Agricultural systems -- Research -- United States -- Congresses : Ecosystem services : charting a path to sustainability : interdisciplinary research team summaries : conference, Arnold and Mabel Beckman Center, Irvine, California, November 10-13, 2011
Agricultural systems -- United States : Toward sustainable agricultural systems in the 21st century / Committee on Twenty-First Century Systems Agriculture, Board on Agriculture and Natural Resources, Division on Earth and Life Sciences
--subdivisions Virus diseases and Viruses under individual animals and groups of animals, e.g. Cattle--Virus diseases; Cattle--Viruses; Fishes--Virus diseases; Fishes--Viruses
Agricultural wages -- Law and legislation : The Agricultural Holdings (England) Acts, 1883 to 1900 : with explanatory notes and general forms : also the Board of Agriculture and County Court rules and forms : together with the Allotments and Cottage Gardens Compensation for Crops Act, 1887 / by Aubrey John Spencer
1906
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Agricultural wages -- Law and legislation -- Great Britain : The Agricultural Holdings (England) Acts, 1883 to 1900 : with explanatory notes and general forms : also the Board of Agriculture and County Court rules and forms : together with the Allotments and Cottage Gardens Compensation for Crops Act, 1887 / by Aubrey John Spencer
Agricultural wastes as fuel -- Australia. : Biofuel database : a database of energy-related characteristics for Australian biomass : a report for the RIRDC/Land & Water Australia/FWPRDC/MDBC Joint Venture Agroforestry Program / by Wesley Stein and Lasse Tobiasen