01129naa a2200145 a 450000100080000000500110000800800410001910000180006024501810007826000090025952006440026865000090091270000160092177300460093716484762023-05-04       1965    bl uuuu     u00u1 u    #d1 aMARTIN, J. P.  aInfluence of high and low exchangeable Mg and Ca percentages at different degrees of base saturation on growth and chemical composition of citrus plants.h[electronic resource]  c1965  aThe extensive literature on soil-plant-Mg relationships was reviewed in 1955 by Jacob 14. At that time, it had been definitely established that Mg-deficiency was most common in acid sandy soils containing very small quantities of extractable Mg or large quantities of exchangeable K. It was generally agreed that K antagonized Mg-absorption by plants but investigators disagreed concerning Mg-Al or H and Mg-Ca antagonisms. Ferrari and Sluijsmans 10, for example reported that oats absorbed less Mg from soils with pH values below about 4.8 whereas Albrecht and Schroder 2 noted that spinach absorbed greater amounts of Mg from acid soils.  aSolo1 aPAGE, A. L.  tPlant and Soilgv.22, n.1, p.65-80, 1965.