滴施缩节胺与氮肥对棉花生长发育及产量的影响

张特, 王蜜蜂, 赵强

Effects of DPC and nitrogen fertilizer through drip irrigation on growth and yield in cotton

ZHANG Te, WANG Mi-Feng, ZHAO Qiang

表5 不同处理下棉花“三桃”占比

Table 5 Proportion of “three peaches” under nitrogen and DPC treatments in cotton (%)

处理 Treatment 2018 2017 伏前桃 Pre-summer bolls 伏桃 Summer bolls 秋桃 Autumn bolls 伏前桃 Pre-summer bolls 伏桃 Summer bolls 秋桃 Autumn bolls D1 N1 35.18 56.09 8.73 47.45 45.64 6.91 N2 36.19 58.93 4.88 43.64 45.45 10.91 N3 39.91 48.40 11.69 49.54 41.20 9.26 D2 N1 25.70 65.49 8.80 58.05 39.57 2.38 N2 29.89 63.81 6.30 50.00 45.24 4.76 N3 30.15 60.31 9.54 58.33 35.90 5.77 D3 N1 26.20 64.52 9.27 51.72 43.43 4.84 N2 28.90 61.69 9.40 53.33 43.89 2.78 N3 38.76 51.30 9.94 38.68 54.72 6.60 D1 37.09 54.48 8.43 46.88 44.10 9.03 D2 28.58 63.21 8.21 55.46 40.24 4.30 D3 31.29 58.84 9.87 47.91 47.35 4.74 N1 29.03 62.04 8.94 52.41 42.88 4.71 N2 31.66 61.15 7.20 48.99 44.86 6.15 N3 36.27 53.34 10.39 48.85 43.94 7.21