Table 2.
Linear regression of grain yield (Y in g m–2) with total crop nitrogen uptake (Nmax in g N m–2), and other individual model input parameters (Table 1) of the whole panel in 2013 control conditions
Equation | μ | a1 | a2 | R 2 (%) |
---|---|---|---|---|
Y=μ+a1Nmax | –207.29 | 81.28*** | 72.43 | |
Y=μ+a1Nmax+a2mV | –202.74 | 81.38*** | –0.08NS | 72.43 |
Y=μ+a1Nmax+a2mR | –301.61 | 79.93*** | 3.11** | 73.39 |
Y=μ+a1Nmax+a2δ | –211.24 | 82.28*** | –102.65NS | 72.79 |
Y=μ+a1Nmax+a2Hmax | –9.60 | 83.23*** | –156.79*** | 85.05 |
Y=μ+a1Nmax+a2Sw | –266.67 | 81.14*** | 2688.87NS | 72.85 |
Y=μ+a1Nmax+a2gset | –355.65 | 66.87*** | 349.30*** | 77.92 |
Y=μ+a1Nmax+a2nso | 134.63 | 76.88*** | –22 861.21*** | 82.00 |