Agronomic performance, biomass production, and nutrient value of three napier grass cultivars (Pennisetum purpureum) in highland area
Yogi Sidik Prasojo, Viagian Pastawan, Bayu Prasetyo, Mustafa Kamal, Muhammad Khoirul Anwar, Riski Adi Prastyo, Muhammad Iqbal Faruqi and Genki Ishigaki