Effect of conservation tillages on the yield of corn in dry land
2006
Zhi Jianqi, Jia Zhisen, Zheng Lianshou
Chinese. 通过16种不同保护性耕作方式对旱地玉米产量影响的试验,结果表明:秋深耕+秋施肥+春免耕(A1)和秋浅耕+秋施肥+春免耕(A2)两种耕作方法,明显优于其他耕作方法,每公顷玉米增产为1009.5～1182kg;玉米整秆覆盖(B2)、玉米碎秆覆盖(B3)和地膜覆盖(B1)3种覆盖之间无显著差异,但都比不覆盖(B4)增产显著,每公顷玉米增产为1031.7～1281.7kg。16个处理中,A1B3(秋深耕+秋施肥+春免耕)+玉米碎秆覆盖处理的玉米产量最高达6508.5kg/hm2,是干旱地区可选择的保墒蓄水增产耕作栽培形式。
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