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Libros Libros 1 - 6 de 6 sobre It appears, further, that practically all soils contain sufficient plant food for...
" It appears, further, that practically all soils contain sufficient plant food for good crop yield, that this supply will be indefinitely maintained, and that the actual yield of plants adapted to the soil depends mainly, under favorable climatic conditions,... "
The Book of Wheat: An Economic History and Practical Manual of the Wheat ... - Página 130
por Peter Tracy Dondlinger - 1908 - 369 páginas
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Year Book and Proceedings of the Annual Convention

American Seed Trade Association - 1902
...affirms : "That practically all soils contain sufficient plant food for good crop yields, that the supply will be indefinitely maintained and that this...mainly, under favorable climatic conditions, upon cultural methods and suitable crop rotations." It is safe to say that no statement in recent years,...
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Experiment Station Record, Volumen15

1904
...practically all soils contain sufficient plant food for good crop yield, that this supply will be definitely maintained, and that this actual yield of plants adapted to the soil \ Part» унт million of oven-dried soil. Number of analyse». Phosphoric acid (PO,). Nitric acid...
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Proceedings of the ... Annual Convention of the Association ..., Volúmenes17-18

Association of American Agricultural Colleges and Experiment Stations - 1904
...sufficient plant food for good crop yields, that this supply will be indefinitely maintained, ami that the actual yield of plants adapted to the soil depends...the cultural methods and suitable crop rotation." It is further asserted 6 that this is " a conclusion strictly in accord with the experience of good...
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Annual Report of the Secretary of the Massachusetts State Board ..., Volumen52

1905
...from the soil." " It appears, further, that practically all soils contain sufficient plant food for good crop yield, that this supply will be indefinitely maintained, and that the actual yield of plants adapted to the soil depends mainly, under favorable climatic conditions,...
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Public documents of Massachusetts, Volumen9

Massachusetts - 1905
...from the soil." " It appears, further, that practically all soils contain sufficient plant food for good crop yield, that this supply will be indefinitely maintained, and that the actual yield of plants adapted to the soil depends mainly, under favorable climatic conditions,...
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Proceedings of the ... Annual Convention of the Association ..., Volúmenes14-19

Association of American Agricultural Colleges and Experiment Stations. Convention - 1901
...of crops." Page 64. "It appears further that practically all soils contain sufficient plant food for good crop yield; that this supply will be indefinitely maintained, and that the actual yield of plants adapted to the soils depends mainly, under favorable climatic conditions,...
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