风沙土区不同耕作方式对土壤及大豆性状的影响

Impact of different tillage methods on soil and soybean characters in wind-sand soil area

为了研究适合风沙土区的耕作方式,采用春旋地、打茬播种、原垄卡种及秋起垄四种不同整地方式进行对比试验。结果表明:耕作措施对土壤水分产生较大影响。其中,原垄卡种处理表现较好,保墒效果依次是原垄卡种>秋起垄>打茬播种>春旋地。原垄卡种处理的土壤温度低于其他处理。比较各项大豆生育性状指标,综合表现最好的是原垄卡种,最差的是春旋地处理。原垄卡种处理的产量最高,比秋起垄处理增加了16.7%,比春旋地及打茬播种处理增加了23.5%。

In order to study the tillage methods suitable for wind-sandy soil,the contrast test was taken by the conservation tillage of spring rotary tillage,fight stubble seed,original crop and autumn ridging.The results show that tillage methods greatly affected soil moisture and the best treatment is original crop.The effect of keep moisture show original crop> autumn ridging> fight stubble seed> spring rotary tillage.The soil temperature of the original crop is lower than other treatments.Compared with the breeding characters of soybean,the overall performance of various indexes showed best in the original crop treatment and worst in the spring rotary tillage treatment.The production of the original crop is the highest and increased by 16.7% than the autumn ridging treatment,by 23.5% than fight stubble seed treatment.