MASVINGO has adopted cutting-edge mechanical and biological strategies aimed at preserving soil fertility and ensuring food security.
The initiative is being co-ordinated by the Department of Agriculture Engineering, Mechanisation and Farm Infrastructural Development to address the long-standing challenge of land degradation.
Engineer Nyararai Matimba, from Lands, Agriculture, Fisheries, Water and Rural Development ministry, said soil erosion had been a major threat to agricultural productivity, particularly in semi-arid regions like Masvingo.
“For years, we have seen how soil erosion strips our farmlands of their fertility, leaving them vulnerable to reduced yields,” he said.
“Our focus now is on implementing sustainable land management practices that not only prevent erosion but also enhance soil structure and fertility.”
The initiative employs a combination of mechanical and biological techniques to mitigate soil loss.
Among key strategies being implemented is contour ridging, a widely recognised method that helps to slow down water runoff and encourages moisture retention in the soil.
“Contour ridging has proven to be an effective solution in reducing topsoil loss and improving water conservation,” Matimba noted.
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A senior official in the ministry, Mark Matewu, said a significant component of the programme entailed the promotion of vetiver grass, a deep-rooted plant known for its exceptional soil-binding properties.
“Vetiver grass acts as a natural barrier, preventing the movement of soil while also improving organic matter content,” he said.
“It is a low-cost yet very effective solution farmers can easily adopt.”
In addition to contour ridging and vetiver grass, agroforestry is being championed as a long-term solution for soil conservation.
By integrating trees and shrubs into farming systems, agroforestry enhances soil stability, increases biodiversity and provides additional benefits such as shade and improved water retention.
“Agroforestry is a game-changer. It helps in carbon sequestration, improves soil structure and ensures farmers get added benefits like fruits and firewood,” agricultural extension officer Tafadzwa Marufu said.
Government, through the Lands ministry, has said it will expand the soil conservation techniques to other provinces to bolster national food security.
