There are a number of challenges to soil covering that includes: Short growing season in the semi-arid limits the growth of green manures and cover crops
Pali zovuta zingapo zokhuza kuphimbira nthaka monga: nyengo yolimira yayifupi mmadera ochepa mvula limachpetsa kukula kwa mitengo yamanyowa komanso mbeu za mphimbira