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提高旱地玉米制种产量技术山西省昔阳县种子公司邵双莲旱地玉米制种往往产量偏低，主要是春旱墒情不好，难捉全苗、齐苗、壮苗；伏旱影响扬花授粉结实；秋旱影响灌浆成熟，千粒重上不去。在整个玉米生长过程中，因旱情的影响生长缓慢，若再遇上早霜，成熟不好，不仅直接影...
Improve the yield of dry land corn seed production technology Shanxi Province Xiyang County seed Shaolanshan dryland corn seed production is often low, mainly in the spring drought moisture is not good, hard to catch the whole seedlings, Qi Miao, strong seedlings; Drought affect grouting maturity, 1000 grain weight does not go up. Throughout the growth of corn, due to the slow growth of the impact of drought, if you encounter early frost, bad maturity, not only direct shadow ...