
A field experiment was conducted to compare the productivity and economic returns of potato cultivation under four fertilization treatments: cow dung alone, crushed zebu bones, crushed zebu horn mixed with cow dung, and chemical NPK fertilizer.
31 May 2026
The Mangamila soil is a highly acidic ferralitic soil (pH 3.74), low in nitrogen and potassium, requiring urgent pH correction before any carrot cultivation can be attempted.
31 May 2026