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7 不同处理对棉花产量与产量构成因素的影响
Table 7 Effects of nitrogen and DPC treatments on yield and yield components in cotton
年份
Year		 处理
Treatment		 收获株数
Harvest plant of land
(×104 plant hm-2)		 单株结铃数
Boll number
per plant		 单铃重
Boll weight
(g)		 衣分
Lint percentage (%)		 籽棉产量
Seed cotton yield (kg hm-2)		 皮棉产量
Lint cotton yield (kg hm-2)
2018 D1 N1 17.98 a 5.51 ab 5.42 a 38.94 a 5341.50 a 2082.82 a
N2 20.68 a 5.38 ab 5.58 a 39.98 ab 6262.42 a 2503.12 a
N3 18.85 a 5.49 ab 5.48 a 39.99 ab 5667.97 a 2260.91 a
D2 N1 20.49 a 5.13 a 5.75 a 39.93 ab 5966.88 a 2383.76 a
N2 20.49 a 5.25 ab 5.59 a 40.01 ab 5977.68 a 2401.98 a
N3 20.01 a 4.92 a 5.77 a 40.35 ab 5556.93 a 2243.58 a
D3 N1 16.50 a 6.46 bc 5.72 a 41.07 b 6074.88 a 2495.81 a
N2 18.07 a 5.96 ab 5.71 a 39.91 ab 6181.65 a 2468.81 a
N3 16.09 a 6.99 c 5.38 a 40.36 ab 6269.28 a 2529.67 a
2018 D1 19.17 b 5.46 a 5.49 a 39.63 a 5757.29 a 2282.28 a
D2 20.33 b 5.10 a 5.70 a 40.09 a 5833.83 a 2343.10 a
D3 16.88 a 6.47 b 5.60 a 40.44 a 6175.27 a 2498.09 a
N1 18.32 a 5.70 a 5.63 a 39.98 a 5794.42 a 2320.79 a
N2 19.74 a 5.53 a 5.62 a 39.96 a 6140.58 a 2457.97 a
N3 18.31 a 5.80 a 5.54 a 40.23 a 5831.39 a 2344.72 a
D 4.24 11.80** 0.40 2.09 0.37 0.58
N 0.91 0.44 0.005 0.25 0.43 0.37
D×N 0.26 0.93 0.12 1.45 0.25 0.33
2017 D1 N1 14.71 a 8.07 b 4.98 abc 43.64 a 5533.08 abc 2413.38 abc
N2 16.03 a 7.18 ab 4.95 abc 43.54 a 5716.70 bc 2490.64 abc
N3 14.63 a 7.64 ab 4.85 ab 43.49 a 5413.91 abc 2355.77 abc
D2 N1 15.09 a 7.80 ab 5.04 bc 42.70 a 5916.87 bc 2526.50 bc
N2 15.41 a 7.16 ab 4.91 abc 43.45 a 5330.52 ab 2315.60 ab
N3 16.90 a 6.33 a 4.62 a 43.51 a 4894.31 a 2130.53 a
D3 N1 14.37 a 8.43 b 5.11 c 43.68 a 6171.38 c 2696.66 c
N2 15.64 a 7.39 ab 4.92 abc 42.97 a 5640.65 abc 2426.84 abc
N3 16.76 a 7.03 ab 4.67 ab 42.98 a 5500.64 abc 2363.34 abc
D1 15.12 a 7.63 a 4.92 a 43.55 a 5554.56 a 2419.93 a
D2 15.80 a 7.09 a 4.85 a 43.22 a 5380.56 a 2324.21 a
D3 15.59 a 7.61 a 4.90 a 43.21 a 5770.89 a 2495.61 a
N1 14.72 a 8.10 b 5.04 b 43.34 a 5873.77 b 2545.51 b
N2 15.69 a 7.24 a 4.92 b 43.32 a 5562.62 ab 2411.02 ab
N3 16.09 a 7.00 a 4.71 a 43.32 a 5269.62 a 2283.21 a
D 0.40 1.39 0.33 0.27 2.15 1.83
N 1.67 5.04* 6.82** 0.01 5.14* 4.26*
D×N 0.83 0.68 0.62 0.43 1.29 0.97