稻茬过晚播小麦高产密度和氮肥调控效应分析

张明伟, 丁锦峰, 朱新开, 郭文善

Analysis of High-Yielding Planting Density and Nitrogen Application in Super-Late Sowing Wheat Following Rice

Zhang Mingwei, Ding Jinfeng, Zhu Xinkai, Guo Wenshan

表7 Effects of density and nitrogen on economic benefit of super-late sowing wheat 元/hm2 yuan/hm2

Table 7

密度 Density (×104/hm2) 施氮量 N amount (kg/hm2) 氮肥运筹 N ratio 2015-2016 2016-2017 总收入 General income 成本 Cost 纯收入 Net income 总收入 General income 成本 Cost 纯收入 Net income 270 180 4:2:1:3 10 430.92j 7882.34 2548.57m 14 194.39i 7882.34 6312.05jk 5:1:2:2 10 884.13ij 7882.34 3001.78klm 14 584.48ghi 7882.34 6702.13ghijk 6:0:2:2 10 900.27ij 7582.34 3317.93ghijkl 14 486.96hi 7582.34 6904.62ghijk 225 4:2:1:3 10 892.34ij 8300.43 2591.91m 14 530.28hi 8300.43 6229.85k 5:1:2:2 11 364.34fghi 8300.43 3063.91jklm 14 779.51ghi 8300.43 6479.08ijk 6:0:2:2 11 110.18hi 8000.43 3109.75ijklm 14 790.34ghi 8000.43 6789.91ghijk 270 4:2:1:3 11 260.28ghi 8718.51 2541.77m 14 996.22fghi 8718.51 6277.71jk 5:1:2:2 11 415.06fghi 8718.51 2696.54lm 15 017.88fghi 8718.51 6299.37jk 6:0:2:2 11 614.08fgh 8418.51 3195.57hijklm 15 050.40fgh 8418.51 6631.88hijk 330 180 4:2:1:3 11 567.78fgh 8029.01 3538.77fghijk 14 801.17ghi 8029.01 6772.16ghijk 5:1:2:2 11 943.97ef 8029.01 3914.96bcdefg 15 115.40efgh 8029.01 7086.39efghij 6:0:2:2 11 896.95efg 7729.01 4167.94abcdef 15 798.03cdef 7729.01 8069.02abcd 225 4:2:1:3 12 320.25cde 8447.09 3873.16bcdefg 16 361.49abc 8447.09 7914.39abcde 5:1:2:2 12 790.39abc 8447.09 4343.30abcd 16 740.72ab 8447.09 8293.62ab 6:0:2:2 12 649.23bcd 8147.09 4502.13ab 16 868.49a 8147.09 8721.39a 270 4:2:1:3 12 752.87abc 8865.18 3887.69bcdefg 15 928.06bcde 8865.18 7062.88efghijk 5:1:2:2 13 072.53ab 8865.18 4207.35abcde 16 703.69ab 8865.18 7838.51bcdef 6:0:2:2 13 335.58a 8565.18 4770.40a 16 751.55ab 8565.18 8186.37abc 390 180 4:2:1:3 11 840.89efg 8175.68 3665.22efghij 15 418.8defg 8175.68 7243.12defghi 5:1:2:2 11 993.88def 8175.68 3818.20cdefgh 15 689.68cdef 8175.68 7514.01bcdefg 6:0:2:2 11 749.10efgh 7875.68 3873.43bcdefg 15 819.71cdef 7875.68 7944.04abcd 225 4:2:1:3 12 299.84cde 8593.76 3706.08defghij 16 404.83abc 8593.76 7811.07bcdef 5:1:2:2 12 320.16cde 8593.76 3726.40defghi 16 426.49abc 8593.76 7832.73bcdef 6:0:2:2 12 715.15abc 8293.76 4421.39abc 16 524.00abc 8293.76 8230.24ab 270 4:2:1:3 12 602.30bcd 9011.85 3590.45efghijk 16 036.43abcd 9011.85 7024.58fghijk 5:1:2:2 12 727.41abc 9011.85 3715.57defghij 16 469.83abc 9011.85 7457.98bcdefgh 6:0:2:2 12 852.72abc 8711.85 4140.87abcdef 16 068.92abcd 8711.85 7357.07cdefgh F 密度Density 97.57** 70.49** 64.51** 46.45** 施氮量N amount 37.48** 1.17ns 22.03** 6.49** 氮肥运筹N ratio 5.08** 16.01** 4.25* 11.81** 密度×施氮量Density×N amount 1.23ns 1.23ns 3.15* 3.15* 密度×氮肥运筹Density×N ratio 0.38ns 0.38ns 0.95ns 0.95ns 施氮量×氮肥运筹N amount×N ratio 0.31ns 0.31ns 0.35ns 0.35ns 密度×施氮量×氮肥运筹Density×N amount×N ratio 0.38ns 0.38ns 0.26ns 0.26ns