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油葵是油用向日葵,生长期短,适应性广,耐旱耐瘠薄,平均亩产250公斤,并且易管理,出油率高,已成为我县主要油料作物。为进一步提高油葵产量,总结近年来生产中出现的问题与经验,提出以下栽培管理措施:1选地与整地1.1选地应避免重茬,注意轮作倒茬。连作田病害严重,植株矮小,花盘小,易早衰,空秕粒多,可减产5-20%。1.2整地深翻整地,适时耙耱保墒。播种前深翻20-25 cm。根据
Oil sunflower sunflower oil, short growth period, wide adaptability, drought tolerance infertility, the average yield 250 kg, and easy to manage, a high rate of oil has become a major oil crops in our county. In order to further improve the yield of oil sunflower, summing up the problems and experiences in production in recent years, put forward the following cultivation and management measures: 1. Selection and site preparation 1.1 The selection of crop should be avoided, pay attention to crop rotation. Even the cropland disease serious, short plants, face small, easy premature senility, Kong Kong tablets and more, can cut 5-20%. 1.2 The whole earth deep plowing, timely rake 耱 preserving moisture. Deep sowing before sowing 20-25 cm. according to