Business
Soil Depletion, Threat To Food Security – Experts
Experts have raised concern over the pressure on the soil, leading to its depletion which by implication threatens food security in the face of surging population.
A document released by the United Nations Food and Agriculture Organization (FAO), the Soil Science Society of Nigeria and the Nigeria Institute of Soil Science (NISS), said in the face of climate change and human activity, the soils are being degraded, putting excessive pressure on water resources.
The document said sustainable soil management practices, such as minimum tillage, crop rotation, organic matter addition, and cover cropping, improve soil health, reduce erosion and pollution, and enhance water infiltration and storage.
It said these practices also preserve soil biodiversity, improve fertility, and contribute to carbon sequestration, playing a crucial role in the fight against climate change.
Furthermore, the document said soil is an essential resource and a vital part of the natural environment from which most of the global food is produced.
It noted that soils are directly and indirectly involved in the provision of most ecosystem services vital for humans, including food production, which is fundamental for food security and sovereignty.
“That is soil provides living space for humans, as well as essential ecosystem services which are important for water regulation and supply, climate regulation, biodiversity conservation, carbon sequestration and cultural services.
“Soils are directly and indirectly involved in the provision of most ecosystem services vital for humans, including food production, which is fundamental for food security and sovereignty”.
“Soils are the basis for producing more than 95 percent of our food, according to the analysis of data available in FAOSTAT (FAO, 2022). But soils are under pressure from increases in population, higher demands for food and competing land uses.
“Over 33 percent of agricultural land is degraded due to erosion, loss of organic carbon and biodiversity, salinization, acidification, compaction, and nutrient imbalance, among other causes (FAO and ITPS, 2015)”, the document said.
It stated that healthy soils are essential for our survival. They support healthy plant growth to enhance both our nutrition and water percolation to maintain groundwater levels, and it helps to regulate the planet’s climate by storing carbon and are the second largest carbon sink after the oceans.
“They help maintain a landscape that is more resilient to the impacts of droughts and floods. As soil is the basis of food systems, it is no surprise that soil health is critical for healthy food production.
“Basic grains, oilseeds, sugar, vegetables, nuts and fruits directly rely on soils, and livestock meat and products, such as eggs and dairy products, are supported by animal feeds that also grow in soils. When produced by healthy and fertile soils, these foods are wholesome and nutritious.
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