00745nam a22002297a 4500003000400000008004100004020001500045082001700060245014500077250001200222260005900234300001500293650003400308650004100342650001000383650001700393650001300410700001700423700002100440700003600461700001800497OSt230914b        |||||||| |||| 00| 0 eng d  a0632002093  a632.58bF95W  a Weed Control Handbook : principles, including plant growth regulators / cedited by J. D. Fryer; editorial assistant J. H. Fearon; Volume l  a6th ed.  a.- Londonb: Blackwell Scientific Publicationsc, 1977  axvii,510p.  aTechnology (Applied Sciences)  aAgriculture and Related Technologies  aWeeds  aWeed Control  ahandbook  aFryer, J. D.  aMakepeace, R. J.  aBritish Crop Protection Council  aFearon, J. H.