Clay soils are often rich in nutrients, but if the soil pH is too high or low, nutrients may not be in a soluble form for plant roots to absorb.
Inhlabathi yomswakama ivame ukondla izakhi, kodwa uma umhlabathi i-pH iphezulu kakhulu noma iphansi, izakhi zingase zingenaso ifomu elincincikayo yezimpande zezitshalo ukuze zithole.