水氮耦合对地膜玉米免耕轮作小麦干物质积累及产量的影响

赵财,王巧梅,郭瑶,殷文,樊志龙,胡发龙,于爱忠,柴强

Effects of Water-Nitrogen Coupling Patterns on Dry Matter Accumulation and Yield of Wheat under No-tillage with Previous Plastic Mulched Maize

Cai ZHAO,Qiao-Mei WANG,Yao GUO,Wen YIN,Zhi-Long FAN,Fa-Long HU,Ai-Zhong YU,Qiang CHAI

表2 不同耕作措施及水氮耦合模式下小麦的产量及产量构成因素

Table 2 Grain yield and yield components of wheat under different tillage practices and water-nitrogen coupling patterns

耕作措施 Tillage practice 灌水水平 Irrigation level 施氮水平 Nitrogen level 籽粒产量 Grain yield (kg hm-2) 产量构成因素 Yield component 穗数 SN (×104 hm-2) 穗粒数 KNS 千粒重TKW (g) 2016 NT I2 N3 8734 abc 811.1 c 45.8 b 46.0 de N2 8979 ab 852.8 b 46.1 b 51.1 ab N1 7908 def 783.3 e 45.2 b 44.7 de I1 N3 9133 a 875.0 a 49.7 a 51.9 a N2 9046 ab 861.1 ab 50.2 a 50.4 abc N1 8553 abcd 805.6 cd 45.5 b 47.1 cd CT I2 N3 7416 ef 722.2 g 44.3 b 45.8 de N2 8731 abc 794.4 de 43.1 bc 46.3 de N1 7132 f 706.9 h 39.7 c 42.9 e I1 N3 8227 cde 798.6 cde 44.9 b 48.2 bcd N2 8189 cde 758.3 f 44.6 b 47.6 bcd N1 7866 def 729.2g 43.0 bc 45.0 de 2017 NT I2 N3 8485 b 783 cde 41.3 abc 45.0 cde N2 9148 a 840 ab 44.3 a 49.2 a N1 7667 e 755 de 40.2 abc 42.8 def I1 N3 8927 a 846 ab 43.6 ab 47.4 abc N2 8851 a 859 a 44.7 a 48.8 ab N1 7863 de 774 cde 42.2 ab 45.7 bcd CT I2 N3 7685 e 745 e 40.3 abc 42.3 def N2 8062 cd 739 ef 41.4 abc 44.4 cde N1 6945 f 693 f 37.5 c 40.5 f I1 N3 8238 bc 809 abc 41.9 abc 45.1 cd N2 8141 cd 806 bcd 41.2 ac 47.1 abc N1 7060 f 764 cde 39.0 bc 41.6 ef 显著性值 (P) 耕作措施 Tillage practice (T) 0.000 0.000 0.000 0.000 灌水水平 Irrigation level (I) 0.000 0.013 0.000 0.004 施氮量 Nitrogen level (N) 0.000 0.002 0.003 0.000 耕作措施×灌水水平 T×I NS NS NS NS 耕作措施×施氮量 T×N NS NS NS NS 灌水水平×施氮量 I×N 0.000 NS NS 0.003 耕作措施×灌水水平×施氮量 T×I×N NS NS NS NS