985
View in NAL's Catalog:: CAT93502975
Format:: Book

19. An agronomic and economic profile of Florida's sod industry in 2000 /

Published:: 2002
Author:: Haydu, John J.
View in NAL's Catalog:: CAT11123716
Format:: Book

20. The American Type Culture Collection catalogue of strains I : algae, bacteria, bacteriophages, fungi, protozoa /

Published:: 1976
View in NAL's Catalog:: CAT30996115
Format:: Book

21. DER: An algorithm for comparing species diversity between assemblages

Article Title:: Ecological indicators.
View in NAL's Catalog:: IND605849060
Format:: Electronic

22. An analysis of agricultural real estate values in Mississippi /

Published:: 1988
Author:: Spurlock, Stan R.
View in NAL's Catalog:: CAT91260091
Format:: Book

23. An analysis of cattlemen's marketing costs in Louisiana and Mississippi /

Published:: 1994
Author:: Guidry, Kurt.
View in NAL's Catalog:: CAT10694459
Format:: Book

24. An analysis of direct to packer marketing of hogs in Ohio ...

Published:: 1930
Author:: Stout, Whitney Bowman, 1899-
View in NAL's Catalog:: CAT10903417
Format:: Book

25. An analysis of land use change at the rural-urban fringe : a theoretical and empirical treatment /

Published:: 1991
Author:: Wiese, Arthur Michael.
View in NAL's Catalog:: CAT11073249
Format:: Book

26. An analysis of numerical models of air pollutant exposure and vegetation response /

Published:: 1987
Author:: Krupa, Sagar V.
View in NAL's Catalog:: CAT11079785
Format:: Book

27. An analysis of retail trade in Nebraska counties by major trade groupings /

Published:: 1991
Author:: Young, Joel J.
View in NAL's Catalog:: CAT91963586
Format:: Book

28. An analysis of the macroeconomic effects of foreign aid : the case of Egypt /

Published:: 1992
Author:: Cua, Olivia Ong.
View in NAL's Catalog:: CAT11075260
Format:: Book

29. An analysis of the proteolytic system in Aspergillus in order to improve protein production /

Published:: 1996
Author:: Hombergh van den, Johannes Petrus Theodorus Wilhelmus.
View in NAL's Catalog:: CAT10816222
Format:: Book

30. A₁ and A₃ adenosine receptors inhibit LPS-induced hypoxia-inducible factor-1 accumulation in murine astrocytes

Article Title:: Pharmacological research.
View in NAL's Catalog:: IND601055513
Format:: Electronic

31. A- and B-chromosome pairing and recombination in male meiosis of the silver fox (Vulpes vulpes L., 1758, Carnivora, Canidae)

Article Title:: Chromosome research.
View in NAL's Catalog:: IND44426431
Format:: Electronic

32. A- and B-subunit variant distribution in the holoprotein variants of protein toxin abrin: variants of abrins I and III have constant toxic A subunits and variant lectin B subunits

Article Title:: Archives of biochemistry and biophysics.
View in NAL's Catalog:: IND20591108
Format:: Electronic

33. l- and d-Proline Adsorption by Chiral Ordered Mesoporous Silica

Article Title:: Langmuir.
View in NAL's Catalog:: IND605765288
Format:: Electronic

34. L- and P-band backscatter intensity for biomass retrieval in hemiboreal forest

Article Title:: Remote sensing of environment.
View in NAL's Catalog:: IND600875723
Format:: Electronic

35. Un' annata record per il grano: Q.li 46,24 di media provinciale.

Author:: Pasini, B.
View in NAL's Catalog:: CAIN729045747
Format:: Article

36. Die Antibiotica,

Published:: 1962
Author:: Brunner, Richard.
View in NAL's Catalog:: CAT10666327
Format:: Book

37. Un' antica legge "sopra li castagni salvatichi"

Article Title:: Monti e boschi
Author:: Hellrigl, B.
View in NAL's Catalog:: CAIN759103074
Format:: Article

38. "The Apache Trail" : a national scenic byway : a portion of State Highway 88, Mesa & Tonto Basin Ranger Districts /

Published:: 1990
View in NAL's Catalog:: CAT93999166
Format:: Book

39. The appointed committee in the Moshav olim /

Published:: 1989
Author:: Levi, Yair.
View in NAL's Catalog:: CAT10689690
Format:: Book

40. El arte de criar conejos /

Published:: 1991
Author:: Ferrer Palaus, José.
View in NAL's Catalog:: CAT91967290
Format:: Book

41. An assessment of forest ecosystem health in the Southwest /

Published:: 1975
View in NAL's Catalog:: CAT10835728
Format:: Book

42. An assessment of the impact of alternative crow-benefit payment policies on western Canadian feed grain and livestock industries /

Published:: 1990
Author:: Sarwar, Ghulam.
View in NAL's Catalog:: CAT93992498
Format:: Book

43. Ạl Aṭlas al-zirāʻ lilʻālam al-ʻArabī /

Published:: 1959
View in NAL's Catalog:: CAT92993409
Format:: Book

44. An autumn apple of extraordinary merit : Waldron beauty /

Published:: 1911
View in NAL's Catalog:: CAT31292253
Format:: Book

45. El azúcar en la Argentina y en el mundo /

Published:: 1990
Author:: Carreras, Alberto de las.
View in NAL's Catalog:: CAT91946584
Format:: Book

46. Les bases de l'irrigation /

Published:: 1987
Author:: Ducrocq, Michel.
View in NAL's Catalog:: CAT89908784
Format:: Book

47. Les bases et les effets de la réforme foncière en Tchécoslovaquie,

Published:: 1925
Author:: Pavel, Antonín, b. 1887.
View in NAL's Catalog:: CAT10988753
Format:: Book

48. Die, baumschulen /

Published:: 1909
Author:: Pein, H. H.
View in NAL's Catalog:: CAT10941157
Format:: Book

49. 'N bedryfsekonomiese ondersoek na boerderydoeltreffendheid in die Suidelike Swartland /

Published:: 1975
Author:: Martinson, Thomas Johannes.
View in NAL's Catalog:: CAT85819366
Format:: Book

50. Ein beitrag zur kenntniss der wasserstoffionenkonzentration im rinderharn ...

Published:: 1925
Author:: Wittig, Wilhelm Fritz, 1896-
View in NAL's Catalog:: CAT10991307
Format:: Book

51. Et beslutningsstøttesystem for dyresundhed : et Bayesiansk netværk for almindelig lungesyge /

Published:: 2002
Author:: Otto, Lars.
View in NAL's Catalog:: CAT11132786
Format:: Book

52. Eine Bewässerungsanlage im Kanton Graubünden.

Published:: 1945
Author:: Vital, N.
View in NAL's Catalog:: CAT10885702
Format:: Book

53. "The bigger they are, the harder they fall" : how price differences across U.S. cities are arbitraged /

Published:: 1997
Author:: O'Connell, Paul G. J.
View in NAL's Catalog:: CAT10832774
Format:: Book

54. 'N Bio-ekologiese en gedragstudie van die jagluiperd Acinonyx jubatus jubatus (Schreber, 1776) /

Published:: 1979
Author:: Labuschagne, Wilhelmus.
View in NAL's Catalog:: CAT83789620
Format:: Book

55. A Black bear's woodland menu, some food items of black bears in northern forests

Published:: 1991
View in NAL's Catalog:: CAT92977133
Format:: Photo

56. Year book 1952 : January 1, 1952-December 31, 1952.

Published:: 1953
View in NAL's Catalog:: CAT90940831
Format:: Book

57. Year book of the International Council of Scientific Unions

Published:: 1954
View in NAL's Catalog:: CAT10264860
Format:: Journal

58. Year book, 1948 /

View in NAL's Catalog:: CAT31381921
Format:: Book

59. Eine botanische tropenreise, indo-malaiische vegetationsbilder und reiseskizzen /

Published:: 1926
Author:: Haberlandt, Gottlieb, b. 1854.
View in NAL's Catalog:: CAT11028626
Format:: Book

60. El caballo en Andalucía : orígenes e historia, cría y doma /

Published:: 1992
Author:: Jiménez Benítez, Manuel.
View in NAL's Catalog:: CAT93506117
Format:: Book

61. A Case of working smarter, not harder

Published:: 1982
View in NAL's Catalog:: CAT10567314
Format:: Video

62. "The case" in the analysis of agricultural extension techniques.

Published:: 1951
View in NAL's Catalog:: CAT31061348
Format:: Book

63. Cria casera de gallinas /

Published:: 1963
View in NAL's Catalog:: CAT31106170
Format:: Book

64. A catalogue of orchids for 1890, cultivated and for sale by John Saul, nurseryman, seedmsman and florist, Washington City, D. C.

Published:: 1890
View in NAL's Catalog:: CAT31119305
Format:: Book

65. A catalogue of orchids, for 1883, cultivated for sale by John Saul, nurseryman, seedmsman and florist, Washington, D. C.

Published:: 1883
View in NAL's Catalog:: CAT31119312
Format:: Book

66. Le centenaire du Journal de pharmacie et de chimie, 1809-1909 : histoire du journal et notices biographiques /

Published:: 1910
Author:: Bourquelot, Emile, 1851-1921.
View in NAL's Catalog:: CAT11023378
Format:: Book

67. A characterization of sequential aerial malathion applications in the Santa Clara Valley of California, 1981 / by R.J. Oshima ... [et al.].

Published:: 1982
View in NAL's Catalog:: CAT10685584
Format:: Book

68. Le chat des Chartreux /

Published:: 1989
Author:: Simmonet, Jean.
View in NAL's Catalog:: CAT10664443
Format:: Book

69. [A checklist of the three hundred (300) species now in stock] : list compiled and seeds collected by David Marx, naturalist.

View in NAL's Catalog:: CAT31345556
Format:: Book

70. Le CIRAD en 1992.

Published:: 1993
View in NAL's Catalog:: CAT30926303
Format:: Book

71. La coltivazione dei funghi, il prataiolo agarico o "agaricus campestris" coltivato, coltivazione, selezione e miglioramento delle tre varieta' della stessa specie.

Published:: 1918
Author:: Monticelli, Gino.
View in NAL's Catalog:: CAT10922952
Format:: Book

72. El Comienzo-- ciudado prenatal para adolescentes /

Published:: 1988
View in NAL's Catalog:: CAT93992749
Format:: VHS

73. La comunidad europea y las exportaciones de la pampa argentina /

Published:: 1993
Author:: Devoto, Rubén.
View in NAL's Catalog:: CAT10690713
Format:: Book

74. Le contrôle antidopage dans les sports équestres : évolution et situation actuelle /

Published:: 1988
Author:: Courtot, Daniel, 1943-
View in NAL's Catalog:: CAT30980544
Format:: Book

75. El cultivo del arroz : resultados tados de los ensayos de variedades (cosecha 1.995) /

Published:: 1996
Author:: Pérez Berges, Manuel.
View in NAL's Catalog:: CAT11093460
Format:: Book

76. El cultivo del girasol : técnicas de cultivo y resultado de ensayos /

Published:: 1992
View in NAL's Catalog:: CAT11093470
Format:: Book

77. Los derechos de propiedad de las obtenciones vegetales /

Published:: 1998
Author:: Nuez, F.
View in NAL's Catalog:: CAT10870921
Format:: Book

78. A descriptive catalogue of a selection of roses cultivated for sale by John Saul, nurseryman, seedsman & florist, Washington, D. C.

Published:: 1872
View in NAL's Catalog:: CAT31119283
Format:: Book

79. A descriptive catalogue of orchids, for 1882, cultivated for sale by John Saul, nurseryman, seedmsman and florist, Washington, D. C.

Published:: 1882
View in NAL's Catalog:: CAT31119278
Format:: Book

80. A descriptive catalogue of orchids, nepenthes, &c. for 1880. Cultivated for sale by John Saul, nurseryman, seedmsman and florist, Washington, D. C.

Published:: 1880
View in NAL's Catalog:: CAT31119279
Format:: Book

81. A descriptive list of vegetable varieties.

View in NAL's Catalog:: CAT31382771
Format:: Book

82. "The development and evaluation of performance based training for elementary teachers and school food service personnel in nutrition education" in Alabama, Florida, Georgia, Mississippi, Tennessee : final report.

Published:: 1975
View in NAL's Catalog:: CAT30953966
Format:: Book

83. L. donovani XPRT: Molecular characterization and evaluation of inhibitors

Article Title:: Biochimica et biophysica acta.
View in NAL's Catalog:: IND605915318
Format:: Electronic

84. An economic analysis of crops grown in rotation with potatoes in Aroostook County, Maine /

Published:: 1991
Author:: Westra, John V.
View in NAL's Catalog:: CAT10836366
Format:: Book

85. An economic analysis of enterprise combinations on mountain valley cattle ranches /

Published:: 1987
Author:: Feuz, Dillon M.
View in NAL's Catalog:: CAT92263082
Format:: Book

86. An economic analysis of forest land leasing for deer hunting in Louisiana /

Published:: 1990
Author:: Messonnier, Mark L.
View in NAL's Catalog:: CAT92974697
Format:: Book

87. An economic analysis of research and technology transfer of millet, sorghum, and cowpeas in Niger /

Published:: 1994
Author:: Mazzucato, Valentina.
View in NAL's Catalog:: CAT10701675
Format:: Book

88. An economic analysis of the IFMPO /

Published:: 1992
View in NAL's Catalog:: CAT92985892
Format:: Book

89. An Economic analysis of using aquaculture as a polishing treatment in wastewater stabilization ponds in the State of Maine /

Published:: 1994
Author:: Metcalfe, Mark R. 1969-
View in NAL's Catalog:: CAT10866808
Format:: Book

90. An economic assessment of the Myanmar rice sector : current developments and prospects /

Published:: 1998
Author:: Young, Kenneth B.
View in NAL's Catalog:: CAT10861119
Format:: Book

91. An economic chronology of bovine spongiform encephalopathy in North America

Published:: 2006
View in NAL's Catalog:: CAT31054529
Format:: Electronic

92. An economic evaluation of the pork checkoff program /

Published:: 2001
View in NAL's Catalog:: CAT11100829
Format:: Book

93. An economic survey of a Texas cotton plantation as to tenantry, tenancy, and management

Published:: 1930
Author:: Elliott, Edwin Alexander.
View in NAL's Catalog:: CAT11103156
Format:: Microfilm

94. An Economic survey of privately owned shooting preserves in Wisconsin /

Published:: 1969
View in NAL's Catalog:: CAT92265369
Format:: Book

95. The economic value of recreational boating of Lake Erie /

Published:: 1982
Author:: Wenner, Kenneth A.
View in NAL's Catalog:: CAT10827599
Format:: Book

96. [The economics of canning fresh fruit and vegetables] : a radio talk by Mrs. Rowena Schmidt Carpenter, Bureau of Home Economics, delivered through WRC and 34 other radio stations associated with the National Broadcasting Company [in the Department of Agriculture period of the National farm and home hour], July 9, 1930.

Published:: 1930
View in NAL's Catalog:: CAT31307117
Format:: Book

97. [The efficient kitchen] : a radio talk by Laura Cowley Brossard, Bureau of Home Economics, delivered through WRC and 40 other radio stations associated with the National Broadcasting Company, [in the Department of Agriculture period of the National farm and home hour], March 26, 1931.

Published:: 1931
View in NAL's Catalog:: CAT31306716
Format:: Book

98. [The efficient kitchen] : a radio talk by Mrs. Rowena Schmidt Carpenter, Bureau of Home Economics, delivered through WRC and 32 other radio stations associated with the National Broadcasting Company, Friday, October 25, 1929 at 1:10 P.M. Eastern Standard Time.

Published:: 1929
View in NAL's Catalog:: CAT31306858
Format:: Book

99. An elevator for handling chopped forage /

Published:: 1951
Author:: Mowery, Albert S.
View in NAL's Catalog:: CAT91262174
Format:: Book

100. An Endocrinological basis for the persistance of equine arteritis virus in the reproductive tract of the stallion /

Published:: 1993
Author:: Little, Thomas VanDeusen.
View in NAL's Catalog:: CAT10866540
Format:: Book

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1. L: -5-hydroxytryptophan resets the circadian locomotor activity rhythm of the nocturnal Indian pygmy field mouse, Mus terricolor

2. L: -Amino acid oxidase from filamentous fungi: screening and optimization

3. L: -Theanine extends lifespan of adult Caenorhabditis elegans

4. Fall 1905 surplus list /

5. Fall 1906 surplus list /

6. On a new mass spe[c]trograph = Über einen neuen Massenspektrographen /

7. L' A, B, C du chauffage des serres ...

8. Los abonos /

9. Les accidents du tournesol.

10. El Aceite de oliva : Actas de los Simposios Científico-Técnicos de 1983, 1985 y 1987 : ponencias, comunicaciones, conclusiones.

11. El aclareo químico de flores o de frutos jóvenes en manzano, permite reducir la alternancia de producciones y mejorar el calibre de los frutos /

12. Les acquis de la recherche sur Coffea arabica L. dans la région des Grands Lacs (Zaire-Rwanda-Burundi) /

13. [The actual results of Fibre Control Policy Research Association].

14. An addendum to the sternum and rib adjustment techniques /

15. An Administrative Management Meeting, April 8-11.

16. L' agriculteur, le marché et l'état : actes du Colloque "Economie mondiale des Grandes Cultures : portée et limites de la libéralisation des politiques agricoles", Paris, 4 et 5 décembre 1990 /

17. An agro-climatological characterization of bread wheat production areas in Ethiopia /

18. La Agroindustria en el Ecuador /

19. An agronomic and economic profile of Florida's sod industry in 2000 /

20. The American Type Culture Collection catalogue of strains I : algae, bacteria, bacteriophages, fungi, protozoa /

21. DER: An algorithm for comparing species diversity between assemblages

22. An analysis of agricultural real estate values in Mississippi /

23. An analysis of cattlemen's marketing costs in Louisiana and Mississippi /

24. An analysis of direct to packer marketing of hogs in Ohio ...

25. An analysis of land use change at the rural-urban fringe : a theoretical and empirical treatment /

26. An analysis of numerical models of air pollutant exposure and vegetation response /

27. An analysis of retail trade in Nebraska counties by major trade groupings /

28. An analysis of the macroeconomic effects of foreign aid : the case of Egypt /

29. An analysis of the proteolytic system in Aspergillus in order to improve protein production /

30. A₁ and A₃ adenosine receptors inhibit LPS-induced hypoxia-inducible factor-1 accumulation in murine astrocytes

31. A- and B-chromosome pairing and recombination in male meiosis of the silver fox (Vulpes vulpes L., 1758, Carnivora, Canidae)

32. A- and B-subunit variant distribution in the holoprotein variants of protein toxin abrin: variants of abrins I and III have constant toxic A subunits and variant lectin B subunits

33. l- and d-Proline Adsorption by Chiral Ordered Mesoporous Silica

34. L- and P-band backscatter intensity for biomass retrieval in hemiboreal forest

35. Un' annata record per il grano: Q.li 46,24 di media provinciale.

36. Die Antibiotica,

37. Un' antica legge "sopra li castagni salvatichi"

38. "The Apache Trail" : a national scenic byway : a portion of State Highway 88, Mesa & Tonto Basin Ranger Districts /

39. The appointed committee in the Moshav olim /

40. El arte de criar conejos /

41. An assessment of forest ecosystem health in the Southwest /

42. An assessment of the impact of alternative crow-benefit payment policies on western Canadian feed grain and livestock industries /

43. Ạl Aṭlas al-zirāʻ lilʻālam al-ʻArabī /

44. An autumn apple of extraordinary merit : Waldron beauty /

45. El azúcar en la Argentina y en el mundo /

46. Les bases de l'irrigation /

47. Les bases et les effets de la réforme foncière en Tchécoslovaquie,

48. Die, baumschulen /

49. 'N bedryfsekonomiese ondersoek na boerderydoeltreffendheid in die Suidelike Swartland /

50. Ein beitrag zur kenntniss der wasserstoffionenkonzentration im rinderharn ...

51. Et beslutningsstøttesystem for dyresundhed : et Bayesiansk netværk for almindelig lungesyge /

52. Eine Bewässerungsanlage im Kanton Graubünden.

53. "The bigger they are, the harder they fall" : how price differences across U.S. cities are arbitraged /

54. 'N Bio-ekologiese en gedragstudie van die jagluiperd Acinonyx jubatus jubatus (Schreber, 1776) /

55. A Black bear's woodland menu, some food items of black bears in northern forests

56. Year book 1952 : January 1, 1952-December 31, 1952.

57. Year book of the International Council of Scientific Unions

58. Year book, 1948 /

59. Eine botanische tropenreise, indo-malaiische vegetationsbilder und reiseskizzen /

60. El caballo en Andalucía : orígenes e historia, cría y doma /

61. A Case of working smarter, not harder

62. "The case" in the analysis of agricultural extension techniques.

63. Cria casera de gallinas /

64. A catalogue of orchids for 1890, cultivated and for sale by John Saul, nurseryman, seedmsman and florist, Washington City, D. C.

65. A catalogue of orchids, for 1883, cultivated for sale by John Saul, nurseryman, seedmsman and florist, Washington, D. C.

66. Le centenaire du Journal de pharmacie et de chimie, 1809-1909 : histoire du journal et notices biographiques /

67. A characterization of sequential aerial malathion applications in the Santa Clara Valley of California, 1981 / by R.J. Oshima ... [et al.].

68. Le chat des Chartreux /

69. [A checklist of the three hundred (300) species now in stock] : list compiled and seeds collected by David Marx, naturalist.

70. Le CIRAD en 1992.

71. La coltivazione dei funghi, il prataiolo agarico o "agaricus campestris" coltivato, coltivazione, selezione e miglioramento delle tre varieta' della stessa specie.