Arboriculture Terms

the composition of a fertilizer expressed as a percentage by weight of total nitrogen (N). available phosphoric acid (Pp ). soluble potash (Kp). and other nutrients.

injury to a plant resulting from excess fertilizer salts in the surrounding soil.

the ratio of total nitrogen (N). available phosphoric acid (Pp). and soluble potash (Kp); for example. the ratio of a 3 0-10-10 fertilizer is 3 to 1 to 1