For citations:
Knjazkov A.N., Nadezhkin S.M., Agafonov A.F. EFFICIENCY OF MINERAL FERTILIZER IN ONION SEED PRODUCTION. Vegetable crops of Russia. 2013;(4):35-38. (In Russ.) https://doi.org/10.18619/2072-9146-2013-4-35-38
Knjazkov A.N., Nadezhkin S.M., Agafonov A.F. EFFICIENCY OF MINERAL FERTILIZER IN ONION SEED PRODUCTION. Vegetable crops of Russia. 2013;(4):35-38. (In Russ.) https://doi.org/10.18619/2072-9146-2013-4-35-38