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3 深翻和旋耕对土壤容重的影响

Table 3 Effects of deep plowing and rotary tillage on soil bulk density

土壤深度 Soil depth (cm) 土壤容重Soil bulk destiny (g·cm-3) 深翻 20 cm Deep plowing 20 cm 旋耕 12 cm Rotary tillage 12 cm 0—5 1.36Ca 1.34Ca 5—15 1.35Ca 1.39Ca 15—25 1.43Bb 1.54Ba 25—35 1.62Aa 1.60Aa 35—45 1.58Aa 1.60Aa