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近年来紧凑型玉米发展很快,它以其株型紧凑,适合密植,叶面积系数大,光合效率高,丰产性能好等优点越来越受到广大农民的欢迎。种植面积不断扩大,需种量不断增加。紧凑型玉米制种同平展型玉米制种相比有以下特点:
In recent years, the rapid development of compact corn has become more and more popular with peasants for its advantages of compact plant type, close planting density, large leaf area coefficient, high photosynthetic efficiency and good yield. Growing acreage, increasing demand. Compared with the flat type corn seed, the compact corn seed has the following characteristics: