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- W2357171437 abstract "A study on relationship between four soil enzymatic activities and soil fertility of the different reclaimed cotton land in Xinjiang was conducted by use of sampling in field and measuring in laboratory.The results showed that the activity of catalase was not remarkably affected by continuous cropping in cotton field;Activities of urease,alkalescence phosphatases and invertase reached maximum value for 5-7 years,then decreased;Activity of invertase reached maximum value for 3-5 years,then decreased;Activities of catalase has positive correlation with pH value,soil organic matter,total N,total P,available N and available P;Activities of urease showed remarkably positive relationships with total N,r=0.92(P0.05),and showed extremely significant level with available N,r=0.99(P0.01).Phosphatase showed remarkably positive relationships with the organic matter,total N,total P,available N,available P,and the correlation coefficient was 0.96(P0.01),0.89(P0.05),0.86(P0.05),0.89(P0.05)respectively,and pH vatue was negatively correlated with available K;Activities of invertase had significant and extreme positive correlation with total N and available N.The available K had negative correlation with pH value." @default.
- W2357171437 created "2016-06-24" @default.
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- W2357171437 date "2009-01-01" @default.
- W2357171437 modified "2023-09-26" @default.
- W2357171437 title "Study on Correlation between Soil Enzymatic Activity and Soil Fertility in Continuous Cropping Cotton Field" @default.
- W2357171437 hasPublicationYear "2009" @default.
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