水氮耦合对春小麦干物质累积与植株氮素转运的影响

梁伟琴, 贾莉, 郭黎明, 李应兰, 胡亚峰, 陈小花, 马旭凤, 李静

Effects of Irrigation and Nitrogen Application on Dry Matter Accumulation and Nitrogen Transport of Spring Wheat

Liang Weiqin, Jia Li, Guo Liming, Li Yinglan, Hu Yafeng, Chen Xiaohua, Ma Xufeng, Li Jing

表1 不同水氮条件对春小麦不同生育时期干物质累积量的影响

Table 1 Effects of irrigation and nitrogen application rates on dry matter accumulation of wheat at different growth stages kg/hm2

处理Treatment 生育期Growth period 花后干物质累积量 Dry matter accumulation after anthesis 灌水 Irrigation 氮 Nitrogen 拔节期 Jointing 开花期 Anthesis 灌浆期 Filling 成熟期 Mature W1 N0 975.83bE 2795.66bD 4556.11bF 5005.40cH 2209.74bD N1 1118.02aCD 3816.20aBC 5618.30aDE 6010.14bFG 2193.94bD N2 1154.75aC 3921.62aBC 6082.31aDE 6899.20aEF 2977.58aCD N3 1198.33aC 4347.41acAB 6716.58aCD 7263.19aE 2915.78aCD W2 N0 1018.22bDE 3421.13cCD 5206.52bEF 6018.10cG 2596.97cD N1 1179.91bC 4250.30bABC 7714.48bABC 8790.00bD 4539.70bC N2 1333.41aB 4570.81aAB 7910.38aABC 9812.48aC 5241.67aBC N3 1365.35aAB 4621.39aAB 8572.42aAB 10 405.10aBC 5783.71aB W3 N0 1173.54bC 4010.22bABC 5669.47cDE 6890.50cE 2880.28bCD N1 1396.42aAB 4233.51abABC 7712.45bBC 10 770.32bBC 6536.81abAB N2 1551.58aAB 4942.27aA 7980.00abABC 11 072.30bAB 6130.03abAB N3 1474.13aA 4558.03abAB 9155.61aA 12 072.10aA 7514.07aA F值F-value W 37.49** 6.81** 88.88** 87.66** 283.16** N 30.05** 10.11** 77.13** 53.85** 34.50** W×N 3.93** 0.49 6.30** 5.90** 8.83**