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- W2384793712 abstract "In order to improve the wheat yield in Sichuan basin,technical analysis of the measures to a super high yield of wheat(9 t·hm-2) in Sichuan basin was conducted based on the data from a series of experiments and farmers' fields in 2005-2012.Grain yield correlated significantly and positively with spike number·hm-2,but the correlation coefficients decreased with grain yield going up(y=-0.151x+1.453,R2=0.329,P0.05).Grain number per spike and 1000-kenel weight became the crucial factors for grain yield improvement once the grain yield reached 9 t·hm-2.It was generally observed that grain yield correlated significantly and positively with biomass yield,harvest index,biomass production rate,grain production rate,and correlated negatively with days from emergence to heading and maturity,but the correlation between grain yield with summit population,tillering ability and spike-rate containing grains varied greatly among most experiments.Grain yield was correlated with population dry matter and leaf area index more closely at late stage than that at early stages.Individual and population attributes of super high yield fields showed as individual plant was vigorous but rather rank,population was enough but rather necessary at early growth stage,and most attributes of super high yield fields were obvious higher than that of medium-and low yield fields at late growth stage.Technical measures,stage attributes of individual and population,and crucial techniques to super high yield of wheat in Sichuan basin with very low photo synthetically active radiation were proposed based above analysis and local ecological system." @default.
- W2384793712 created "2016-06-24" @default.
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- W2384793712 date "2013-01-01" @default.
- W2384793712 modified "2023-09-27" @default.
- W2384793712 title "Analysis on the Technical Measures for Super High Yield of Wheat(9 t·hm~(-2)) in Sichuan Basin with Weak Light" @default.
- W2384793712 hasPublicationYear "2013" @default.
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