BOOKS - VEGETABLE GARDEN AND FARMING - Минеральное питание раст...
US $8.66
753387
753387
Минеральное питание растений. Справочное пособие для садоводов и огородников
Author: Петров Б.А., Селиверстов Н.Ф.
Year: 1998
Number of pages: 86 сдвоенные
Format: PDF
File size: 10.8 MB
Language: RU
Year: 1998
Number of pages: 86 сдвоенные
Format: PDF
File size: 10.8 MB
Language: RU
The handbook provides a brief description of mineral fertilizers produced and used in Russia, shows the impact of the main nutrients on plants, and gives external signs of their lack or excess. The role of heavy metals and other toxic substances in soil pollution is noted, fundamental methods of combating pollution of agricultural products are proposed. Data are provided on the possibility of mixing fertilizers and determining the doses of nutrients.