滴灌下限对日光温室葡萄生长、产量及根系分布的影响

李波,孙君,魏新光,郑思宇,葛东,付诗宁

Effects of Lower Limit of Drip Irrigation on Growth, Yield and Root Distribution of Greenhouse Grapes

Bo LI,Jun SUN,XinGuang WEI,SiYu ZHENG,Dong GE,ShiNing FU

表1 供试土壤（0-60 cm）基本理化性质

Table 1 Physical and chemical properties of soils (0-60 cm) in the experimental site

土层 Layer (cm) pH 有机质 Organic matter content (g·kg-1) 全氮 Total nitrogen (g·kg-1) 全磷 Total phosphorus (g·kg-1) 全钾 Total Kalium (g·kg-1) 速效磷 Available phosphorous (mg·kg-1) 速效钾 Available Kalium (mg·kg-1) 容重 Bulk density (g·cm-3) 田间持水率 Field capacity (cm·cm-3) 0-10 7.89 20.94 1.15 1.89 11.42 18.34 132.85 1.39 0.20 10-20 8.01 18.82 0.97 1.78 10.08 16.23 115.75 1.42 0.21 20-30 8.04 17.75 0.78 1.65 9.65 14.23 100.36 1.43 0.22 30-40 8.06 15.63 0.62 1.43 8.73 11.25 95.78 1.45 0.24 40-50 8.08 14.52 0.57 1.09 7.46 8.52 79.36 1.47 0.23 50-60 8.11 13.41 0.53 0.92 6.05 6.32 62.01 1.48 0.24