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4 稻季不同耕作与施肥处理下氮素淋溶量

Table 4 Soil nitrogen leaching under different tillage and fertilization treatments during rice growing season

耕作方式 Tillage methods 施肥处理 Treatments 氮素淋溶量 N leaching (kg N·hm-2) 占总施氮量 Percentage of N leaching in N application (%) 深翻20 cm Deep plowing 20 cm T1 10.69±0.54 Aa 5.09 Aa T2 11.74±0.23 Aa 5.59 Aa T3 9.14±0.28 Ab 4.35 Ab 旋耕12 cm Rotary tillage 12 cm T1 9.83±0.55 Aab 4.68 Aab T2 11.21±0.53 Aa 5.34 Aa T3 8.58±0.44 Ab 4.09 Ab