Answers are grounded in this paper and cite their sources.
White clover (Trifolium rep ens L.) and four other species were grown in water culture with and without sulphur, and a semi-quantitative comparison was made of the free amino acid contents, using paper chromatography.
No takes yet. Share an insight, caveat, or question.
R. G. COLEMAN (1957) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: