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1．分校到初花期喷施多效哩。大豆分枝到初花期是营养生长的高峰期，叶面积逐渐达高峰。若遇多阴雨天气，大豆极易疯长，不利于增花转入生殖生长。因而，此时大豆每667平八米喷250毫克。升的多效咄溶液20～30千克，可使植株矮化，茎杆变粗，叶辆缩短，绿叶功能期延长，有利通风
1. Campus early flowering spray more effective miles. Soybean branches to early flowering is the peak of vegetative growth, leaf area gradually reached its peak. In case of rainy weather, soybeans extremely easy to crazy, is not conducive to the flowering into reproductive growth. Thus, at this time soybean per 667 flat eight meters spray 250 mg. L multi-effect Duo solution 20 to 30 kg, can plant dwarfing, thick stems, leaves shortened, green leaf function is extended, favorable ventilation