01292nam a2200313 a 4500999001900000001000800019003000500027005001700032008004100049010001700090020001500107040001300122043001200135050002000147082001400167245013300181260005500314300003300369500007300402501000800475504004100483650007200524650008200596650006200678710006700740906004500807942001800852952010800870  c332409d3324094854387NUST20171204101315.0910628s1991    dcua     b    100 0 eng    a   91062492   a0309045789  aDLCcDLC  an-us---00aS541b.S87 1991  a632.6 NRC00aSustainable agriculture research and education in the field :ba proceedings /cBoard on Agriculture, National Research Council.  aWashington, D.C. :bNational Academy Press,c1991.  aix, 437 p. :bill. ;c23 cm.  aPapers based on a workshop held in Washington, D.C., Apr. 3-4, 1990.  aP.B  aIncludes bibliographical references. 0aSustainable agriculturexResearchzUnited StatesxCongresses.96898 0aSustainable agriculturexStudy and teachingzUnited StatesxCongresses.96899 0aSustainable agriculturezUnited StatesxCongresses.969002 aNational Research Council (U.S.).bBoard on Agriculture.96901  a7bcbccorignewd2eopcnf19gy-gencatlg  2ddccBKkIESE  00102ddc40708NFICaIESEbIESEcGENd2017-12-04l0o632.6 NRCpIESE-2523r2017-12-04w2017-12-04yBK