Application effect of full film double furrow seeding technology of full film double furrow seeding

The full-film double-furrow sowing technology integrates mulching and steam suppression, furrow rain collection and furrow planting technology, which realizes the effects of moisture preservation, in-situ infiltration and rainwater enrichment. Its characteristics: First, it significantly reduces the evaporation of soil moisture.

In particular, autumn mulching and toping mulching avoided the ineffective evaporation of soil moisture in the fallow period of autumn, winter and early spring, and reduced wind erosion and water erosion, and the effect of moisture retention and moisture increase was significant. The second is the significant rainwater collection effect. The large and small ridge surfaces in the field are good catchment surfaces, which infiltrate the small rainfall into the roots of maize, which greatly improves the utilization rate of natural precipitation. the third is to increase the accumulated temperature, expand the planting area of maize and mid-late maturing varieties; Fourth, it can effectively inhibit weeds in the field and reduce the salinity of the soil.

The full-film double-ridge and furrow sowing technology is a new type of drought-resistant tillage and defeat combined cropping technology after years of research and promotion of dry oak in Gansu Agricultural Technology Department, which integrates mulching and steaming, furrow rain collection and furrow planting technology, and realizes the effect of moisture conservation, in-situ infiltration, rainwater and rich Zen track superposition, water and fertilizer retention, increasing surface temperature, and improving fertilizer and water utilization efficiency.

The double-row mulching cultivation technology of maize ridge is suitable for most of the high-yield maize counties (cities) in Siping, Changchun, Liaoyuan, Songyuan and Heilongjiang in Jilin.

The double-row mulching cultivation technology of corn ridge can increase the yield by about 15% on average.

The following agricultural materials will introduce you to the corn ridge double-row mulching planting technology.

Corn ridge double-row mulching planting technology.

1. Lamination. The mulching can be made of ultra-thin mulch film with a width of 90-100 cm and a thickness of millimeters, 60 kg per hectare, and manual or mechanical mulching can be used. Rock Notice.

When mulching, the mulch film is spread flat and tightened, attached to the ridge surface, compacted with soil on both sides, and the width of the light after mulching is about 60-70 cm.

When mulching, a strip of soil is pressed horizontally every centimeter on the ridge surface to prevent the wind from peeling off the mulch.

2. Field management jujube bili.

1) Cutting holes and introducing seedlings.

When the corn seedlings emerge and the true leaves are filled, it is necessary to cut the holes in time to introduce the seedlings, and seal the seedling holes with wet soil after the seedlings are introduced.

2) Control of corn borer.

According to local conditions, biological, physical and chemical control technologies such as red-eyed bees, sexual attractants, Beauveria bassiana, high-pressure mercury lamps, and chemical pesticide granules should be selected to comprehensively prevent corn borer.

3) Peel off the film at the appropriate time.

Peeling can be carried out at the end of June and beginning of July, and the peeling must be clean to reduce white pollution.

4) Top dressing. In the big flare stage, 300-400 kg of urea per hectare is used, and the method of strip application is used for deep topdressing on the ridge side, and the topdressing depth reaches 8-10 cm.

5) Promote ripening. Technical measures such as spraying plant growth regulators and removing non-functional leaves at the bottom of the plant and standing on the stalk can be used to promote early maturity by spraying plant growth regulators and grasses at the top of the field, Shouming to remove non-functional leaves at the bottom of the plant, and standing on the stalks to dry the bracts.

The cultivation technology of double-row mulching of maize ridges should be applied according to local conditions, and attention should be paid to solving the residual film pollution.

Comparison of the number of plants per mu (calculated according to the plant spacing of 22 cm): about 5512 plants per mu in double rows of large ridges, about 4664 plants per mu in small ridges, and 848 plants per mu in double rows of large ridges than in small ridges.

Area comparison (calculated by mu): large ridge double-row planting mu, which is equivalent to small ridge planting mu, that is, large ridge planting mu is equivalent to 1 mu more than small ridge.