Ci gaban noman kore dole ne a fara magance matsalar gurɓacewar ƙasa.Matsalolin gama-gari a cikin ƙasa sun haɗa da: ƙaƙƙarfan ƙasa, rashin daidaituwa na ma'adinai na ma'adinai, ƙarancin abun ciki na kwayoyin halitta, Layer noma mara zurfi, acidification ƙasa, salin ƙasa, gurɓataccen ƙasa da sauransu.Don yin t...
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