نتایج جستجو برای: urban agriculture

تعداد نتایج: 232465  

Journal: :Canadian Food Studies / La Revue canadienne des études sur l'alimentation 2019

1998
Ralph J. Alig Michael R. Dicks Robert J. Moulton

Since 1952, U.S. timberland has decreased by about 20 million acres, with about one-quarter of the reduction in the South. Although some of the timberland has been converted to urban and developed uses, larger amounts of land shifted uses between forest and agriculture because of changes in product markets and policy conditions. We summarize area trends for major land uses, examine recent polic...

Journal: :JOURNAL OF RURAL PLANNING ASSOCIATION 1990

Journal: :Journal of Central European Agriculture 2013

Journal: :Frontiers in Sustainable Food Systems 2020

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