Author Details

Sulaeman, Dede, WRI Indonesia, Wisma PMI 3rd Floor, Jl. Wijaya I No. 63, Kebayoran Baru, Jakarta, Indonesia, Indonesia

• Vol 43, No 2 (2021) - Articles
  Development of Quick Test Method for Soil pH, Nitrate, Phosphorus, and Potassium Combining Chemicals and Phone Cellular Application
  Abstract  PDF