
Urea u gnojidbi poljoprivrednih kultura
Two copies are available

Two copies are available
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Nitrogen fertilizers, complex npk fertilizers, florins, fertins, vegetables in human diet, nutrition and fertilization of vegetables, organic fertilizers...
Fertilization, one of the most important agrotechnical measures, in this century largely depends on the production of organic and mineral fertilizers.
Pis species and varieties, grainy fruit, stone fruit, southern fruit
This edition includes extensive, well-distributed material so that the reader, reading the book, gets answers to many questions and instructions for work in raising and maintaining an orchard.
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.