Pertumbuhan dan Produksi Tanaman Kacang Kedelai (Glycine max (L.) Merril) den…

Soybean (Glycine max (L.) Merrill) is one of the food crop commodities that play an important role in meeting national food needs, soybeans are one of the sources of vegetable protein that is quite affordable, when compared to other protein sources. This research aims to study the interaction effect and main factors of Petroganic and NPK fertilizers and to find the best combination of Petrogani…