Plant Petiole Analysis

Petiole testing for mobile nutrients

This test measures:

N, P, K, S, Ca, Mg, Na, Fe, Mn, Cu, Zn, B + NO3-N

Best time to run this test:

Appropriate sampling time as suggested by information on the crop.

Description

For grapes at flowering and potatoes during early season development (50 days after emergence) Petiole Analysis is recommended. Refer to the plant sampling guide for the appropriate sampling time or growth stage and the quantity of plant petioles to collect.

Benefits

Petiole testing targets the mobile nutrients e.g. N, P, K and Mg.

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