A study on nutrient components and total yield of winged bean plant (Psophocarpus tetragonolobus (L.) DC.) by cultivars and fertilizer levels applied

abonos ash content contenido de ceniza crude fat crude fibre crude protein engrais fertilisation fertilizer application fertilizers fibra bruta fibre brute graisse brute grasa bruta nutrientes nutrients proteina bruta psophocarpus tetragonolobus substance nutritive teneur en cendres variedades varieties