Results 251 to 252 of about 2,140,989 (252)

Factors determining soil nutrient distribution in a small-scaled watershed in the purple soil region of Sichuan Province, China

Soil and Tillage Research, 2009
David Weindorf, D S Yu, X Z Shi
exaly  

Impacts of nitrogen (N), phosphorus (P), and potassium (K) fertilizers on maize yields, nutrient use efficiency, and soil nutrient balance: Insights from a long-term diverse NPK omission experiment in the North China Plain

Field Crops Research
Fadong Li, Zhipin Ai, Peifang Leng
exaly