玉米大垄行间覆膜栽培技术的研究初报

研究比较了垄上覆膜、行间覆膜、大垄直播、小垄直播4种栽培方式。结果表明:大垄行间覆膜比直播能显著提高玉米子粒重,提高产量,提高土壤温度,保持土壤湿度,生育期提前,减少土壤容重,增大土壤孔隙度,提高产量构成因素,使产量提高13.58%。

Preliminary Research Report on Cultivation Technique of Maize with Plastic Film Mulching in the Soil Furrow of Big Ridge

Field experiment of maize was conducted in Heilongjiang province,in which cultivation techniques of plastic film mulching on the soil ridge,plastic film mulching in the soil furrow,directly sowing on the big ridge without plastic film mulching and sowing on the small ridge without plastic film mulching were compared.The results showed that maize grain weight,maize yield,maize yields components,soil temperature and porosity of the cultivation technique of plastic film mulching in the soil furrow of big ridge were markedly increased than that of directly sowing on ridge without plastic film mulching.The soil humidity,maize growth duration and soil bulk density of the cultivation technique of plastic film mulching in the soil furrow of big ridge were retained,shortened and decreased than that of directly sowing on ridge without plastic film mulching,respectively.The cultivation technique of plastic film mulching in the soil furrow of big ridge increased grain yield of maize by 13.58% compared with directly sowing on ridge without plastic film mulching.