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4. 增施有机肥及秸秆还田对土壤碳氮比剖面分布的影响
“a”表示连续施肥11年后土壤碳氮比;“b”表示连续施肥27年后土壤碳氮比
Fig. 4. Response of ratios of C to N to additional application of organic manure and straw incorporation
“a”=soil C/N after 10 years fertilizations; “b”=soil C/N after 27 years fertilizations
