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Research on Prediction Model and Characteristic Parameters on Dry Matter Accumulation in Wheat Based on Normalized Method and Grey System
Abstract : To investigate a model to simulate wheat dry matter accumulation, three wheat cultivars with different tillering abilities were grown at three densities each in a field experiment. Five simulation models with high correlation coefficients for relative dry matter accumulation were established by the method of normalized. Among these models, the Richards equation was the best in fitting and forecasting, i.e., y = 1.1435/(1 + e0.2776 − 4.6558x)1/0.1130, r = 0.9927. Correlation coefficient of grey comprehensive relationship degree between actual dry matter accumulation in occurrence time of maximum rate of dry matter accumulation and dry matter weight was highest, so a higher actual dry matter weight in occurrence time of maximum rate of dry matter accumulation played an important role in stabilizing and improving dry matter weight of wheat.
Cited literature [20 references]
https://hal.inria.fr/hal-01348226
Contributor : Hal Ifip <>
Submitted on : Friday, July 22, 2016 - 3:50:37 PM
Last modification on : Friday, September 6, 2019 - 3:36:02 PM
Long-term archiving on: : Sunday, October 23, 2016 - 1:36:21 PM
Contributor : Hal Ifip <>
Submitted on : Friday, July 22, 2016 - 3:50:37 PM
Last modification on : Friday, September 6, 2019 - 3:36:02 PM
Long-term archiving on: : Sunday, October 23, 2016 - 1:36:21 PM
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