• • • Introduction of maize cultivation technology for grain production in the middle Urals

• • • Introduction of maize cultivation technology for grain production in the middle Urals The lack of seed production determined insignificant spread of short-season maize varieties and hybrids in ХХ century, requiring 95–100 days for the period of germination–dough stage. In contrast, the cultivation area for long-season genotypes increased…

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