00572nam a2200169Ia 4500008004100000082002700041100001700068245006600085260002000151300001300171490002700184600001600211650004400227942000700271952010700278999001700385140224s9999 xx 000 0 und d a631.42:631.816(047) L3 aHauser, G.F. aThe caliberation of soil tests for fertilizer recommendations aRomebFAOc1973 avii,71p. aFAO Soils Bulletin, 18 aG.F. Hauser aSoil Chemistry,Fertilizers and Manures. cBK 00104070aKSDbKSDd2014-02-24l0o631.42:631.816(047) L3p3825r2014-02-24 00:00:00w2014-02-24yBK c96403d96403