Table 1.
Metric | Unit | Maize | Sorghum | Soybean | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Overall | Irrigated | Non-irrigated | Overall | Irrigated | Non-irrigated | Overall | Irrigated | Non-irrigated | ||
Mean yield | tons/ha | 6.2 | 9.0 | 4.6 | 3.4 | 5.1 | 3.0 | 2.2 | 3.2 | 2.1 |
Yield SD | tons/ha | 1.8 | 2.0 | 1.7 | 1.0 | 0.9 | 0.9 | 0.6 | 0.6 | 0.6 |
Yield CV | unitless | 0.31 | 0.22 | 0.38 | 0.29 | 0.18 | 0.31 | 0.27 | 0.19 | 0.31 |
Yield Trend | kg/ha/yr | 110.93 | 128.34 | 86.77 | 25.07 | −5.95 | 30.93 | 29.14 | 44.15 | 28.11 |
T trend | °C/decade | −0.05 | −0.02 | −0.04 | 0.09 | 0.26 | 0.10 | −0.02 | −0.11 | −0.03 |
P trend | mm/decade | 6.00 | 4.98 | 3.76 | 1.65 | −0.02 | 2.74 | 5.37 | 0.08 | 0.19 |
CEYV | % | 18 | 13 | 40 | 23 | 21 | 26 | 23 | 12 | 34 |
T sensitivity | kg/ha/°C | −348 | 40 | −374 | −40 | −367 | −113 | −45 | 96 | −70 |
P sensitivity | kg/ha/10 mm | 23 | 2 | 77 | 29 | 8 | 34 | 12 | 4 | 26 |
T sensitivity relative to mean yield | % | −4.84 | 0.56 | −5.21 | −1.11 | −10.12 | −3.11 | −1.75 | 4.02 | −2.94 |
P sensitivity relative to mean yield | % | 0.33 | 0.02 | 1.07 | 0.81 | 0.23 | 0.93 | 0.52 | 0.15 | 1.07 |
T-induced yield impacts | kg/ha | 105 | 67 | 59 | −69 | −405 | −85 | −11 | −46 | 10 |
P-induced yield impacts | kg/ha | 112 | 8 | 168 | 58 | −5 | 47 | 33 | 25 | 59 |
T-induced yield impacts relative to mean yield | % | 1.59 | 0.73 | 1.19 | −2.16 | −8.61 | −3.68 | −0.51 | −1.50 | 0.41 |
P-induced yield impacts relative to mean yield | % | 1.96 | 0.09 | 3.42 | 1.61 | −0.07 | 1.33 | 1.45 | 0.82 | 2.63 |
Climate-induced yield impacts relative to mean yield | % | 3.55 | 0.82 | 4.61 | −0.55 | −8.69 | −2.35 | 0.94 | −0.68 | 3.04 |
Role of T in overall yield trend | % | 2.13 | 1.25 | 1.26 | −15.79 | 31.83 | 20.35 | −1.10 | −2.30 | 0.78 |
Role of P in overall yield trend | % | 1.97 | 0.15 | 4.30 | 3.25 | 2.25 | −15.19 | 3.33 | 1.56 | 4.21 |
Time equivalent of role of T in overall yield trend | years | 47 | 80 | 79 | −6 | 3 | 5 | −91 | −43 | 128 |
Time equivalent of role of P in overall yield trend | years | 51 | 678 | 23 | 31 | 44 | −7 | 30 | 64 | 24 |