不同降水年型下水氮调控对小麦产量及生物量的影响

茹晓雅,李广,陈国鹏,张统帅,闫丽娟

Regulation effects of water and nitrogen on wheat yield and biomass in different precipitation years

Xiao-Ya RU,Guang LI,Guo-Peng CHEN,Tong-Shuai ZHANG,Li-Juan YAN

表2 作物模块参数表

Table 2 Crop parameters

参数 Parameter 取值 Value 灌浆到成熟的积温Thermal time start filling to mature 580 春化系数Sensitivity to vernalisation 1 光周期系数Sensitivity to photoperiod 2 最大灌浆速率Maximum grain filling rate 2.30 分蘖重Weight of tiller (g tiller-1) 1.22 单株重Weight of single plant (g) 4 株高Stem length (mm) 1000 播种期地表蒸发系数(土壤) Surface evaporation coefficient (soil) during sowing 7.20 发芽期地表蒸发系数(土壤) Surface evaporation coefficient (soil) during germination 6.20