Method for increasing yield of gleying paddy soil at lake paddy area

Abstract

A method for increasing the yield of gleying paddy soil at a lake paddy area comprises the steps: fertilizing oxygen fertilizer and silicon fertilizer to gleying paddy fields with the soil type being the gleying paddy soil, wherein the fertilization amount of the oxygen fertilizer per acreage is 1.6kg-2.4kg, the fertilization amount of the silicon fertilizer per acreage is 12kg-18kg, growth of paddy rice can be effectively promoted, the paddy yield can be greatly improved by 20.8%-37.4%, the total grain number of each hole is increased by 17.6%-24.9%, the thousand seed weight is increased by 3.7%-4.4%, the total amount of reducing substances of the soil after the paddy rice is harvested is remarkably reduced by 21.3%-46.8%, organic matter in the soil is improved by 4.2%-10.4%, rapid available phosphorus is improved by 2.9%-5.3%, rapidly available potassium is improved by 2.1%-6.2%, and total nitrogen is improved by 2.2%-5.2%. The method has the advantages of being good in effect of improving the yield of the paddy rice, simple in operation, wide in application range, and particularly suitable for being widely popularized and applied in the gleying paddy soil in the mild surface layer at the lake paddy area.

Description

technical field [0001] The invention relates to paddy field management by using a mixture of one or more fertilizers and a soil conditioner without special fertilizer effect, in particular to a method for increasing yield of gleization paddy soil in a lakeside paddy area. Background technique [0002] Secondary gleization of rice fields is one of the important reasons for the decline in yield of some existing rice fields. The soil type in the paddy area along the lake is a gleization paddy field with moderate to light surface layer gleization (Gleying Process of Soil) paddy soil, and there are problems such as low soil temperature, high total amount of reducing toxic substances, and slow rooting of rice during the sowing stage of early rice. , the oxidation-reduction potential (Eh) of certain layers in the soil within lm is below 200mv, which seriously affects the substantial increase in rice yield and the promotion of double-cropping rice cultivation in large areas. Some yie...

AI Technical Summary

Problems solved by technology

One of the methods to improve the yield of gleization paddy soil in the existing lakeside rice fields is to take engineering measures, including excavating drainage ditches, burying underground ditches, hidden pipes, etc., to reduce the water level in the paddy field by removing the accumulated water in the field and lowering the groundwater level. The degree of gleization; the second method is to improve farming measures, including paddy and dry crop rotation, winter plowing and sun-drying, etc., to change the water supply status and soil structure of gleization paddy fields, to increase soil aeration, and to reduce the accumulation of reducing substances, thereby alleviating potential Toxic effect of rice field breeding, the common deficiencies of the above methods are: time-consuming, labor-intensive, high cost, and greatly affected by field conditions, difficult to implement; the third method is to plant gleization-resistant rice seeds and increase Phosphorus and potassium fertilizers can only increase the supply of soil nutrients one-sidedly, and cannot make full use of the nutrients in the paddy field itself, which affects the improvement of the nutrient utilization rate of the paddy field and has a limited effect on increasing the rice yield.