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CHAPTER J FIELD AND LABORATORY TRIALS AND RESULTS l
PLANTS ABSORB ORGANIC SUBSTANCES FROM SOIL
THE BIOLOGICAL BALANCE
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absorbed absorption acre aeration agricultural alfalfa alkaline amino acids ammonia amount applied available phosphate available potash average Azotobacter B. D. Compost Starter B.D. Compost bacteria bacteria count become biological balance building calcium carbon dioxide chemical clover compounds concept contain corn crop rotation cultivation deficiency diseases downward drought dynamic especially excess fact factors farm farmer feed fermentation fertilizer fluctuations grain green manuring grow growth higher organic humus humus soils hydroponic important improve increase instance lbs/acre legumes lime low organic matter lysine magnesium manganese microlife microorganisms moisture nfg nfg nitrate nitrogen nitrogen fixation nutrient solution nutrition observed organic matter levels pasture Percentage of Fields Pfeiffer phosphate phosphate and potash plant roots plowing poor drainage potash potassium pounds problem production protein result rhizosphere salts seed sprays stable stimulate substances sugar toxic trace minerals trend tryptophan Vitamin water soluble weeds wheat yield