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- W2382275987 abstract "[Objective]The research aimed to improve the productivity of maize population through the planting pattern and density interaction,and provide theoretical and technical support for corn dual grain in cold area. [Method] With high starch maize( Zhengdan958) of cold area as the experimental material,though investigating such as corn yield,leaf area index,properties of light,dry matter accumulation and stem sugar content,that factors was analysised and discusses under different planting patterns,and got the dual grain optimal planting pattern of High Starch Corn in Heilongjiang Cold Area. [Result]The large double ridge mulching( C1) with high density was more conducive to the improvement of the canopy vertical structure,extension of leaves the functional period and increase the leaf area index of maize,increased the maize canopy photosynthetic rate and chlorophyll content,constructed high efficiency production system,promoted the coordinated development of library source increase the photosynthetic products and dry matter accumulation,improved the maize ear length,grain number per spike and thousand grain weight,and ultimately improved the yield and sugar content of corn stalk due to the increasing temperature moisture and other factors. The correlation analysis showed that yield and stem total soluble sugar content was not significant negative correlation,so did not affect the yield of stalk sugar content. Path analysis showed that the chlorophyll content and dry weight had greater impact on stem soluble sugar influence.[Conclusion] Combined with the kernel yield and stem high two factors,using large double ridge mulching plastic film,and 90 000 strains / hm2 planting density was high and stable yield optimal allocation." @default.
- W2382275987 created "2016-06-24" @default.
- W2382275987 creator A5067317756 @default.
- W2382275987 date "2015-01-01" @default.
- W2382275987 modified "2023-09-23" @default.
- W2382275987 title "Research on the Dual Grain Stalk Planting Pattern of High Starch Corn in Cold Area" @default.
- W2382275987 hasPublicationYear "2015" @default.
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