Figure 2d. Variation in NPK supply potential over the study area

From

Soil fertility Evaluation for the Potential Coffee Areas in Morogoro and Mvomero Districts, Eastern Tanzania

MARO Godsteven P., MBWAMBO Suzana G., MONYO Harrison E., MOSI Epafra J.

World Journal of Agricultural Research. 2020, 8(2), 23-31 doi:10.12691/wjar-8-2-1