Field management of autumn green knife bean is the key.

The main results are as follows: 1. Before planting, the soil is deeply ploughed and raked fine, with sufficient base fertilizer, mainly mature organic fertilizer, and balanced application of nitrogen, calcium and potassium fertilizer. Reasonable close planting, spraying new high-fat film to preserve soil moisture, prevent soil layer from hardening, and improve seedling emergence rate.

2. suitable time seedlings, pulling out diseased seedlings, weak seedlings, etc., and replanting strong seedlings. When the green knife bean grows 1-2 true leaves, the soil can be cultivated in order to promote the growth and development of the root system. Weeding in time to control the occurrence of diseases and insect pests.

3. Rain Water is less planted in autumn, so it is appropriate to water the soil in time to keep the soil moist. Timely topdressing, it is better to apply thin fertilizer frequently to ensure an adequate supply of water and fertilizer and promote the growth of green knife beans. Spraying vegetable and fruit Zhuangtieling can enhance the quality of pollen fertilization, high cyclic fruit setting rate and rapid fruit development.