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玉米丰产技术关键去冬，山东省玉米高产研讨会总结大面积丰产经验，提出的玉米高产高效技术关键是：１．选用紧凑型玉米高产优质良种，当前比较明确的首推鲁玉１０号，其次是掖单４号和掖单１３号。２．合理密植。鲁玉１０号和掖单４号的合理密度为５０００株／亩。３．间...
The key to the high yield of corn winter, the high yield of corn in Shandong Province seminar summed up the experience of large-scale high yield, the key to high yield and high efficiency of corn technology is: Selection of compact corn high yield and high quality seed, the current more specific devaluation Lu Yu 10, followed by Yedan No. 4 and Yedang No. 13. 2. Reasonable and close planting. Luyu No. 10 and Yedan 4, a reasonable density of 5000 plants / mu. 3. between...