00564nam a22001697a 4500003000400000008004100004020001500045082001800060245009900078260005900177300001300236440003800249650003400287650003900321650001700360700001700377OSt221129b        |||||||| |||| 00| 0 eng d  a0891187847  a631.422bB87S  aSoil Testing : sampling, correlation, calibration and interpretation / cedited by J. R. Brown  a.- U. S. A.b: Soil Science Society of Americac, 1987  aix,144p.  aSSSA Special Publications; no. 21  aTechnology (Applied Sciences)  aAgriculture and Related Technology  aSoil Testing  aBrown, J. R.