Table 2 Difference analysis of N, P and K accumulation in cotton plants under different soil K levels in 2020 and 2021
From: Effects of soil potassium levels on dry matter and nutrient accumulation and distribution in cotton
Nutrient | Treatment | Increasing rate of nutrient accumulation/% | Increasing factors | ||||
|---|---|---|---|---|---|---|---|
Increasing rate because of nourishment content/% | Increasing rate because of dry matter/% | ||||||
2020 | 2021 | 2020 | 2021 | 2020 | 2021 | ||
N | K1 | Â | Â | Â | Â | Â | Â |
K2 | 79.36 | 14.36 | -1.13 | -11.50 | 101.13 | 111.50 | |
K3 | 115.35 | 39.08 | 1.16 | -66.11 | 98.84 | 166.11 | |
K4 | 171.06 | 60.16 | -1.24 | 5.45 | 101.24 | 94.55 | |
K5 | 153.96 | 62.70 | 0.39 | 3.62 | 99.61 | 96.38 | |
K6 | 148.52 | 57.60 | -8.12 | -15.77 | 108.12 | 115.77 | |
P | K1 | Â | Â | Â | Â | Â | Â |
K2 | 56.55 | 26.64 | -22.20 | -10.27 | 122.20 | 110.27 | |
K3 | 89.29 | 64.32 | -13.59 | 4.13 | 113.59 | 95.87 | |
K4 | 125.04 | 60.09 | -25.42 | -0.16 | 125.42 | 100.16 | |
K5 | 93.02 | 66.78 | -46.88 | 5.18 | 146.88 | 94.82 | |
K6 | 111.60 | 62.51 | -28.74 | -11.55 | 128.74 | 111.55 | |
K | K1 | Â | Â | Â | Â | Â | Â |
K2 | 93.33 | 60.49 | 12.74 | 55.12 | 87.26 | 44.88 | |
K3 | 154.12 | 93.70 | 25.26 | 58.25 | 74.74 | 41.75 | |
K4 | 251.01 | 153.47 | 30.68 | 60.76 | 69.32 | 39.24 | |
K5 | 235.08 | 170.52 | 33.62 | 60.77 | 66.38 | 39.23 | |
K6 | 231.01 | 181.95 | 30.08 | 60.79 | 69.92 | 39.21 | |