When plants are under stress due to soil conditions (droughts, pH, nutrient deficiencies, compaction etc.) their resistance to pests and diseases are reduced.
Loko swimilani swiri ehansi ka ntshikelelo hikokwalaho ka xiyimo xa misava (dyandza, pH, mpfumaleko wa swakudya, ku gandleka na swin'wana.) ku kondzelela kaswona eka switsotswana na mavabyi swa hunguteka.