Chemical fertilizer is still used by farmers to increase soil fertility, but its application is harmful to environment. Therefore, many of them use eco-friendly fertilizer, which is known as biofertilizer. Biofertilizer ...

Limbah padat yang di hasilkan oleh industri kelapa sawit di Indonesia mencapai 15,20 juta ton limbah/ tahun. Salah satunya berupa limbah serat buah sawit, apabila tidak di kelola dengan baik akan mencemari lingkungan. Salah ...

The role of organic fertilizer is in the addition of organic matter of the soil and serves as a source of plant nutrients, improving the soil porosity which improves the soil aeration and drainage, increasing the activity ...