Catchment-based landscape patterns and divisions in mountain areas: A case study of Qixia City in Shandong Province Response of denitrifying bacteria community structure and abundance to nitrogen in paddy fields Tree structure and 3-D distribution of radiation in canopy of apple trees with different canopy structures in China Variation of standard farming system in agro-pastoral transition zones of northern and southern foothills of Yinshan Mountains in recent thirty years On the Conformable Functions of Agroecosystem A Study on the Eco-agricultural Patterns of Households in Hilly Regions Effects of removing low fresh leaf on the quality and economic characteristics of flue-cured tobacco Application of 13C-labeled PLFA analysis in soil microbial ecology studies Effect of INA bacteria on pulp cell ultrastructure of young loquat fruit Effect of tree canopy structure on light condition in almond-winter wheat intercropping systems Response of soil enzyme activity and microbial community structure, diversity to continuous cotton cropping in northern Xinjiang