Available nitrogen 第1页

Analysis on influence factors for scale effect of soil nitrogen in hilly region Correlation analysis of spatial variability of Soil available nitrogen and household nitrogen inputs at Pujiang County Study on Soil Available Nitrogen Boundaries of Farmland-grassland Mosaic in Agro-pastoral Transition of North China Spatial characteristics of soil available nutrients in the major grain-producing region of Xi’an,  China Effect of cultivation on soil organic carbon and total nitrogen accumulation in Cele oasis croplands and their relation to crop yield Short-term effects of night warming and nitrogen addition on soil available nitrogen and microbial properties in subalpine coniferous forest, Western Sichuan, China ASSESSING SOIL NITROGEN AVAILABILITY IN DINGHUSHAN MONSOON EVERGREEN BROADLEAF FOREST BY ION EXCHANGE RESIN BAG METHOD Dynamic Change of Groundwater Level in Waterlogged Gleyed Paddy Soils in Hilly Red Soil Region and Its Effects on Availability of Soil Nitrogen and Phosphorus Study on temporal and spatial characteristics of available soil nitrogen,phosphorus,and potassium among the forest ecosystem of Mt.Jinyun Spatial variability of soil nutrients in cultivated surface soil of Sujiatun District, Shenyang City Dynamics on soil available nitrogen in organic layer and its responses to carbon and nitrogen supply in two subalpine coniferous forests of western Sichuan Yield of Silage Corn (Zea mays L.) and N Utilization Efficiency As Effected by Slow-Release Nitrogen