Olsen-P 第1页

Response of Olsen-P to P balance in cinnamon soil under long-term fertilization N and P accumulation status and their leaching potential in vegetable fields in Fujian Province Effect of low-molecular-weight organic acids on Olsen-P in red soil and black soil Soil Phosphorus Balance and Changes of Olsen-P of Black Soil under Long-term Conventional Fertilization The evaluation of phosphorus leaching risk of 23 Chinese soils Ⅰ. Leaching criterion Effects of understory removal and nitrogen addition on the soil chemical and biological properties of Pinus sylvestris var. mongolica plantation in Keerqin Sandy Land. Effect of arbuscular mycorrhizal fungi on P uptake of maize (Zea mays L.) under different growing density Effects of fertilization and mulching with plastic film on profile distribution and dynamics of Olsen-P in brown earth Yield and nutrient balance of lettuce as influenced by reduced and optimized nitrogen application Effects of long-term application of organic fertilizer and superphosphate on accumulation and leaching of Olsen-P in Fluvo-aquic soil. Soil phosphorous accumulation in long-term P fertilization paddy field and its environmental effects Response of Olsen-P to P balance in yellow soil upland of southwestern China under long-term fertilization. Effects of phosphorus application on changes in soil phosphorus under wheat/maize/soybean strip relay intercropping system