A cultivation method for promoting the stable production of over-ton sweet potato stems in the plains of northern potato regions

Abstract

The invention provides a cultivation method for promoting stable yield of dried sweet potatoes in northern sweet potato area plains to exceed one ton per mu. The cultivation method comprises the steps of carefully selecting the variety, selecting land to form a ridge, performing formulated fertilization, selecting strong seedlings, performing film mulching and early planting, appropriately increasing the density, performing drip irrigation under a mulch, strictly preventing diseases and pests, chemically controlling the excessive vegetative growth and performing mechanical harvesting. According to the cultivation method, through early planting and close planting and by the matching of other advanced planting technologies, the growth time of the sweet potatoes is prolonged, the content of starch in the sweet potatoes and the sweet potato dry matter accumulation amount in unit area land are remarkably improved, and the per mu yield of the dried sweet potatoes can exceed one ton. The comprehensive degree of the technology is improved, the fusion of the improved variety and the good method and the combination of an agricultural machine and the agricultural technology are performed, the matching of engineering measures and cultivation measures is achieved, the level of the cultivation technology is fully improved, the working efficiency is improved, and the production cost is reduced. The standard degree of the technology is improved, the technology details and parameters are further clearer through the quantitative data indexes, and the basis is laid for the standard forming and popularization of the planting technology.

Description

technical field

[0001] The invention belongs to the technical field of agricultural production, and in particular relates to a cultivation method for promoting the stable production of over-ton sweet potato stems in the plains of the northern potato region. Background technique

[0002] Sweet potato (Ipomoea batatas Lam.) is widely distributed in 111 countries and regions in the world. It is not only the fifth largest food energy supply crop in the world, but also the fourth largest food crop in my country. It plays an important role in maintaining food security, alleviating energy crisis and developing functional foods etc. are becoming increasingly important. my country is the largest sweet potato planting country and producer in the world. In 2013, my country's sweet potato planting area and total production accounted for 42.8% and 71.4% of the world's total, respectively.

[0003] The northern potato area is mainly the sweet potato planting area north of the Huaihe River...

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