Wijaya, Devid Khoirul Mukhtar Hadi, Retno Suntari, and Syekhfani Syekhfani. 2022. “Effect of Applying Several Types of Foliar Fertilizers on Total N and K Levels in Leaves and Production of Apple (Malus Sylvestris Mill.) Rome Beauty Varieties in Batu”. Contributions of Central Research Institute for Agriculture 16 (4):104-11. https://doi.org/10.59651/cceria.v16i4.10.