1.0职业情景认知--气候变化对马铃薯生理生态.ppt

**************CO2浓度升高和增温对马铃薯生物量影响不同处理马铃薯叶片干物质积累动态模拟曲线处理干物质积累模型一阶导数Tmax/dVmax/g/(m2·d)X1/dX2/d(X2-X1)/dFPITy=105.101/(1+e2.602-0.0365x)dy/dx=3.836e2.602-0.0365x/(1+e2.602-0.0365x)2711.035107728.814≤0.05IT+ICy=155.12/(1+e4.48-0.052x)dy/dx=8.066e4.48-0.052x/(1+e4.48-0.052x)862.9611125122.839≤0.01CKy=115.21/(1+e3.42-0.0438x)dy/dx=5.046e3.42-0.0438x/(1+e3.42-0.0438x)2781.348108608.645≤0.05花序形成期～可收期叶片干物质积累增温（IT）+CO2浓度升高（IC）复合处理高于增温（IT），且高于对照。CO2浓度升高和增温对马铃薯生物量影响不同处理马铃薯叶柄干物质积累动态模拟曲线花序形成期～可收期，增温加CO2浓度升高复合处理叶柄干物质积累显著高于对照，且显著高于单独增温处理。处理干物质积累模型一阶导数Tmax/dVmax/g/(m2·d)X1/dX2/d(X2-X1)/dFPITy=27.429/(1+e2.867-0.0323x)dy/dx=0.886e2.867-0.0323x/(1+e2.867-0.0323x)2890.2481308215.149≤0.01IT+ICy=61.162/(1+e4.304-0.0364x)dy/dx=2.226e4.304-0.0364x/(1+e4.304-0.0364x)1180.6821547251.489≤0.01CKy=28.11/(1+e2.833-0.0267x)dy/dx=0.751e2.833-0.0267x/(1+e2.833-0.0267x)21060.2571559816.250≤0.01CO2浓度升高和增温对马铃薯生物量影响不同处理马铃薯茎杆干物重积累动态模拟曲线处理干物质积累模型一阶导数Tmax/dVmax/g/(m2·d)X1/dX2/d(X2-X1)/dFPITy=146.43/(1+e6.87-0.0628x)dy/dx=9.195e6.87-0.0628x/(1+e6.87-0.0628x)21092.3881304231.041≤0.01IT+ICy=199.59/(1+e6.455-0.0572x)dy/dx=11.417e6.455-0.0572x/(1+e6.455-0.0572x)1132.9901364628.613≤0.01CKy=157.84/(1+e7.154-0.0620x)dy/dx=9.786e7.154-0.0620x/(1+e7.154-0.0620x)21152.4941374362.575≤0.01“IT+IC”复合处理马铃薯茎秆干物质积累高于IT处理，且高于CK。CO2浓度升高和增温对马铃薯生物量影响不同处理马铃薯地上部分干物质积累动态模拟曲线增温与CO2浓度升高复合处理马铃薯地上部分干物质积累一致高于单独增温处理和对照，平均偏高分别为24.4%、35.8%；处理干物质积累模型一阶导数Tmax/dVmax/g/(m2·d)X1/dX2/d(X2-X1)/dFPITy=287.23/(1+e4.538-0.0472x)dy/dx=13.557e4.538-0.0472x/(1+e4.538-0.0472x)2963.4681245623.625≤0.01IT+ICy=419.56/(1+e4.704-0.0449x)dy/dx=18.838e4.704-0.0449x/(1+e4.704-0.0449x)1054.7751345917.815≤0.01CKy=277.42/(1+e5.065-0.0525x)dy/dx=14.565e5.065-0.0525x/(1+e5.065-0.0525x)2973.6711225167.468