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Yield and profitability of corn and soybean under different tillage in the black soils of Northeast China Effect of agronomic measures on population dynamics of sweet potato stem nematode (Ditylenchus destructo) Application of rural household survey to returned cropland to forest or grassland project—A case study of Huangfuchuan Watershed Advances in the investigation of triticeae crop allelopathy and molecular ecology The status and perspective of research on crop molecular ecology Allelopathy of Angelica sinensis at vegetative stage Quantitative studies on soil macropores under artificial Chinese pine(Pinus tabuleaformis Carr.)forest in loess hilly region Analysis on landscape structure of orchard and non-irrigable cropland in the typical basins of Shandong Peninsula Effect of cropland ecological conditions on soil nutrient and humic acid characteristics of gray desert soil Evaluation of ecological and economic benefits of crop production in Jiangsu Province Effect of power plant smoke on soil and crop Crop yield and fertilizer contribution under different fertilization systems Interaction between exogenous Bt gene and secondary metabolites of crop Impact of stalk mulching on the microclimate of intercropping ecosystems in upland red soil Improvement of iron nutrition of chlorosis peanut by intercropping with wheat Effect of cropping system on the manganese in lime concretion fluvo-aquaic soils The cropping system for facility agriculture on Loess Plateau Effects of returning crop straw into Vertisol on the physical and chemical prope rties and availability of manganese, zinc, copper Review on studies on the important role of symbiotic nitrogen fixation in agricu lture and livestock production and the factors affecting its efficiency Application of allelopathy on the continuous cropping of cucumber in horticulture establishments Studies on the characteristics of photosynthetically active radiation under intercropping of wheat and maize Effects of the mixing way of different pastures and crop straws on the nutritive characteristics and utilization efficiency of forage Carbon fixation by farmland ecosystems in China and their spatial and temporal characteristics The Potential Application of microRNA-mediated Gene Regulation in Crop Improvement A study of the spectral variations of solar radiation inside and outside the inter crop system of Paulownia trees and wheat crop Study on calorific value and energy dynamics of Puccinellia tenuiflora in Songnen grassland Effects of non-flooded mulching cultivation and N rates on productivity and N utilization in rice-wheatcropping systems Risk Assessment and Ecological Effects of Transgenic Bacillus thuringiensis Crops on Non-Target Organisms Transformation of Wheat with a Gene Encoding for the Betaine Aldehyde Dehydrogenase(BADH) COMPARISON OF SOIL RESPIRATION IN BROAD_LEAVED KOREAN PINE FOREST AND RECLAIMED CROPLAND IN CHANGBAI MOUNTAINS, CHINA DIFFERENCES OF Pb ACCUMULATION AMONG PLANT TISSUES OF 25 ZEA MAYS VARIETIES A PRELIMINARY STUDY ON THE RE_INITIALIZATION/RE_PARAMETERIZATION OF A CROP MODEL BASED ON REMOTE SENSING DATA The Influence of Cropping Systems on Weed Communities in the Cotton Fields of Jiangsu Province A Study on Relationship Between the Seed Crop in the Chinese Fir Orchards and Meteorological Factors Studies on Reproduction Diversity in Potamogeton pectinatus The Applicability Research of WOFOST Model in North China Plain Micro-Environmental Effects and Productivity of Complex Crop Communities in the Wheat/Corn Corn Crop Patterns in Huanghuaihai Plain Studies on Chemical Constituents of Fritillaria thunbergii Miq. Genetic Transformation in Triticeae Crops Studies on the Chemical Constituents of Rourea microphylla (Hook. et Arn) Planch. Physiological and ecological effects of inter-and mixed cropping rape with milk vetch Relationships of Aulacophora beetles feeding behavior with cucurbitacin types in host crops Allelopathy of Pseudomonas fluorescens:A preliminary study Dynamics of soil nitrogen,phosphorus and organic matter in alfalfa-crop rotated farmland in semiarid area of Northwest China Effects of no-tillage plus inter-planting and remaining straw on the field on cropland eco-environment and wheat growth Dynamics of soil phenols in continuous cropping solar greenhouse and their effects on disease resistance-related enzyme activities in cucumber root Effect of long-term fertilization on crop yield and soil fertility of upland red soil Evaluation of agricultural net primary productivity in Yijinhuoluo County,Inner Mongolia Effect of reduced N application on N utilization and balance in winter wheat-summer maize cropping system Effect of crop-residue incorporation on soil CO₂ emission and soil microbial biomass Effects of peanut mixed cropping with different gramineous plants on apoplast iron accumulation and reducing capacity of peanut. Nitrogen flows in"crop -edible mushroom"production systems in Hexi Corridor Oasis Irrigation Area Induction effects of jasmonic acid on tannin content and defense-related enzyme activities in conventional cotton plants Evaluation technology on drought disaster to yields of winter wheat based on WOFOST crop growth model Effects of maize‖peanut intercropping on photosynthetic characters and yield forming of intercropped maize Intercropping enhances the farmland ecosystem services Influence of submerged macrophytes on phosphorus transference between sediment and overlying water in decomposition period Spatial heterogeneity of soil moisture across a cropland-grassland mosaic：a case study for agro-pastural transition in north of China Progress on techniques for partitioning soil respiration components and their application in cropland ecosystem Effects of shrub encroachment on biomass and biodiversity in the typical steppe of Inner Mongolia Relationship between rhizosphere microbial community functional diversity and faba bean fusarium wilt occurrence in wheat and faba bean intercropping system Dynamics of atmospheric ammonia concentrations near different emission sources Nitrogen flows in intensive "crop-livestock" production systems typically for the peri-urban area of Beijing The Translocation, Distribution and Accumulation of Heavy Metals in Crops-Soil System in the Eastern Suburbs of Beijing TOXIC EFFECTS OF POTASSIUM CHLORATE ON PEANUT GROWTH Chemical Components from the Root of Scrophularia ningpoensis Effects of incoporation amounts of Chinese milk vetch on nutrient uptake and yield of single cropping late rice Effects of different cultivation patterns on microorganism of soil rhizosphere in sugarcane fields Potassium balance and pool as influenced by long-term fertilization under continuous winter wheat–summer maize cropping system in a manural loess soil Effects of rotation and intercropping systems on yield, quality of flue-cured tobacco and soil nutrients Characteristics of nutrient uptakes and powdery mildew incidence of different resistant wheat cultivars intercropping with faba bean Study on the dynamic of soil phosphorus in the transitional areas of grasslands and crop fields Effect of intercropping potatoes with oats on the photosynthetic characteristics and yield of potato Effect of nitrogen fertilizer on dry matter accumulation and yield in wheat/maize/soybean intercropping systems Iridoid Glycosides from Pedicularis dolichocymba Hand.-Mazz. New records of orchids from Hainan, China Macropore characteristics and its relationships with the preferential flow in broadleaved forest soils of Simian Mountains. Effects of sewage sludge application on leaf photosynthesis and plant growth of Buxus microphylla. Evapotranspiration characteristics and crop coefficient of rain-fed maize agroecosystem. Carbon storage of poplar-crop ecosystem in Eastern Henan Plain.