不同覆盖栽培方式下四川盆地西缘玉米地土壤水温效应研究①.pdf

土 壤 (Soils), 2015, 47(3): 608–616 DOI: 10.13758/ki.tr.2015.03.028 不同覆盖栽培方式下四川盆地西缘玉米地土壤水温效应研究① 1 1,3 1,4 1 2 1 1 1* (1 611130 2 100193 3 620300 4 641400) 2 (CT+NM)(CT+SM) (CT+PAPF)(CT+POPF)(RT+PAPF) (RT+POPF)6 8:0014:00 18:00 10 cm RT+POPF CT+POPF RT+PAPF CT+PAPF CT+NM 8:00 14:00 18:00 10 cm ()8:00 10 cm CT+NM 0.5 ℃() 14:00 10 cm CT+NM 0.3 ℃18:00 V12 0.9 ℃0.5 ℃ 0 ~ 20 cm RT+PAPF RT+POPF CT+SM CT+POPF CT+PAPF CT+NM 10.0% 11.4% (RT+PAPF RT+POPF 2.4%) (CT+SM CT+POPFCT+PAPF 2.4%5.1%)( CT+POPF CT+PAPF 3.2%) S157 [6] [7] (Zea mays L.) [8] 500 [9] [10–11] [12] [1]2006 2007 2010—2012 3 1 [2] [3–4] 1.1 [5] (CARS-02-24)()(31210103906) * (xkwei@126.com) (1971)E-mail: cyxue2002@ 3 609 16.2℃ 450 mm )12 1 (20 mm) 濆 1 019 h23% 218 1 732 mm(2 367 mm 79% 1 204 mm)839 mm 50% 20% 8 ( 1 表 1 试验地基础土壤理化性质 Table 1 Physical and