Fertilization, one of the most important agrotechnical measures, in this century largely depends on the production of organic and mineral fertilizers.
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Nitrogen fertilizers, complex npk fertilizers, florins, fertins, vegetables in human diet, nutrition and fertilization of vegetables, organic fertilizers...
Pis species and varieties, grainy fruit, stone fruit, southern fruit
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.