深翻、有机无机肥配施对稻田水分渗漏和氮素淋溶的影响

王瑾瑜,程文龙,槐圣昌,武红亮,邢婷婷,于伟家,武际,李敏,卢昌艾

Effects of Deep Plowing and Organic-Inorganic Fertilization on Soil Water and Nitrogen Leaching in Rice Field

WANG JinYu,CHENG WenLong,HUAI ShengChang,WU HongLiang,XING TingTing,YU WeiJia,WU Ji,LI Min,LU ChangAi

表1 基础土壤理化性状

Table 1 Soil Basic physical and chemical properties

土层 Soil layer (cm) pH 有机质 OM (g·kg-1) 全氮 Total N (g·kg-1) 碱解氮 Available N (mg·kg-1) 有效磷 Available P (mg·kg-1) 速效钾 Available K (mg·kg-1) 土壤容重 Soil bulk density (g·cm-3) 0-15 5.85 25.0 1.40 98.1 9.5 96.0 1.35 15-30 6.21 17.0 1.01 53.1 6.0 76.0 1.54