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- W2384531316 abstract "The influences of adding organic matters decomposition maturing agent on effect of returning straw to the field under tillage mode were researched. The experiment designed four treatments, including non returning straw to the field(treatment 1), returning all of straw to the field(treatment 2), returning all of straw to the field adding with inactivated organic matters decomposition maturing agent(treatment 3), and returning all of straw to the field adding with organic matters decomposition maturing agent(treatment 4), and the influences of the four treatment on soil physicochemical characters and rice agricultural characters were studied. The results showed that in comparison with the other three treatments, the treatment 4 shortened 3~4 d in straw decomposition time; in comparison with treatment 2 in the effects of treatment on the rice agricultural characters in next season, the treatment 4 was less in plant height by 0.7 cm and lower in seed setting rate by 0.7%, but its effective spike number, effective grain number per spike and 1000-grain weight increased by 30 000 spikes/hm2, 4.2 grains/spike and 0.3 g, respectively, and their increasing rates were 6.8%, 7.5% and1.4%, respectively. The lowest pH value of soil showed at 28thd in treatment 4(6.41); in comparison with treatment 2, the total potassium content of soil in treatment 4 decreased by 0.5 g/kg, but the organic matters content, total nitrogen content,total phosphor content, available potassium content and available phosphor content of soil in treatment 4 increased by 0.5g/kg, 0.01 g/kg, 0.056 g/kg, 11 mg/kg and 0.78 mg/kg, respectively. It indicated that the physiochemical characters of soil were improved. In comparison with treatment 1 and treatment 2, the rice yield in treatment 4 increased by 516 kg/hm2 and271.5 kg/hm2 with increasing rate of 8.2% and 4.1%, respectively. The F test results indicated that the differences between treatment 4 and treatment 1 or treatment 4 and treatment 2 were significant." @default.
- W2384531316 created "2016-06-24" @default.
- W2384531316 creator A5043473681 @default.
- W2384531316 date "2013-01-01" @default.
- W2384531316 modified "2023-09-28" @default.
- W2384531316 title "Influences of Returning Straws to the Field Adding with Organic Matters Decomposition Maturing Agent on Soil and Rice" @default.
- W2384531316 hasPublicationYear "2013" @default.
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