河套地区无膜浅埋滴灌对玉米产量及经济效益的影响

张梦楠, 张国强, 薛军, 朱西雅, 谢瑞芝, 许高平, 李少昆, 王克如, 明博, 葛均筑

Effects of No-Film Shallow Buried Drip Irrigation on Maize Yield and Economic Benefits in the Hetao Region

Zhang Mengnan, Zhang Guoqiang, Xue Jun, Zhu Xiya, Xie Ruizhi, Xu Gaoping, Li Shaokun, Wang Keru, Ming Bo, Ge Junzhu

表1 不同栽培模式下干物质转运与积累特征

Table 1 Characteristics of dry matter translocation and accumulation under different cultivation modes

年份 Year 种植密度 Planting density 栽培模式 Cultivation mode 花前干物质积累量 Dry matter accumulation before anthesis (t/hm2) R6期干物质积累量 Dry matter accumulation in R6 stage (t/hm2) 花后干物质积累量 Dry matter accumulation after anthesis (t/hm2) 花后干物质积累率 Dry matter accumulation rate after anthesis (%) HI 2023 LD FM 11.53a 30.83a 19.31a 62.61a 0.56a NM 11.41a 30.56a 19.15a 62.67a 0.56a T 10.71b 28.82b 18.12b 62.85a 0.53b MD FM 12.19a 33.53a 21.34a 63.63a 0.55a NM 12.68a 33.26a 20.59a 61.87a 0.55a T 12.18a 31.51b 19.34b 61.30a 0.52b HD FM 13.81a 36.22a 22.42a 61.89a 0.54a NM 13.89a 35.43a 21.54a 60.79a 0.54a T 13.02b 32.94b 19.93b 60.48a 0.51b 2024 LD FM 12.06a 28.56a 16.50a 57.77a 0.59a NM 12.15a 28.89a 16.75a 57.95a 0.58a T 11.45b 27.30b 15.85b 58.05a 0.55b MD FM 13.18a 32.61a 19.43a 59.55a 0.55a NM 12.77a 32.38a 19.61a 60.58a 0.56a T 11.59b 29.76b 18.17b 61.04a 0.53b HD FM 13.77a 35.85a 22.08a 61.59a 0.54a NM 13.21a 34.65a 21.43a 61.86a 0.55a T 12.41b 32.88b 20.48b 62.27a 0.52b 年份Year ** ** ** ** ns 种植密度Planting density ** ** ** ns ** 栽培模式Cultivation mode ** ** ** ns ** 年份×种植密度Year×Planting density ns ns ** ** ns 年份×栽培模式Year×Cultivation mode ns ns ns ns ns 种植密度×栽培模式 Planting density×Cultivation mode ns ** ** ns ns 年份×种植密度×栽培模式 Year×Planting density×Cultivation mode ns ns ns ns ns