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
),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
),WANG XueXin,CHEN Kun,PENG Jing,HAN XiaoRi
图3. 施肥后一周0—20 cm土层中无机氮的变化
Fig. 3. Changes of inorganic nitrogen in 0-20 cm soil layer during a week of fertilizer application
