Phosphorus and Compost on Potatoes

Compare compost with mineral P fertilizer as a means of supplying P to potato.

IPNI-2001-CAN-AB21

10 Apr 2001

Project Description

    Labs and agronomists in Alberta are uncertain as to what phosphorus recommendations should be used for potatoes. The farmers are usually applying from 120 to 140 lbs/A P2O5, regardless of what the soil test results are.