EFFICIENCY AND BALANCE OF PHOSPHORUS FOR TWO CROP ROTATIONS IN MAKING THE ANNUAL AND SPARE APPLICATION OF SUPERPHOSPHATE AND PHOSPHORITE MEAL IN COMBINATION WITH MANURE AND NITROGEN-POTASSIUM FERTILIZERS
Autor: | V.I. Mazalov, V.G. Nebytov, V.V. Kolomeichenko |
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Rok vydání: | 2017 |
Předmět: | |
Zdroj: | Vestnik OrelGAU. 1:13-18 |
ISSN: | 2223-4802 1990-3618 |
DOI: | 10.15217/issn1990-3618.2017.1.13 |
Databáze: | OpenAIRE |
Externí odkaz: |