Ƙonewar mai amfani

Rashin ƙonewar taki yana faruwa ne lokacin da yin amfani da taki mai yawa, nau'in taki mara kyau, ko ruwa kaɗan tare da taki yana haifar da lalacewar shuka. Kodayake ana amfani da taki don taimakawa shuka girma ta hanyar samar da abubuwan gina jiki, da yawa zai haifar da gishiri, nitrogen, ko ammoniya wanda ke da mummunar tasiri ga shuka. Yawan waɗannan abubuwan gina jiki na iya lalata ikon shuka na photosynthesize da numfashi na sel, yana haifar da ƙonewa. Ƙarfin ƙonewa yana ƙayyade dabarun murmurewa.

 Tarihi 
Fertilizers suna dauke da abubuwan gina jiki waɗanda ke kara girman shuke-shuke ta hanyar kara yawan photosynthesis (tsarin da shuke-tsire ke shan ruwa da abubuwan gina ciki don ƙirƙirar sukari) da numfashi na salula (tsarin wanda aka karya carbon dioxide da sukari don amfani da su azaman makamashi, sakin iskar oxygen). Abinci da ruwa suna shiga cikin shuka ta hanyar membranes na tushen shuke-shuke (kulle da ke raba ciki na sel na tushen daga waje) ta hanyar osmosis (motsi na ruwa da ƙananan abubuwan gina jiki ta hanyar membrane don daidaita maida hankali ga abu a kowane gefen membrane). Rashin ƙonewar mai amfani yana faruwa ne lokacin da amfani da taki ya hana hanyoyin da ke sama daga aiki daidai kuma ya lalata shuka.

 Manazarta 

Rukuni:Shafuka masu fassarorin da ba'a duba ba