النوع: Soils
الأنواع المسماة: plants

موجود 114 كتب


Bulletin (Connecticut Agricultural Experiment Station) ; 792

بواسطة Barker, Allen V., 1937- . النوع n-use-- / Plants / Effect of nitrogen on / Northeastern States / Soils و 2 اكثر . الأسماء: soil / data / plants / roots / bacteria و 391 اكثر
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Soils and soil cultivation a non-technical manual on the management of soil for the production and maintenance of fertility

بواسطة Gardner, Frank D. (Frank Duane), 1864-1963 / Blasingame, Ralph Upshaw, 1886- [from old catalog] . النوع Soils / Tillage. [from old catalog] . الأسماء: soil / bacteria / plants / wheat / organic matter و 1403 اكثر
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Soils and soil cultivation a non-technical manual on the management of soil for the production and maintenance of fertility

بواسطة Gardner, Frank D. (Frank Duane), 1864-1963 / Blasingame, Ralph Upshaw, 1886- [from old catalog] . النوع Soils / Tillage. [from old catalog] . الأسماء: soil / bacteria / plants / wheat / organic matter و 1403 اكثر
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The farmer of to-morrow

بواسطة Anderson, Frederick Irving. . النوع Agriculture / United States / Soils . الأسماء: soil / plants / wheat / bacteria / area و 1102 اكثر
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University of California publications in agricultural sciences, v. 1, no. 2 [from old catalog]

بواسطة Lipman, Charles Bernard, 1883- [from old catalog] / Sharp, Leslie Theodore, 1888- [from old catalog] . النوع Soils / Analysis / Nitrates. [from old catalog] / Phenol sulphonic acid. [from old catalog] . الأسماء: california / na / soil / organic matter / data و 149 اكثر
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Circular no. 15

بواسطة Gardner, Frank D. (Frank Duane), 1864-1963 . النوع Soils / Maryland . الأسماء: soil / plants / wheat / organic matter / type و 97 اكثر
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Cambridge manuals of science and literature

بواسطة Russell, Edward J. (Edward John), Sir, 1872-1965 . النوع Soils . الأسماء: soil / bacteria / wheat / plants / grass و 803 اكثر
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A study of the agricultural soils of the Cape colony

بواسطة Juritz, Charles F. . النوع Soils / Cape of Good Hope Colony . الأسماء: soil / noumea 1 / area / phos / organic matter و 1580 اكثر
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Soils and fertilizers

بواسطة Lyon, Thomas Lyttleton, 1869- [from old catalog] . النوع Soils / Fertilizers . الأسماء: soil / plants / bacteria / organic matter / roots و 2031 اكثر
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