Open-field cultivation method for medium-maturing sprawling short vigna unguiculata variety in summer in south China

Abstract

The invention belongs to the technical field of cultivation of vigna unguiculata, and particularly relates to an open-field cultivation method for a medium-maturing sprawling short vigna unguiculata variety in summer in south China. The open-field cultivation method for the medium-maturing sprawling short vigna unguiculata variety in the summer in the south China comprises the following steps: (1)selecting the short vigna unguiculata variety suitable for planting in the summer: selecting Gui vigna unguiculata No.2 as the short vigna unguiculata variety; (2) performing soil disinfection with solarization for two times; (3) selecting an application method of a base fertilizer and topdressing; (4) performing seed treatment; (5) performing reasonable final singling; (6) performing sowing andperforming field planting; (7) performing pruning; and (8) performing water management. The method provided by the invention adopts a combination manner of two-time deep fertilization and foliage top-dressing, primary fertilization is performed before the vigna unguiculata is sown and a fertilizer is applied as the base fertilizer, secondary fertilization is performed in the early flowering periodof the vigna unguiculata, and compared with a local custom fertilization method of vigna unguiculata, the method provided by the invention saves fertilizers, saves labor, has a high yield, excellentquality and high efficiency; a secondary deep application method is deep application in a soil layer, volatilization and loss of the fertilizers are reduced; and in the middle and late stage of flowering and podding of the vigna unguiculata, topdressing of atonik and an appropriate compound fertilizer is combined, so that premature senescence in the late growth stage is prevented, a harvesting period is prolonged by 20 days, and a yield is improved.

Description

technical field [0001] The invention belongs to the technical field of cowpea cultivation, and in particular relates to a method for cultivating a mid-ripening short-growing cowpea variety in the open field in summer in South China. Background technique [0002] Cowpea (Vigna unguiculata L.) has strong adaptability and wide cultivation range, and is one of the main vegetable species in summer and autumn in my country. Summer vine short pea has a long history of cultivation in South China. It adapts to the rainy and high-temperature and high-humidity growth environment in South China in summer. The pods are thick and resistant to storage and transportation. It is popular among producers and consumers. At the same time, the arrangement of cowpea stubble in summer is one of the main methods for the annual stubble arrangement in South China, which ensures the output and economic benefits of the main crop spring stubble, and also significantly improves the land utilization rate....

AI Technical Summary

Problems solved by technology

[0012] The object of the present invention is to provide a kind of planting method of open-field summer sowing of medium-ripening short cowpea varieties, aiming at solving the difficulty of selecting suitable varieties in the summer planting process of the current south China region. Knot nematodes and other harmful organisms are seriously harmful; unreasonable fertilization methods lead to volatilization and loss of fertilizers, premature aging and rapid growth of cowpea in summer, etc.

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