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基于异速生长关系的棉籽油分含量模拟模型 被引量:2

A Simulation Model of Cotton Seed Oil Content Based on Allometry Regulation
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摘要 基于不同熟性棉花品种的异地分期播种和施氮量试验,分析棉籽油分含量与棉籽生物量间的异速关系,综合品种特性、主要气象条件,以棉籽生物量为驱动,建立基于异速生长关系的棉籽油分含量模拟模型。利用不同生态点品种、播期和施氮量的田间试验资料的检验结果表明:安阳、淮安和徐州试点模拟值与实测值的RMSE分别为2.2%、2.9%和2.4%。说明依据棉籽油分含量与生物量间的异速生长关系预测棉籽油分含量切实可行,模型预测性好,广适性较强。 The object of this study was to simulate the formation of cotton seed oil by allometry growth relationship between the change of cottonseed oil content and the biomass accumulation. A set of field experiments were conducted in the lower reaches of Yangtze River Valley ( Nanjing, Huaian) and the Yellow River Valley ( Xuzhou, Anyang) in 2005, where Kemian 1 and NuCOTN 33 B were selected, two sowing dates and three N fertilizer application rates were conducted. According to the data collected in Nanjing, a simulation model of cotton seed oil content was developed based on allometry method, and the response of cotton seed oil content to meteorological factors were quantified. The parameters in the model were calibrated using the field data obtained in Nanjing. The model was tested using an independent field data obtained in Huaian, Xuzhou and Anyang. The results showed that the model was sufficiently robust to accurately predict cottonseed oil content with the RMSEs of 2.2% ,2.9% ,and 2.4% respectively. It proved the feasibility that using allometry growth equation to accurately simulate cotton seed oil content.
作者 李文峰 李超 周治国 孟亚利 Li Wenfeng, Li Chao ,Zhou Zhiguo, Meng Yali( 1University Key Laboratory of Agricultural Information Technology in Yunnan/Yunnan Agricultural University, Kunming 650201, Yunnan ; 2 Meteotological Observatory of Yunnan Province, Kunming 650034, Yunnan ; 3 Key Laboratory of Crop Growth Regulation, Ministry of Agriculture/Nanjing Agricultural University, Nanjing 210095, Jiangsu, China)
出处 《作物杂志》 CSCD 北大核心 2012年第1期 22-25,共4页 Crops
基金 国家自然科学基金(31071363)
关键词 棉花 棉籽 油分 异速生长 模拟模型 Cotton ( Gossypium hirsutum L) Cottonseed Oil Allometry regulation Simulation model
作者简介 李文峰,讲师,研究方向为作物生态与作物模拟 孟亚利为通讯作者,教授,主要从事作物生态和模拟研究
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