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- W2376240544 abstract "The new cultural technology is characteristic of covering with film on which is about one-thick soil during the whole growth stage and all surface, zero tillage and bunch planting.In order to make clean its mechanism of improving yield and the other important factors, we designed the plan of 4 factors with 4 levels and repeated 4 times under the different densities.The results show the tchnology,compared with traditional culture,is able to put off the date of sowing but advance time of the stage of reviving green and ripe stage, increase the rate of more healthy seedlings before overwintering stage,and also produce positive and significant efficiency to the agrinomic traits.It can improve yield,compared with CK, by a large percentages of 22.79%～34.73%, that is ,increas by 1304.11 kg/hm2～1715.16 kg/hm2.The highest yield, 7055.10 kg/hm2, has been produced under the density of 10 seeds per hole, which results owns to many factors, especially population,effective tillers,effective spikelets, number of grain per ear and volumetric weight.With the density changing regularly,the technology produces different efficency on the traits and yield factors.The density of range 8～10 seeds per hole is able to develop latent yield capacity,improve relative factors' productive ability, prevent crop lodging,ensure enough fertilizer and avoid prematuredecay in the late stage.If less than the range, it always leads to less population and production reduction.If more than the range, the lodging, less fertilizer, prematuredecay and nutrient partial consumption would be the results.Conclusion:the new technology is adapt to the dried and semidried area of 500mm rainfall,able to accumulate invalid rainfall,upgrade deeper water,improve water use effency,increas surface temperatur during early growth stage and decrease in the late.It also can do its best to develop cultivars production potentiality cability,provide excellent conditions to wheat growth and is helpful for adopting every living factor, which is beneficial to highly yield." @default.
- W2376240544 created "2016-06-24" @default.
- W2376240544 creator A5074305209 @default.
- W2376240544 date "2010-01-01" @default.
- W2376240544 modified "2023-09-23" @default.
- W2376240544 title "Study on the Winter Wheat Yield Efficiency under Study on Winter Wheat Yield under Zero-Tillage Bunch-Planting Technology of Film Multching with Soil during the Whole Growth Period and All Surface" @default.
- W2376240544 hasPublicationYear "2010" @default.
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