Before revision: Sesbania Sorghum Soybean Sudangrass Sunn hemp, a legume widely grown throughout the tropics and subtropics Winter field bean Velvet bean (Mucuna pruriens), common in the southern US during the early part of the 20th century, before being replaced by soybeans, popular today in most tropical countries, especially in Central America, where it is the main green manure used in slash/mulch farming practices Vetch (Vicia sativa, Vicia villosa) History We have been using green manures since ancient times.
After revision: Sesbania Sorghum Soybean Sudangrass Sunn hemp, a legume widely grown throughout the tropics and subtropics Winter field bean Velvet bean (Mucuna pruriens), common in the southern US during the early part of the 20th century, before being replaced by soybeans, popular today in most tropical countries, especially in Central America, where it is the main green manure used in slash/mulch farming practices Vetch (Vicia sativa, Vicia villosa) History Green manures have been used since ancient times.