Influence of irrigation and differentiated fertilization on utilization and productiveness of mineral fertilizers
1986
Buniak, W. (Akademia Rolnicza, Wroclaw (Poland). Inst. Rolniczych Podstaw Melioracji)
In result of irrigation the content of nitrogen in the plants analysed (except papilionaceous) decreased while that of phosphorus slightly increased. Increasing nitrogen-phosphorus-potassium doses brought about increased uptake and utilization of the macrocomponents. Irrigation irrespective of fertilization level increased the uptake of phosphorus by 51% and that of potassium - by 42% in relation to non-irrigated treatments. In all the plants the productiveness of mineral fertilization decreased along with increasing doses of fertilizers while irrigation brought about its increase from 0 to 40% according to a plant and fertilization level
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