【摘要】 为探明全膜双垄沟播技术和集雨补灌对玉米生长发育及产量的影响,采用完全随机区组设计,分别在不同全膜双垄沟播种植模式与补灌措施下对玉米干物质积累、叶面积指数、叶片SPAD值、0～200 cm土壤水分等指标进行对比分析。结果表明:在欠水年补灌条件下,全膜双垄沟播(FMRF₇₀)种植模式不仅能够显著促进玉米的生长发育,还有利于玉米籽粒性状表现。干物质积累增加2.51%～26.88%,叶面积指数增加5.06%～14.37%,叶片SPAD值增加1.56%～8.75%,穗长增加0.3%～13.3%、百粒重增加3.3%～4.7%。全膜双垄沟播(FMRF₇₀)种植模式能够充分利用有限的水资源,使0～200 cm土壤平均贮水量增加8.0 mm～23.54 mm,经济产量和水分利用效率均表现为FMRF₇₀>FP>FMRF₆₀>FMRF₅₀,产量增加19.20%～78.96%,WUE提高15.97%～70.00%,差异显著（P<0.05）。可见,全膜双垄沟播(FMRF₇₀)种植模式结合灌浆期适量补灌是半干旱区适宜的种植模式。更多还原

【Abstract】 In order to explore the effect of full mulching and double ridge-furrow planting technology and supplemental irrigating on the growth and yield of maize,using a completely randomized block design,the dry matter accumulation,leaf area index,leaf SPAD value and soil moisture of 0 ～ 200 cm in maize were compared and analyzed. The results showed that FMRF₇₀ treatment could not only significantly promote the growth and development of maize,but also contribute to the performance of maize grain traits under the condition of irrigation in waterdeficient years; dry matter accumulation was increased by 2.51% to 26.88%,leaf area index was increased by 5.06% to 14.37%,SPAD value of leaves was increased by 1.56% to 8.75%,spike length was increased by 0.3% to 13.3%,and 100-grain weight was increased by3.3% to 4.7%. FMRF₇₀ planting pattern could make full use of limited water resources,and increased the average water storage of 0 ～ 200 cm soil by 8.0 mm to 23.54 mm. The economic yield and water use efficiency were both shown as FMRF₇₀>FP >FMRF₆₀>FMRF₅₀,yield was increased by 19.20% to 8.96%,and WUE was increased by 15.97% to 70.00%,with significant difference（ P<0.05）. It can be found that FMRF₇₀ planting pattern combined with appropriate supplemental irrigation in the grouting stage is an appropriate planting pattern in semiarid areas.更多还原