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How much do poor rural households rely on environmental extraction from natural ecosystems? And how does climate variability impact their livelihoods?...
Read moreThis article analyzes the development of ecological farm in Beijing based on the survey of 14 ecological farms. It is shown that most of the farms are...
Read moreAgricultural policies - through Federal commodity, conservation, and crop insurance programs - aim to mitigate the financial risks faced by farmers an...
Read moreIncreasing landscape heterogeneity by restoring semi-natural elements to reverse farmland biodiversity declines is not always economically feasible or...
Read moreCompetition from weeds (Agropyron repens, Stellaria media, Poa annua and others) in the first growing season hastened foliage senescence and reduced b...
Read moreRadiation balance was measured from Oct.-Dec. 1965 in an irrigated cotton crop grown on ridges. During this time crop cover increased from about 10% t...
Read moreThe weed seed populations built up in the top 6 in. of soil in land on which vegetable crops have been grown for long periods, was estimated from soil...
Read moreIn modern crop production, each plant is often nearly genetically identical to its neighbours, allowing insect pests and pathogens to move easily from...
Read moreExchange of carbon dioxide (CO2) from soils can contribute significantly to the global warming potential (GWP) of agro-ecosystems. Due to variations i...
Read moreThis study investigates a voluntary working wetlands pilot program (WWP) in the Prairie Pothole Region of North Dakota focusing on small, temporary an...
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