Effects of different crop rotations on growth of continuous cropping sorghum and its rhizosphere soil micro-environment. Characteristics of phosphate-solubilizing microbial community in the soil of poplar plantations under successive-planting and rotation. Effects of different rotation systems on greenhouse gas (CH4 and N2O) emissions in the Taihu Lake region, China. Effects of different organic fertilizers on soil nematodes in the rhizosphere of rice and wheat cropland Analysis of net ecosystem CO2 exchange (NEE) in the rice-wheat rotation agroecosystem of the Lake Taihu Basin, China Effect of long-term fertilization pattern on weed community diversity in wheat field OPTIMIZATION OF ALKALINE EXTRACTION CONDITIONS FOR ARABINOXYLAN FROM WHEAT BRAN Nitrogen loss and use efficiency of one-time basal application of cattle manure in autumn to a winter wheat–summer maize cropping system on the North China Plain Effect of vegetablepaddy rice rotation system on N and P utilzation characters and their enrichments in vegetable fields Effects of long-term straw mulch and fertilization on crop yields and soil physical and chemical properties under rice-rapeseed rotation Short-term influence of straw return on the contents of soil organic carbon fractions,enzyme activities and crop yieldsin rice-wheat rotation farmland Study on Techniques for Management of Tropical Fuelwoods Variation in Wood Characteristics and Rotatlon Age of Loblolly Pine for Pulpwood Plantation Fertilization-Basic Technical Measures for Short-Rotation Industrial Plantation Management Optimization of enzymatic technology for geniposide by quadratic general rotation design STUDY ON ROTATION AND WATER PRODUCTIVE EFFICIENCY Influence of crop rotation on tobacco bacterial wilt number and pothogenesy Effect of crop rotation on ion accumulation in secondary salinization soil of vegetable field in greenhouse Nitrogen flux and its manipulation in the cropland ecosystem of the North China Plain Ammonia volatilization and control mechanisms in the piedmont of North China Plain Soil nitrate leaching and control methods in the piedmont of North China Plain Effect of tillage pattern on soil greenhouse gases (CO2, CH4 and N2O) fluxes in semi-arid temperate regions Effects of different conservation tillage measures on soil organic carbon pool in two sequence rotation systems of spring wheat and pease Effect of different crop rotation systems and continuous fallow on soil microbial biomass carbon and nitrogen under different fertilizer treatments Allelopathic effect of oxygenic terpenoid on Echinochloa crus-galli L. Ecological defects and countermeasures of Eucalyptus plantation in Fujian Province Effect of sowing date and rate on canopy intercepted photo-synthetically active radiation and yield of winter wheat Effects of the crop rotation of pineapples-sugarcane on soil ecology Paddy soil quality assessment under rice-ryegrass rotation system in red soil region of mid-subtropics Stable carbon isotopes of earthworms to reveal dominant C3 and C4 crop sources and different crop rotation systems in arid and semi-arid areas The assessment of soil degradation in successive rotations of Chinese fir plantation and the soil amelioration of mixed plantation of Chinese fir and broad-leaved Effects of continuous planting rotation on forest structural characteristics and water holding capacity of Eucalyptus plantations Study on the D iameter Distr ibution Model of ShortRotation Euca lypt Plantation Effect of various rotation systems on yield of Angelica sinensis and microbial populations in its rhizosphere The variation of P&N contents in paddy soil water and its environmental effect Effect of long-term fertilization on nitrification and nitrobacteria community in a purple paddy soil under rice-wheat rotations Influence of Rotation on Continuous Cropping Soil Environment and Cucumber Yield Stability analysis of allelopathic effects of Panax notoginseng on main crops by AMMI model Effect of different cropping rotations on enzyme activities in rhizosphere soil and production quality of Angelica sinensis