Table 1 The micro area arable layer soil nutrient status
From: Effects of soil potassium levels on dry matter and nutrient accumulation and distribution in cotton
Year | Treatment | Total N content/(g·kg−1) | Olsen-P content /(mg·kg−1) | Available K content /(mg·kg−1) | Organic matter content /(g·kg−1) |
|---|---|---|---|---|---|
2020 | K1 | 0.57 ± 0.02 | 18.75 ± 6.76 | 99.77 ± 3.94 | 11.20 ± 1.33 |
K2 | 0.58 ± 0.02 | 23.67 ± 4.99 | 110.90 ± 6.74 | 10.72 ± 0.61 | |
K3 | 0.57 ± 0.02 | 14.25 ± 2.28 | 123.48 ± 13.35 | 10.81 ± 0.40 | |
K4 | 0.58 ± 0.02 | 15.33 ± 2.87 | 140.13 ± 6.11 | 10.53 ± 0.24 | |
K5 | 0.57 ± 0.02 | 17.67 ± 4.92 | 154.43 ± 19.74 | 10.28 ± 0.39 | |
K6 | 0.57 ± 0.03 | 17.67 ± 4.50 | 165.77 ± 13.04 | 11.62 ± 1.17 | |
2021 | K1 | 0.60 ± 0.01 | 14.67 ± 0.94 | 100.90 ± 0.91 | 10.32 ± 0.23 |
K2 | 0.58 ± 0.01 | 14.00 ± 3.27 | 111.26 ± 6.65 | 9.95 ± 0.85 | |
K3 | 0.60 ± 0.01 | 11.00 ± 1.41 | 128.88 ± 1.20 | 10.77 ± 0.10 | |
K4 | 0.63 ± 0.03 | 13.00 ± 4.08 | 145.10 ± 9.91 | 9.82 ± 0.09 | |
K5 | 0.61 ± 0.01 | 10.67 ± 0.47 | 155.38 ± 23.96 | 10.18 ± 0.28 | |
K6 | 0.60 ± 0.03 | 13.67 ± 3.40 | 168.75 ± 15.10 | 10.54 ± 0.78 |