Method for cultivating semi-artificial gramineous-legumina hybrid grassland on salinization grassland
A semi-artificial, salinization technology, applied in planting methods, botanical equipment and methods, horticulture, etc., can solve problems such as threats to the survival of leguminous forages, obstacles to soil cultivation, and limited to short-lived
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[0031] Ground work treatment is carried out 1-2 weeks before the rainy season (in mid-June in the Songnen area). First, the above-ground vegetation is cut and removed, and the stubble height is 3-4cm. Then the trenching machine breaks the complete ground, the distance between the trenches is 65cm, the trench depth is 5-6cm, the upper width is 7-8cm, and the lower width is 1-2cm. Sow the polished seeds (to break the hard seeds) into the ditch. The sowing rate depends on the species and the later use method. If it is used as a mowing field, the effective seeding rate of leguminous pastures is: Xing'an Pediatricum 4.5-5kg / ha , black alfalfa 2.5-3kg / ha, alfalfa 3.5-4kg / ha. If it is used as a grazing land, the effective seed sowing rate is 9.5-10kg / ha of Xing'an clover, 4.5-5kg / ha of yellow alfalfa, and 6.5-7kg / ha of alfalfa. Cover with soil 1-2cm, if the seeds are small (diameter<2mm), do not cover with soil. After the rainy season comes in late June, the salinity of the soil de...
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