Phosphorus fertilizer  第1页

Effects of phosphorus application on changes in soil phosphorus under wheat/maize/soybean strip relay intercropping system Effect of combined nitrogen and phosphorus fertilizer application of wheat-maize intercropping system Research progresses of farmland microorganisms in fluvo-aquic soil of China Effects of combined application of silicon and phosphorus fertilizers on dry matter accumulation and distribution and grain yield of spring maize in low phosphorus soils Effect of Zn and P supply on grain Zn bioavailability in wheat