Effects of Sludge Compost on EC value of Saline Soil and Plant Height of Medicago

1st International Global on Renewable Energy and Development

Sun, Chongyang^1 ; Zhao, Ke^1 ; Chen, Xing^1 ; Wang, Xiaohui^1

School of Municipal and Environment Engineering, Jilin Jianzhu University, Changchun, China^1

关键词: Application rates;    Different proportions;    Medicago;    Original soils;    Plant height;    Saline soil;    Sludge composting;    Test condition;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/100/1/012217/pdf
DOI  :  10.1088/1755-1315/100/1/012217

来源: IOP

【 摘 要 】

In this study, the effects of sludge composting on the EC value of saline soil and the response to Medicago plant height were studied by planting Medicago with pots for 45 days in different proportions as sludge composting with saline soil. The results showed that the EC value of saline soil did not change obviously with the increase of fertilization ratio,which indicated that the EC value of saline soil was close to that of the original soil. The EC decreased by 31.45% at fertilization ratio of 40%. The height of Medicago reached the highest at 40% fertilization ratio, and that was close to 60% fertilization ratio, and the difference was significant with other treatments. By comprehensive analyse and compare,the optimum application rate of sludge compost was 40% under this test condition.