‘裙膜’覆盖对黄河三角洲盐碱地土温及春季葡萄生长的影响

王辉,赵烁,杨兴旺,金梦玲,杜远鹏,管雪强,翟衡

Effects of ‘Tent’ Mulching on Soil Temperature and Grape Growth in The Yellow River Delta Saline-Alkali in Spring

Hui WANG,Shuo ZHAO,XingWang YANG,MengLing JIN,YuanPeng DU,XueQiang GUAN,Heng ZHAI

表2 滨海盐碱土与棕壤土通气性比较

Table 2 Comparison of air-permeability between Saline-soil and Brun-soil

土壤 Soil 土层深度 Soil depth (cm) 土壤容重 ρb (g·cm-3) 土壤孔隙度 Soil porosity (%) 土壤含水量 VWC (%) 氧化还原电位 Eh (mv) 氧气扩散速率 ODR (3.5mg·m-2·s-1) 盐碱土 Saline-soil 0-20 1.45±0.07a 45±0.3b 16±0.5b 148±15.4c 60.2±5.5a 20-40 1.30±0.05b 51±0.2a 11±0.6c 177.6±8.7b 25.4±4.4c 棕壤土 Brun-soil 0-20 1.28±0.04b 52±0.2a 23±0.2a 221.9±6.7a 68.5±2.3a 20-40 1.29±0.05b 51±0.2a 25±0.3a 177±6.2b 38.5±6.3b