Detailed Explanation of Key Points for Autumn Kidney Bean Planting and Management Techniques

There are many crop rotation options for planting autumn kidney beans. Besides following leafy vegetables, they can also follow solanaceous fruits or cucurbit vegetables. Autumn kidney beans are also the best intercrop for corn, especially climbing varieties, which can climb up the corn stalks. When intercropping climbing kidney bean varieties with tomatoes, cucumbers, etc., sow seeds beside the trellis poles before the previous crop is pulled up, so the previous crop's trellis materials can be used. Bush varieties can be intercropped with many kinds of vegetables.

Choose early-maturing, aging-resistant, green-pod varieties. For quick-frozen export processing, varieties are required to have round, straight, tender pods, no strings, no parchment layer, and a raw material utilization rate above 90%. For climbing varieties, choose Green Pearl, 78 to 209, etc.; for bush varieties, choose Provider (American Provider), French Nanhu, etc. Generally sow from late July to early August, so flowering and pod setting occur when autumn turns cool. Row spacing 60 cm, plant spacing reduced to 20 cm, or it is preferable to keep one more seedling per hole.

??? Choose sandy loam soil with deep soil layers and good permeability for planting. For autumn cultivation, it is best to sun-bake the soil clods and weed, then plow and prepare the land into beds, and at the same time broadcast basal fertilizer, applying 1000 to 3000 kg of decomposed soil-ash miscellaneous fertilizer per mu. For acidic soil and plots lacking calcium, apply an appropriate amount of lime powder.

Bush varieties take about 40 days from sowing to first harvest, with a harvest period of 15 to 20 days; climbing varieties have a harvest period of about 30 days. Under normal circumstances, tender pods begin to be harvested 10 to 15 days after flowering; products for dehydration and canning use have strict requirements and should be harvested 3 to 5 days earlier than fresh-eating pods.