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- W2367103222 abstract "[Objective] The aim of the research was to discuss the matching technology for high-yield cultivation of machine-transplanted rice.[Method] Based on an experiment on the interaction of different basic seedlings and different application amount of nitrogen,the yield formation laws of machine-transplanted rice and the quality indices of high-yield population were studied.[Result] The yield showed a trend of first increasing and then decreasing with the increase of basic seedlings.The yield was highest and reached 9 553.5 kg/hm2 when basic seedlings were 135×104 plants/hm2.When pure N amount was 345 kg/hm2,the yield was highest(9 760.5 kg/hm2).The interaction experiment showed that when basic seedlings was 135×104 plants/hm2 and pure N amount was 345 kg/hm2,leaf area index and dry matter accumulation of rice in all growth stages were all higher,the population was reasonable and the yield was highest(9 796.5 kg/hm2).With the increase of basic seedlings,peak seedlings and effective spikes were gradually increased,and spike-bearing rate and grains per spike showed a decline trend.With the increment of N fertilizer application amount,peak seedlings and effective spikes were increased,but spike-bearing rate,grains per spike and 1 000-grain weight showed trend of first increasing and then decreasing.[Conclusion] Machine-transplanted rice with basic seedlings of 135×104 plants/hm2 and pure N amount of about 345 kg/hm2 were more suitable." @default.
- W2367103222 created "2016-06-24" @default.
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- W2367103222 date "2007-01-01" @default.
- W2367103222 modified "2023-09-26" @default.
- W2367103222 title "Study on Quality Index and Cultivation Approach of High-yield Population in Machine-transplanted Rice" @default.
- W2367103222 hasPublicationYear "2007" @default.
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