Agricultural and Biological Sciences
8 years ago

Green manure legumes boost soil quality and reduce chemical fertilizer use.

African Journal of Agricultural Research
Biomass yields, soil cover, content and accumulation of nutrients of some green manure legumes grown under conditions of north of Minas Gerais, Brazil.
Rômulo Fredson Duarte, Luiz Arnaldo Fernandes, Regynaldo Arruda Sampaio, Leonardo David Tuffi Santos, Paulo Henrique Grazziotti, Humberto P. Silva

Paper Summary

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Green manure crops can help improve soil quality and sustainability in agriculture. A study in Minas Gerais, Brazil, compared different green manures like sunhemp, pigeonpea, and velvetbeans. Sunhemp and spontaneous vegetation provided the best soil cover. Spontaneous vegetation, sunhemp, and jackbean had the highest biomass production. Sunhemp had the most nutrients like nitrogen, phosphorus, calcium, magnesium, and boron. Spontaneous vegetation had the most potassium and magnesium. Using these green manures can reduce the need for chemical fertilizers.