Method for rapidly improving soil fertility of new consolidated cultivated land

Abstract

The invention discloses a method for rapidly improving the soil fertility of new consolidated cultivated land. The method comprises the following steps: performing deep ploughing on the new consolidated cultivated land in mid-to-end of September; ditching the cultivated land according to the Chinese milk vetch green manure planting technology; applying 30-50kg / mu of calcium-magnesia phosphate fertilizer and 3-6kg / mu of potassium chloride to the cultivated land to serve as base fertilizer after ditching; then, levelling the cultivated land; performing mixture sowing by matching Chinese milk vetch seeds and one or two of other seeds of green manure crops; sowing the seeds of green manure crops by sections and times when the mixture sowing is performed; performing the routine management of green manure planting after sowing; turning up and rolling green manure in mid-to-end of April the next year; then, keeping the soil wet and retting for 8-10 days, and then, levelling the soil according to the planting requirements of next-stubble crops.

Description

technical field [0001] The invention relates to a method for rapid soil fertilization of newly rearranged cultivated land. Background technique [0002] Soil is the material basis for human survival, the most basic means of production for agricultural activities and an indispensable and non-renewable natural resource for human beings. With the continuous increase of the population, the per capita arable land area in my country has dropped from 1.59 mu per capita in 1996 to 1.38 mu in 2006 (the results of the 2006 National Land Use Change Survey), a decline of 13.3%, which is less than the world average per capita level. 40%. Hunan Province is a large agricultural province with a shortage of cultivated land resources. The per capita cultivated land area in the province is only 0.75 mu, which is already lower than the warning line of 0.78 mu per capita established by the Food and Agriculture Organization of the United Nations. The development of the development zone, roads, a...

AI Technical Summary

Problems solved by technology

[0006] The present invention aims at the common problems of shallowing of cultivated land, deteriorating soil physical and chemical properties, and lack of nutrients such as organic matter and available nitrogen, phosphorus and potassium in newly arranged cultivated land at present, and provides a kind of green manure planting to achieve the purpose of quickly fertilizing newly arranged cultivated land, and at the same time exert Soil rapid fertilization method for plowing the soil effect of newly rearranged cultivated land