Monoculture in Agriculture: Extent, Causes, and Problems-report of the Task Force on Spatial Heterogeneity in Agricultural Landscapes and Enterprises
1973 - 64 pages
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acreage agricul agricultural landscapes agricultural production agriculture alfalfa animal area in harvested biological capital changes concentration consumption Corn Belt cost cotton counties crop diversity crop production crop rotation crop species cropland cropping patterns cropping systems culture decrease Department of Agriculture diseases diversified diversity index Ecological economic ecosystems effects efficient energy environment environmental erosion farm farmers favorable feed fertilizer fossil fuel genetic diversity habitat important increased industry insects irrigation labor legumes levels losses Lygus Bugs mechanization million acres modern agriculture monocul monocultural agriculture monocultural systems nematodes niche diversity nitrogen nutrients operation organic farming percent pest management pesticides plant pollution potential practices problems production systems programs reduced region result runoff San Joaquin Valley scale soil soybeans spatial heterogeneity Task Force Tenneco tion trend to monoculture tural ture U.S. Department U.S. Dept United urban varieties vegetation vulnerability weeds wheat wildlife