覆盖方式对旱地春玉米根冠生长及水分利用效率的影响

司雷勇,夏镇卿,金岩,陈广周,王广福,路海东,薛吉全

Impacts of Different Mulching Patterns on Root-Shoot Growth of Spring Maize and Water Use Efficiency in Dry Land

Leiyong Si,Zhenqing Xia,Yan Jin,Guangzhou Chen,Guangfu Wang,Haidong Lu,Jiquan Xue

图2 玉米不同生育期0~90cm土层单株根系干重 BF,黑色地膜覆盖;WF,白色地膜覆盖;MS,玉米秸秆覆盖;CK,裸地。V6,拔节期;V12,大喇叭口期;VT,吐丝期;R3,灌浆期;R6,成熟期。不同小写字母表示不同处理在0.05水平差异显著。下同

Fig.2 Changes of root dry weight per plant in 0-90cm under different maize growth stages BF, Black plastic film mulch; WF, White plastic film mulch; MS, Maize straw mulch; CK, Not mulch. V6, Jointing stage; V12, Bell stage; VT, Tasseling stage; R3, Filling stage; R6, Mature stage. Different lowercase letters mean significant difference at 0.05 level between different treatments. The same below