Corn whole-straw staggered horizontal straw returning planting method in manner of spacing every two ridges by one empty ridge

Abstract

The invention discloses a corn whole-straw staggered horizontal straw returning planting method in a manner of spacing every two ridges by one empty ridge, and belongs to the technical field of corn planting. The method comprises the following steps that corncobs are harvested, and meanwhile the whole straw is directly covered on the earth surface along ridges until spring sowing without being crushed; straw row collection is carried out 3-5 days before corn sowing, alternative arrangement of to-be-sown planting strips and straw full-coverage strips is formed, the to-be-sown planting strips are sown with seeds in two rows, and the straw full-coverage strips are empty rows and are not sown with the seeds; the position with the distance L1 being 15 cm away from the straw covering edge is selected for starting sowing, two rows of corn are planted, one row of corn is vacated, the row spacing is L2, large and small rows of L2 and 2L2 are formed, no corn whole straw exists in the small row spacing, and the whole straw coverage rate in the large row spacing is 70% or above; the planting row spacing is 2/3 of the traditional row spacing; and in the next year, the planting strips and the coverage strips are exchanged, and staggered straw returning and partial soil fallow crop rotation are achieved. The agricultural machinery operation feasibility is guaranteed while the agricultural technology regulations are met, and deep fusion of the agricultural machinery and the agricultural technology is achieved.

Description

technical field [0001] The invention belongs to the technical field of corn planting, and in particular relates to a planting method of whole corn stalks dislocated, horizontal and stalks returned to the field in a two-bit space. Background technique [0002] Straw mulching and returning to the field is the core of the conservation tillage technology in the black soil of Northeast China. The whole process of mechanized and efficient sowing under mulching conditions and the uniformity of sowing and seedling emergence have become the key to the large-scale promotion of conservation tillage technology. Most of the straw mulching and returning to the field during production is carried out simultaneously with the mechanical harvesting of corn. The straw is crushed and covered on the ground at the same time as the machine is harvested. If there are no special agronomic requirements, the natural state will be maintained after autumn harvest and before sowing, and no-tillage or less-...

AI Technical Summary

Problems solved by technology

[0003] After harvesting corn, straw mulching and returning to the field to prevent erosion and moisture conservation, and straw returning to the row for no-tillage and direct seeding during sowing are common methods of conservation tillage in Northeast China. Finally, under the action of wind force, part of the straw will cover the seedling belt, which will affect the ground temperature and cause uneven emergence. In addition, the straw pressing seedlings will also affect the growth of corn seedlings.

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