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ION EXCHANGER FERTILIZERS AND METHOD FOR THE EVEN AND LONG-TERM SUPPLY OF PLANTS WITH NUTRIENTS
ION EXCHANGER FERTILIZERS AND METHOD FOR THE EVEN AND LONG-TERM SUPPLY OF PLANTS WITH NUTRIENTS
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机译：营养植物的长期和长期供应的离子交换剂和方法
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摘要
A process for supplying plants with nutrients uniformly and over a long period of time by the addition of nutrient-charged synthetic resin ion exchangers and mineral fertilizers to the culture medium, according to which the nutrient-charged synthetic resin ion exchangers are employed together with those mineral fertilizers with particle size 500 mu m which have been coated with massive polyurethanes having a particular water absorbing capacity which is adapted in a particular manner to the water solubility of the mineral fertilizer; furthermore, fertilizers containing nutrient-charged synthetic resin ion exchangers, and the mineral fertilizers coated with the massive polyurethanes having a particular water absorbing capacity.
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