Crops and Methods for Soil Improvement
Chapter 20
MIXTURES FOR CROPS 209-219 Composition of plant not a guide 209 The multiplication of formulas 209 A few combinations are safest 210 Amount of application 211 Similarity of requirements 213 Maintaining fertility 215 Fertilizer for grass 216 All the nitrogen from clover 218 Method of applying fertilizers 218 An excess of nitrogen 219