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- W2382934017 abstract "Under the condition of the same field management mode,by research of no subsoiling,no subsurface pipe and no supporting measures(ck1),and no subsoiling but having subsurface pipe(buried in the depth of 0.8 m and spacing of 5 m),supporting measures(application of pig manure 34 m3/hm2 and MM modifier 15 t/hm2)(ck2),and having subsoiling(the subsoiling depth are 0.3 m and 0.6 m),subsurface pipe,supporting measures,the paper draws the conclusion that different subsoiling treatments with buried subsurface pipe has an effect on soil permeability,organic matter content and exchangeable sodium percentage,sodium adsorption ratio and other physical and chemical characters of soda meadow alkaline soil.The results show that ①Compared with ck1 and ck2,S1(0.3 m) and S2(0.6 m) can improve the permeability coefficient of soda meadow alkaline soil;compared with ck1,K10(indicating soil permeability coefficient being tested at 10 ℃) of ck2 has increased by 13.15 times,and K10 of S1 treatment has increased 17.23 times,and K10 of S2 treatment has increased by 17.85 times.②Compared with ck1 and ck2,proportion of soil micro-aggregate in S1 and S2 is both increasing,and the effect of S2 treatment is better than the other.③Compared with ck1,organic matter content,available N content,Olsen-P content,available K content and cation exchangeable capacity of S1 and S2 are all increasing,and S2 is higher than the other,with an increase of 3.58 g/kg than ck1 and 0.94 g/kg than ck2.④Compared with ck1 and ck2,S1 and S2 can reduce soil pH,electrical conductivity,total salt content,total alkalinity,exchangeable sodium percentage and sodium adsorption ratio;pH,electrical conductivity,total salt content,total alkalinity,exchangeable sodium percentage and sodium adsorption ratio of S2 are minimum and they are 7.34,0.42 ms/cm,2.01 g/kg,2.336 cmol/kg,39.47% and 2.405 respectively.With the buried subsurface pipe,subsoiling treatment can improve soil permeability coefficient and reduce the soil pH,electrical conductivity,total salt content,total alkalinity,exchangeable sodium percentage and sodium adsorption ratio,and the treatment of improving soil properties and subsoiling of 0.6 m has the best effect on the amelioration of soda meadow alkaline soil." @default.
- W2382934017 created "2016-06-24" @default.
- W2382934017 creator A5013105695 @default.
- W2382934017 date "2012-01-01" @default.
- W2382934017 modified "2023-09-28" @default.
- W2382934017 title "Effect of Subsoiling on Physical and Chemical Properties of Soda Meadow Alkaline with Buried Subsurface Pipe" @default.
- W2382934017 hasPublicationYear "2012" @default.
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