Synopsis Green manure crops of sweetclover, field peas, and winter rye grown during part of the fallow period had no beneficial effects on dryland wheat yields, test weight, or protein content, There was no evidence that continued use of green manures materially affected soil nitrogen or carbon content.
No takes yet. Share an insight, caveat, or question.
Army et al. (1959) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: