00321nam a2200097Ia 4500008004100000100003400041245010200075300001300177650001300190650002000203140318s9999    xx            000 0 und d  aMATHEW,A.S. and THOMAS VARKEY  aCalcium and magnesium status of soils and leaves in relation to the root(wilt)disease of coconut.  a54-57 p.  aCOCONUT.  aSOIL NUTRITION.