Colombia: A study revealed that long onion is better produced with polycultures

Published 2021년 7월 22일

Tridge summary

A study led by the National University of Colombia has found that planting long or branch onions with other crops such as potatoes, lettuce, or carrots can improve biodiversity in agro-ecosystems. The study, conducted in collaboration with farmers and the Agricultural College, also found that polyculture, biological controls, and organic fertilizers not only enhance soil fertility but also prevent pests, reducing the need for harmful pesticides. Despite a decrease in individual production, the results show a greater contribution to food sovereignty and the conservation of ecosystem services.

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Original content

A project carried out by the National University revealed that planting long or branch onions, accompanied by other crops such as potatoes, lettuce or carrots, contributes to the biodiversity of agro-ecosystems, since it dampens the disturbing effects on the soil, among other benefits. . The coordinator of the project carried out at the National University of Colombia (UNAL) Palmira Headquarters, Diego Iván Ángel, explains that “polyculture is a practice that consists of the planting of different species on the ground, either intercropped or in stripes ”. On the other hand, Ángel explains that the purpose of the initiative is to deepen the use of polycultures, their contribution to the care of the soil and its fertility, the prevention of pests and production. For this reason, with the participation of farmers and some professors and students from the Agricultural College, various ecological practices are being evaluated in the township of Tenerife, Valle del Cauca: polyculture, ...

Source: Redagricola