Summary
Lucerne plants were inoculated with the vesicular-arbuscular mycorrhizal (VAM) fungus,Glomus caledonius andRhizobium meliloti and grown in pots in voliére. Treatments were 0,1 and 2 mg P added to 100 g of a soil with low P-fertility. Plants were harvested after 6, 9, 13 and 18 weeks, allowing shoots to regrow between harvests. VAM-infection was determined after 6 and 18 weeks, dry weight, concentration and uptake of P and concentrations of N, K, Ca, Mg, Cu and Zn were determined at all harvests.
VAM-inoculation increased growth of shoots, P-concentration and P-uptake at all soil-P levels and the increase was most pronounced at the lowest soil-P level. P-fertilization also increased growth, P-concentration and P-uptake. VAM-inoculation showed tendency to increase N-and K-uptake and decreased Ca-, Mg- and Zn-concentrations in shoots. The uptake ratio of fertilizer-P was increased by VAM.
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Nielsen, J.D., Jensen, A. Influence of vesicular-arbuscular mycorrhiza fungi on growth and uptake of various nutrients as well as uptake ratio of fertilizer P for lucerne (Medicago sativa). Plant Soil 70, 165–172 (1983). https://doi.org/10.1007/BF02374777
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DOI: https://doi.org/10.1007/BF02374777