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今年,我省沈阳市各县(区)以及西部地区,大面积种植的早熟油用向日葵,经过广大贫下中农的精心管理,目前一般长势都较良好。为了获得全面丰收,现对后期管理问题提出以下几点意见: 1.凡4～5月份春种的油用向日葵,7月底～8月上旬一般开花期已过,但此时正值雨季,在田间排水不良的情况下,应注意及时进行排水。否则,气温高、湿度大,容易引起菌核病的发生
This year, all the counties (districts) and counties in the western region of Shenyang in our province, with a large area of sunflower cultivated with precocious oil, have enjoyed a good general growth momentum through the careful management of the vast number of poor and middle peasants. In order to achieve full harvest, the following are some comments on the latter part of the management issues: 1. All spring oil from April to May sunflower, from the end of July to early August generally flowering period has passed, but at this time coincided with the rainy season, at In the case of poor drainage in the field, attention should be paid to timely drainage. Otherwise, the high temperature, humidity, easily lead to sclerotinia