Some tree species play a vital role in sustaining and improving crop yields by helping to improves oil structure and fertility, reducing soil erosion and providing shade
Mitundu ina yamitengo imathandiza pagawo lalikulu losunga komanso kupititsa patsogolo zokolola pothandiza kukonza mthaka ndi chonde, kuchepetsa kukokoloka kwa mthaka komanso kupeleka mthunzi