玉米茬原垄卡种大豆对其生长及产量的影响

为了明确玉米茬原垄卡种大豆模式的增产情况,采用大区对比研究方法,在黑龙江省八五三农场进行玉米茬原垄卡种大豆与常规大豆耕作模式比较试验。结果表明:在大豆苗期及始花期,原垄卡种模式的大豆株高、干物质和叶面积低于传统耕作种植模式,而在结荚期至成熟期高于常规大豆耕作模式。原垄卡种模式不同土层的土壤含水量均高于常规大豆耕作模式,而不同土层土壤容重均低于常规大豆耕作模式;原垄卡种较常规大豆耕作模式产量增加10%。

Effect of Original Ridge Tillage on the Growth and Yield of Soybean

In order to understand the increasing yield situation of original ridge tillage, a field experiment was conducted at Bawusan farm of Hongxinglong branch bureau of Heilongjiang state farms. The resuhs showed that plant height, dry matter and leaf area of original ridge tillage were lower than traditional tillage during seedling and early flowering but became higher after pod-setting stage. The soil water content of original ridge tillage was higher than those of in traditional tillage, but soil bulk density of original ridge tillage was lower than that of traditional tillage. It was also found that the yield of original ridge tillage was higher than that of traditional tillage,the increasing rate was 10%.