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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.
The professional work analyzes the physiological needs of wheat and corn for nutrients, the optimal doses and deadlines for the application of nitrogen, phosphorus and potassium, and the importance of soil analysis for achieving high yields.