不同施肥年限下作物产量及土壤碳氮库容对增施有机物料的响应
盖霞普1,刘宏斌1,杨波1,王洪媛1(
),翟丽梅1,雷秋良1,武淑霞1,任天志2
),翟丽梅1,雷秋良1,武淑霞1,任天志2
Responses of Crop Yields, Soil Carbon and Nitrogen Stocks to Additional Application of Organic Materials in Different Fertilization Years
GAI XiaPu1,LIU HongBin1,YANG Bo1,WANG HongYuan1(),ZHAI LiMei1,LEI QiuLiang1,WU ShuXia1,REN TianZhi2
),ZHAI LiMei1,LEI QiuLiang1,WU ShuXia1,REN TianZhi2
图3. 增施有机肥及秸秆还田对土壤氮库容及其变化量剖面分布的影响
“a”表示连续施肥11年后土壤氮库;“b”表示连续施肥27年后土壤氮库;“c”表示土壤氮库变化量（氮库b-氮库a）
Fig. 3. Response of soil total nitrogen (TN) stocks and variations to additional application of organic manure and straw incorporation
“a” represent TN stocks after 11 years fertilizations; “b” represent TN stocks after 27 years fertilizations; “c” represent variations of TN stocks (TN stocksb-a)
