Table 3 Nutrient balance statistics for the crop yield from 2009 to 2019 in SW China
Crop | Variable | Year | Min. | Median | Max. | Mean | Standard deviation |
|---|---|---|---|---|---|---|---|
Rice | NBRN | 2009 | –0.30 | 0.61 | 10.69 | 0.69 | 0.49 |
2019 | –0.66 | 0.56 | 9.93 | 0.60 | 0.50 | ||
NBRP | 2009 | –0.67 | –0.15 | 4.42 | –0.12 | 0.25 | |
2019 | –0.85 | –0.27 | 2.92 | –0.20 | 0.28 | ||
NBRK | 2009 | –0.68 | –0.15 | 3.78 | –0.10 | 0.30 | |
2019 | –0.93 | –0.24 | 3.65 | –0.12 | 0.41 | ||
Maize | NBRN | 2009 | –0.57 | 0.09 | 4.35 | 0.13 | 0.27 |
2019 | –0.94 | 0.12 | 3.22 | 0.18 | 0.38 | ||
NBRP | 2009 | –0.86 | –0.51 | 1.34 | –0.48 | 0.17 | |
2019 | –0.97 | –0.40 | 1.31 | –0.38 | 0.24 | ||
NBRK | 2009 | –0.83 | –0.52 | 1.91 | –0.47 | 0.20 | |
2019 | –0.99 | –0.45 | 1.00 | –0.42 | 0.23 | ||
Wheat | NBRN | 2009 | –0.60 | –0.11 | 2.26 | –0.09 | 0.18 |
2019 | –0.73 | –0.11 | 1.21 | –0.12 | 0.21 | ||
NBRP | 2009 | –0.83 | –0.46 | 1.58 | –0.44 | 0.17 | |
2019 | –0.88 | –0.51 | 0.30 | –0.50 | 0.15 | ||
NBRK | 2009 | –1.00 | –0.61 | 0.53 | –0.62 | 0.18 | |
2019 | –0.96 | –0.53 | 0.82 | –0.51 | 0.17 |
