相同气候背景下南北方稻田土壤上水稻生长及氮响应差异研究

黄秋红,刘智蕾,李鹏飞,车俊杰,于彩莲,彭显龙

Difference in Nitrogen Responses and Nitrogen Efficiency of Different Paddy Soils in Southern and Northern China Under the Same Climatic Condition

HUANG QiuHong,LIU ZhiLei,LI PengFei,CHE JunJie,YU CaiLian,PENG XianLong

表1 盆栽供试土壤的基本理化性质

Table 1 Average values for selected soil chemical properties of pot experiment

地点 Location 土壤类型 Soil type 有机质 Organic (g·kg-1) 全氮 Total N (g·kg-1) 速效磷 Available P (mg·kg-1) 速效钾 Available K (mg·kg-1) pH 黑龙江 Heilongjiang 黑土型水稻土 Black paddy soil 35.8 1.74 16.0 136 5.26 江苏 Jiangsu 乌栅土型水稻土 Gleyed paddy soil 37.9 1.85 4.79 136 7.02