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Citation: Rr. Van Der Ploeg et al., On the origin of the theory of mineral nutrition of plants and the law of the minimum, SOIL SCI SO, 63(5), 1999, pp. 1055-1062

Authors: van der Ploeg, RR Kirkham, MB Marquardt, M

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Authors: van der Ploeg, RR Ehlers, W Sieker, F

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