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蚕豆是粮肥兼收作物。在一年三熟制中占有一定的地位,它能提高地力,对后作生长有利,是水稻田轮种的良好作物之一。蚕豆产量很高,一般亩产200斤左右,高的可达400斤以上,本试验亩产为497.2斤。目前,在生产实践中存在的问题是落花落荚严重。据调查,“云南蚕豆”每个分枝平均有花54.1朵,而能成荚的只有14.1荚,占26％。“兴宁蚕豆”每个分枝有花141.3朵,能成荚的有11.7荚,占28.3％,大部分花荚由于内在的生理原因(营养生长和生殖生长并进时间较
Broad beans are staple crops and crops. It occupies a certain position in the three-year system of a year, which can improve the earth’s force and is beneficial to the growth of the after-work. It is one of the good crops for rotation in paddy fields. Broad beans yield is high, the general mu produce about 200 pounds, high up to 400 pounds or more, the test yield 497.2 kg. At present, the problem in production practice is the serious drop of pods. According to the survey, “Yunnan broad beans” each flower an average of 54.1 flowers, but can only pod 14.1 pods, accounting for 26%. “Xingning broad beans” each branch has flowers 141.3, can pod 11.7 pods, accounting for 28.3%, most of the flower pods due to intrinsic physiological reasons (vegetative and reproductive growth and into time