黑土旱地改稻田土壤水稳性团聚体有机碳和全氮的变化特征
马原,迟美静,张玉玲(
),范庆峰,虞娜,邹洪涛
),范庆峰,虞娜,邹洪涛
Change Characteristics of Organic Carbon and Total Nitrogen in Water-Stable Aggregate After Conversion from Upland to Paddy Field in Black Soil
MA Yuan,CHI MeiJing,ZHANG YuLing(),FAN QingFeng,YU Na,ZOU HongTao
),FAN QingFeng,YU Na,ZOU HongTao
图1. 旱地改稻田后不同年限土壤团聚体组成
数值为平均值±标准误。* ,**,***,ns 分别表示为0.05,0.01,0.001水平显著和不显著。下同
Fig. 1. Soil aggregate size composition after conversion from upland to paddy field for different years
Values are mean±standard error (n=3). With P<0.05(*), P<0.01(**), P<0.001(***), non significant (ns). The same as below
