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roy h follett
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Fertilizers and soil amendments
Roy H. Follett · Prentice Hall
557 sayfa · 1981
Crops / Fertilizers / Nutrition / Soil amendments / Fertilizers and manures
Effect of genetic population and soil fertility level on the chemical composition of sugar beet tops
Roy H. Follett · Agricultural Experiment Station, Colorado State University
65 sayfa · 1964
Sugar beet / Composition