kũnyihagĩa
- to reduce, decrease. To reduce, decrease. To lessen, diminish, or lower in amount, number, or intensity; commonly used in agriculture to describe reduction of pests, populations, or production levels.
Example: Hũthĩra thũũ cia kĩĩmerera ta cryptolaemus montrouzieri, Verticillium Lecanii iria inyihagia ngũcĩ. (Introduce natural enemies such as. Cryptolaemus montrouzieri, Verticillium lecanii to reduce population of scales in the ecosystem.); Irio itarĩ na fibre ya kũigana inyihagia acetate ĩrĩa ĩthodekaga maguta ma iria. Ũndũ ũtũmaga iria rĩkahana ta riongereiro maaĩ. (A diet that is low in fibre will lead to low levels of acetate in milk and thus low levels of milk fat. As a result, the milk appears watery.); Ningĩ mĩrimũ ya ng'ombe cia iria nĩ inyihagia maciaro kaingĩ na njĩra ya kũnyihia matukũ marĩa ng'ombe ĩikaraga ĩngĩciaraga na ĩkanyia iria. (Furthermore, diseases commonly affect dairy cow productivity by decreasing reproductive efficiency, shortening the expected length of productive life, and lowering milk production.)