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Nitrogen fertilizers, complex npk fertilizers, florins, fertins, vegetables in human diet, nutrition and fertilization of vegetables, organic fertilizers...
Two copies are available

Nitrogen fertilizers, complex npk fertilizers, florins, fertins, vegetables in human diet, nutrition and fertilization of vegetables, organic fertilizers...
Two copies are available
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Fertilization, one of the most important agrotechnical measures, in this century largely depends on the production of organic and mineral fertilizers.
Certain diseases and pests are classified according to the type of fruit tree they attack, but as many of them attack more than one species, in order to avoid repetition, they are usually classified only for the fruit tree they attack the most.
High and quality fruit production rests primarily on the results of breeding - new genetic potential (new varieties and rootstocks) of fruit trees.
This manual is intended for inspectors who perform inspections with the aim of correct application of regulations and protection of the economic interests of labor organizations and consumers.