nutrient balance 第1页

Characters of untrient cycles and ways for regulating their balance in south Jiangsu Province N and P balances in farmland ecosystem and their response to fertilizers Balance and control of soil nutrent in agro-ecosystem in the desert oases Characteristics of functional and nutritious soilless culture substrate for vegetables Net nutrient balance in soil under different cultivation pattern and nitrogen application rate in semiarid region Effect of long-term fertilization on crop yield and soil fertility of upland red soil Soil fertility evolution, nutrient balance and reasonable fertilization in paddy field in southern area of Jiangsu Province The Nutrient Balance of the Castanopsis eyrei Forest Ecosystem in the Wuyi Mountains Nutrient balance in rice field ecosystem of northern China Optimized Pattern of agriculture-animal husbandry combination in Songnen Plain of Northeast China Study on parameters of balanced fertilization for winter wheat in cinnamon soil in Northern China Variations of soil nutrient content and fertilization in Guizhou EFFECT OF ORGANIC MANURE ON QUALITIES OF CROPS Evaluation of agricultural soil nutrient balance for Yutian County and Lingxian Experimental Area in Huang-Huai-Hai Plain Nutrient cycling in easily drought farmland ecosystem Effect of micronutrients B and Zn on crop nutrient balance Effects of Soil Types on Contents of Scutellarin and Caffeates in Erigeron breviscapus Nutrient cycling and balance in farmland ecosystem in Bohai Lowland Plain Spatial variability in the content of caffeate and scutellarin of Erigeron breviscapus Characteristics of nutrient balance of different cropping systems in paddy field of red earth Farmland nutrient balance of nitrogen, phosphorus and potassium in Gansu Nitrogen,phosphorus and potassium cycling and balance in farmland ecosystem at the piedmont of Taihang Community structure characters and differences of N₂-fixing and CO₂-fixingbacteria under longterm fertilization in paddy soils of Taihu Lake region, China Nutrient balance between N, P, and K in flue-cured tobacco production under different preceding crops planting. Yield of inbred rice and hybrid rice and soil nutrient balance under long-term fertilization Soil nutrient balance and adjustment under intensive wheat-rice double cropping Effect of phosphogypsum on nutrient balance and membrane defense enzyme of broomcorn in strongly acidic soils Effects of simulated nitrogen deposition on nutrient balance of Chinese fir (Cunninghamia lanceolata) seedlings Effects of nitrogen application rates and straw returning on nutrient balance and grain yield of late sowing wheat in ricewheat rotation. Nitrogen cycling and balance for wheat in China. The changes of nutrient balances driven by adjusting crop structure at county level during 25 years——A case study in Huimin County,Shandong Province