Effect of urban waste water and its combinations with zeolite containing agro ore on fertility of meadow black- soil and productivity of grain-fallow-tilled crop rotations
| Autor: | E.E. Kuzina, E.N. Kuzin, A.N. Arefiev, Penza sAU |
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| Rok vydání: | 2019 |
| Předmět: | |
| Zdroj: | Vestnik of Ulyanovsk state agricultural academy. :34-40 |
| ISSN: | 1816-4501 |
| DOI: | 10.18286/1816-4501-2019-3-34-40 |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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