The key to the yield of kidney bean lies in how to improve the pod setting rate of kidney bean.

"dried flowers and wet pods". The water management of kidney beans should look at the sky, the earth and the crops, and follow the watering principle of "dry flowers and wet pods" and promoting watering after control. After emergence to flowering, water control is the main. If the soil moisture is good, only water is watered once before flowering for flowering, and then the first water is watered until the early pod stage. After setting pods, the plant grows vigorously, and the stems and leaves blossom and bear fruit, which requires distribution and nutrients. At this time, the main purpose is to promote and increase the amount of water to be irrigated, so that the soil moisture can be stabilized at 60% Mel 70% of the maximum field capacity. Entering the high temperature season, light watering, diligent watering, morning and evening watering and other methods are adopted.

adequate manuring. On the basis of sufficient basal fertilizer and early light topdressing, the four seasons bean flower and pod stage also need to topdressing 2 Mel 3 times to grow pods to protect leaves. Appropriate amount of nitrogen fertilizer, phosphorus and potassium fertilizer should be combined to avoid excessive nitrogen fertilizer, resulting in overgrowth of plants, leading to flowers and pods and affecting the formation of root nodules. Fertilization, mainly rotten human feces and urine, stable fertilizer, and apply appropriate amount of calcium superphosphate, potassium chloride, plant ash and so on.

Ventilated and transparent. In order to prevent kidney beans from shading each other, green beans in the greenhouse should use nylon rope to hang vines, and open field cultivation should use north-south "human" flower racks. The cultivation density of four seasons bean shed should be controlled within 2000 holes, which is too high, shaded from each other and not ventilated, which will cause only long seedlings and no pods. Timely removal of withered and old yellow leaves and branches and leaves of diseases and pests at the bottom of the plant can improve ventilation and light transmission, reduce nutrient consumption, and help to protect flowers and pods.

Harvest in time. Timely harvest can not only ensure the fresh and tender quality of kidney beans, but also reduce the burden, promote the opening and podding of other flowers on the plant, prolong the harvest time and improve the pod setting rate. Autumn four-season beans, the early temperature is high, about 10 days after flowering can be harvested, the late temperature is low, 13 days after flowering, can be harvested.

Pharmaceutical treatment. The inflorescences were sprayed with 5--25mmp 's naphthylacetic acid or β-naphthoxyacetic acid, or 2ppm's phospho-chlorophenol acetic acid, or 5--25ppm "920" solution at flowering stage to inhibit abscission formation, prevent flower falling and improve pod setting.