包膜尿素不同配比减施对土壤无机氮含量及玉米氮素吸收的影响
冯小杰,战秀梅,王雪鑫,陈坤,彭靖,韩晓日

Effects of Soil Inorganic Nitrogen and Nitrogen Absorbing by Maize Under the Reduced Application of Coated Urea at Different Proportions
FENG XiaoJie,ZHAN XiuMei,WANG XueXin,CHEN Kun,PENG Jing,HAN XiaoRi
表1 供试土壤基本理化性状(0—20 cm)
Table 1 Soil properties of the experimental sites
试验地点
Experimental sites
pH 有机质
Organic Matter(g·kg-1
无机氮
Inorganic N
(mg·kg-1
全氮
Total N
(g·kg-1
解碱氮
Available N
(mg·kg-1
速效磷
Available P
(mg·kg-1
速效钾
Available K
(mg·kg-1
沈阳 Shenyang 5.14 14.61 8.53 0.83 91.40 7.60 89.80
海城 Haicheng 5.14 22.30 18.25 0.86 129.60 27.42 122.76