【摘要】 通过对深松耕法、保水剂、地膜覆盖及增施有机肥4种耕作方法多年定位观测,结果表明:4种耕作方法明显优于传统耕作方法,土壤含水率高4%~10%,产量高3%~30%。是黑龙江省干旱地区可以选择的保墒蓄水增产耕作栽培形式。更多还原

【Abstract】 According to the location observation data of deep ploughing tillage method,plastic film mulch,spreading keep moisture reductant and organic fertilizer applied,it were showed that the four tillage methods are better than tradition tillage methods.The soil moisture increases 4～10 percent.Yield of crop increases 3～30 percent.The four methods should be promoted in Heilongjiang Province.更多还原