About effectiveness of ecologicalized technologies at the maize cultivation in nature-conservative zone of Caucasian Mineral Water

The author has estimated the growth, the development and the productivity of maize hybrids of different ripeness groups of domestic breeding in field experiments at the cultivation on the intensive, extensive and ecologicalized technology in conditions of nature-conservative zones of Caucasian Mineral Water on the basis of All-Russian Scientific Research Institute of Maize. The productivity of middle late hybrid of the Eric at the cultivation on ecologicalized technology was 61.7 centner per hectare that correspond to productivity of the Mariya and Corn 280 hybrids obtained with usage of intensive technology.