THE EFFECT OF FERTILIZERS AND GROWTH REGULATORS ON YIELD AND QUALITY OF HYBRID ONION, GROWN IN ANNUAL CROPS UNDER DRIP IRRIGATION
2018
V. A. Borisov | A. N. Khovrin | A. R. Bebris | N. A. Fillrose | G. F. Monahos
In the studies of 2014-2016 years on rich medium-loamy alluvial soils of the Moscow region in the cultivation of hybrids of onions Pervenets F1, Bennito F1 and Poisk 012 F1 in drip irrigation conditions in an annual crop, the best yield of Repka 45.1 t/ha, 47.9 t/ha and 59.9 t/ha, respectively. The greatest effect was obtained from the complex application of N90P90K90 (main) in combination with plant fertilization with potassium nitrate and Zircon growth regulator during the period of intensive growth of vegetative mass and the beginning of bulb formation for late Bennito F1 hybrids and Poisk 012 F1, and for the medium-unrided hybrid the Pervenets F1 system was the best N90P90K90+Zircon. This system allowed to obtain a high yield of standard products (up to 93%) with good bio-chemical quality of the onion. New technologies of cultivation of onions in an annual crop with the complex use of drip irrigation, fertilizers and new hybrids of intensive type, allow in the conditions of the Central non-Chernozem zone to obtain the yield of onion-turnip at the level of 50-60 t/ha, with the output of standard products 80-93%. The best biochemical quality indicators of bulbs were obtained with the complex application of fertilizers with the growth regulator Zircon, with the cultivation of hybrids Pervenets F1 and Bennito F1, and hybrid Poisk 012 F1 is not mature enough in the Moscow region. From the conducted research it can be concluded that the studied hybrids of onion Pervenets F1, Bennito F1 and Poisk 012 F1 when grown in annual crops in terms of Non-Chernozem zone of the Russian Federation use better fertilizing than the main fertilizer.
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