Effect of different fertilizing methods on nitrogen balance in the black soil for continuous maize production in Northeast China Manufacture,Applying and Effects of Bamboo Bio-fertilizers Ecological Adaptability and Cultivating Techniques of two Festuca Varieties Effects of Fertilizer at Later Growth Stage on Above-ground Biomass in the Alpine Steppe of Tibetan Plateau Corn straw composting in the field and in situ fertilizer effect. Research on Young Seedling Plantation of Fertilizer Trialfor Eucalyptus urophylla at 6 Year-old The Effect of Fertilization on Young Clone Plantation for Eucalyptus urophylla Dynamic simulation of maize main organ morphogenesis Effects of potash fertilizer on nutrient absorption by peanut and its yield and benefit  Effects of N, P and K Fertilizers on yield and fertilizer efficiency of oil sunflower Effect of combined nitrogen and phosphorus fertilizer application of wheat-maize intercropping system Study on the  effects of N, P, K fertilizer in Sesame Growth Response of Superior Provenance of Masson Pine to Phosphorus Supply and Persistence of Phosphorus Effect The characteristics of cluster redpepper in nutrition uptake and its response to N and P fertilizers Nutrition and fertilizer effect of saline soil in China