Abstract
Hexaploid Trifolium ambiguum M. Bieb. (Caucasian clover cv. Prairie) persisted and dominated in high country plots which received more than 100 kg P/ha at establishment. After 13 years the biomass of coarse roots (rhizomes and tap-roots) amounted to 20 t/ha. The contents of nutrients in the root fractions were approximately five times that in the herbage. This ability to retain nutrients in coarse roots may be a strategy that contributes to the dominance of Caucasian clover on this acid soil. Keywords: nutrients, phosphorus, roots, Trifolium ambiguum
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More From: Proceedings of the New Zealand Grassland Association
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