Pesticides should only be used if the level of the pest/ disease is at or exceeds the economic threshold level (value of crop saved crop exceeds the cost of control
Mankhwala ophera tizilombo agwiritsidwe ntchito pokhapokha ngati mulingo wa tizilombo kapena matenda wafika kapena wapyola mulingo wachuma chomwe chingadze ku mbewu (ngati ndalama zomwe mbewu zingabweretse zikupyola ndalama zogwiritsa ntchito kuthana ndi tizilombo)