Fertilization factor has been known to use the largest cost in maintenance post, which is around 30-40% (in agricultural and horticultural land) and 60-75% (in plantation land) of total maintenance cost. Mistake in fertilizer management will have a negative impact on production achievement.
With the increasing area of plantation/agriculture in Indonesia, it is certain that its location is in diverse land conditions (soil and climate), and on the basis of this land diversity, it will be the starting point of the research and development sector in serving land owners with the motto site specific management on fertilization program. Preparation of fertilizer recommendations is an important stage in the integrated fertilizer management process based on land specifics.
