เพื่อป้องกันการใส่ปุ๋ยเกินไปสำหรับปาล์ม เราสามารถแบ่งสภาพของดินต่อไปนี้
Interpretation of soil nutrients status for fertilizer recommendations
Reference
Goh, K.J. (2005). Fertilizer recommendation systems for oil palm: estimating the fertiliser rates. In: Chew, P.S. and Tan, Y.P. (eds) Proceedings of MOSTA Best Practices Workshops - Agronomy and Crop Management. Malaysian Oil Scientists' and Technologists' Association (MOSTA): 235-268.
Goh, K.J. (2005). Fertilizer recommendation systems for oil palm: estimating the fertiliser rates. In: Chew, P.S. and Tan, Y.P. (eds) Proceedings of MOSTA Best Practices Workshops - Agronomy and Crop Management. Malaysian Oil Scientists' and Technologists' Association (MOSTA): 235-268.
It is recommended that bunch ash is applied around the weeded circle to palms 4 -7 YAP, and outside the weeded circle in palms >7 YAP .reference