By: Charles A Black
768 pages, figs, tabs
Describes the theoretical background for practical applications of scientific work on the subject. The book emphasises the use of response curves as the basic biological standard for both evaluation and control, and it discusses soil testing and plant analysis as secondary standards. The principal applications covered include fertiliser requirements, fertiliser evaluation, residual effects, fertilser placement, liming and economics of fertilisation. Environmental aspects of plant nutrients and soil nutrient supplies as they pertain to crop production are also addressed.
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