@article{36f082d922ab4c2eb91efda7039cdfed,
title = "Inhibition of nodulation of lucerne (Medicago sativa L.) by calcium depletion in an acid soil.",
keywords = "medicago, bodem, calcium, zure gronden, kattekleigronden, stikstofbindende bacteri{\"e}n, symbiose, rhizobium, medicago, soil, calcium, acid soils, acid sulfate soils, nitrogen fixing bacteria, symbiosis, rhizobium",
author = "J.W.M. Pijnenborg and T.A. Lie and A.J.B. Zehnder",
year = "1990",
doi = "10.1007/bf00010834",
language = "English",
volume = "127",
pages = "31--39",
journal = "Plant and Soil",
issn = "0032-079X",
publisher = "Springer",
}