Analysis on structure succession of farmland ecosystems and its function change in Luancheng County Energy Flow in Winter Wheat-Corn Farmland Ecosystem Under Conservational Tillage System Nitrogen,phosphorus and potassium cycling and balance in farmland ecosystem at the piedmont of Taihang Research advance of environmental fate of herbicide atrazine and model fitting in farmland ecosystem Cycling and balance of zinc in farmland ecosystem of the Jiang-Han Plain in Hubei Province Dew condensation rules in farmland ecosystem in Sanjiang Plain Health status evaluation of the farmland supply function at county level in Hebei Province A review on rare earth elements in farmland ecosystem Nutrient cycling and balance in farmland ecosystem in Bohai Lowland Plain Balance of Boron in Farmland Ecosystem in Calcareous Alluvial Soil of Jianghan Plain in Hubei Province The dynamics of nitrate nitrogen leaching through soil in high-yield farmland ecosystem N and P balances in farmland ecosystem and their response to fertilizers Cycling and balance of copper in farmland ecosystem of Jianghan plain in Hubei Province Evaluation of ecological service value of rice-wheat rotation ecosystem Carbon fixation by farmland ecosystems in China and their spatial and temporal characteristics Nutrient cycling in easily drought farmland ecosystem Seasonal dynamics of soil respiration and carbon budget of maize (Zea mays L.) farmland ecosystem Research on the temporal-spatial differences of carbon sources and sinks of farmland ecosystems of Hexi oasis in Gansu STUDIES ON EVOLUTION MECHANISM AND CONTROL STRATEGY FOR FARMLAND ECOSYSTEM IN LONGJING COUNTY Dynamic analysis of farmland ecosystem service value and multiple regression analysis of the influence factors in Minqin Oasis Effects of straw incorporation and N fertilization on soil respiration during maize (Zea mays L.) growth in Huanghuaihai Plain Effects of long-term fertilization on As (arsenate) accumulation intypical fluvo-aquic soils and crops RESEARCH AND PROSPECTS FOR SOIL RESPIRATION OF FARMLAND ECOSYSTEMS IN CHINA Effects of biochar on soil nutrients leaching and potential mechanisms: A review. An Ecological study on earthworm in farmland of salinity transforming area in north China plain Optimizing the external energy input into farmland ecosystems of Deqing County, Zhejiang Province