Ridge cultivation method for increasing yield of peanuts on Shajiang black soil mulching film

Abstract

Provided is a ridge cultivation method for increasing the yield of peanuts on Shajiang black soil mulching film. The method comprises the following steps of (1) conducting deep ploughing on soil wherethe peanuts are about to be planted in winter, and freezing and air-drying the upturned soil for at least three months; (2) around 20 days before sowing in the spring of the next year, conducting operation of fertilizing, rotary tillage and soil preparation, ridging, pressing and top flattening, wherein the ridging height is 15-25 cm; (3) carrying out the operation of ridging sowing, pesticide spraying, film covering, pressing and soil covering over the film on the ridge surfaces formed by a small combined peanut seeder in step (2). According to the provided method, ridging and fertilizing are brought forward to the link of tillage and soil preparation, and the problem that the ridging power during operation of small combined peanut seeders in existing methods is insufficient is mainly solved. According to the method, ridging is carried out independently before sowing; due to the fact that the power of a tractor is sufficient and the pressing force of a rotary seeder is high, the ridge height is increased, the ridge shape is neat, the ridge surfaces are flattened after the operation of a pressing roller, preservation of soil moisture is facilitated, seeds are tightly covered withthe soil after sowing, and the ridge structure can still be maintained after the ridges are scoured by rainwater in the later stage.

Description

technical field [0001] The invention relates to a production method of crops, in particular to a ridge farming method for improving the yield of sand ginger black earth film peanuts. Background technique [0002] Peanut is a crop that blooms on the ground and bears fruit underground. Production practices have shown that although peanuts have a wide range of adaptability to soils, deep, live, loose soil structures and The soil layer structure characteristics of the upper pine and the lower solid, namely: deepen the depth of the whole soil layer through deep plowing and plowing; make the tillage layer active through rotary tillage; loosen the result layer through ridging operations, and a good soil structure is very beneficial to the growth of peanuts. Shajiang black soil is a part of the main cultivated soil in my country, and it is concentrated in the vast area in the south of the Huanghuaihai Plain. Shajiang black soil is heavy in texture, poor in structure, weak in water ...

AI Technical Summary

Problems solved by technology

The weak point that above-mentioned this method exists is: the supporting small four-wheel tractor power of peanut combined planter is insufficient, in the process of completing ridge building, fertilization, sowing, spraying medicine, film covering, covering soil on the film at one time, The height of the ridge is not high enough, the shape of the ridge and the quality of the surface of the ridge are not ideal; because the ridge is low during sowing, the shape of the ridge is not neat, the surface of the ridge is uneven, and the soil is not tightly covered after sowing. During the later period of peanut growth, it will be continuously eroded by rainwater , the height of the ridge will gradually decrease (drop 5 cm), and generally the topsoil layer of 0-10 cm is the part where the root neck of the peanut grows and the fruit needles enter the soil, and the layer of 10-30 cm is the tap root layer of the peanut, which will lead to some Peanut pods are stuck in the soil layer below the ridge (i.e. below the ground level in the ridge), and some peanut needles lack loose soil space, resulting in poor results. Therefore, the ridge is low when sowing, which affects the peanut production. The second is to affect the later mechanical harvesting of peanuts