A kind of dryland corn micro-ridge mulching film sowing method in cold and cool area
A corn and film-covering technology, which is applied in the field of crop cultivation, can solve problems such as daily average ground temperature reduction, achieve the effect of improving operating efficiency, facilitating efficient mechanized harvesting, and realizing mechanization
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[0022] The steps of the present invention are:
[0023] (1) Fine soil preparation: deep plowing in autumn, with a depth of 20cm to 23cm, so that the root stubble can be turned over well. Harrowing is carried out during the period of thawing soil in early spring to preserve moisture. Generally, when the soil is thawed to a depth of 3 to 4 cm, and when it is frozen during the day and night, the ground is raked by the top. For plots with insufficient moisture at the end of spring, suppress and increase moisture 2 to 3 days before sowing. Timely shallow plowing and harrowing, so that there is no missing plowing, no standing uprights, no rubbish, finely crushed and leveled, water storage and moisture conservation, so that the soil can reach the state of waiting for sowing in spring.
[0024] Before plowing, use 1.5 kg of land insects or 0.1 kg of 50% phoxim emulsion per mu, mix with fried bran or millet 2 to 3 kg to make bait and evenly sprinkle it on the surface, and deeply plow ...
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