A Bibliography for Small and Organic Farmers, 1920-78, Issues 8-11

Front Cover
U.S. Department of Agriculture, Science and Education Administration, 1981 - Agriculture - 237 pages
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Contents

Conservation tillage
15
Crop residues
23
Crop rotation
32
Drip irrigation
39
Green manure
45
Legumes
56
Limestone
64
Micronutrient s
70
Nutrit ion
84
Its value rate of decomposition
97
Rock phosphate
106
Sewage sludge and wastewater effluents
114
Soil conditioners activators inoculants and
127
Soil microorganisms
134
Author index
141

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