Table 1 Basic chemical properties of the soil in the tillage layer (0–40 cm).
Site | Year | Soil layers (cm) | Organic matter (g kg−1) | Total N (g kg−1) | Alkali-hydrolyzable N (mg kg−1) | Available P (mg kg−1) | Available K (mg kg−1) |
|---|---|---|---|---|---|---|---|
Wenkou | 2014 | 0–20 | 15.16 | 1.29 | 98.46 | 37.14 | 120.68 |
20–40 | 14.28 | 1.35 | 110.42 | 35.12 | 128.41 | ||
2015 | 0–20 | 16.18 | 1.91 | 120.24 | 48.12 | 108.16 | |
20–40 | 15.55 | 1.99 | 130.42 | 44.38 | 111.26 |
