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The Residual Effects of Zinc Fertilization

Leggett, G.E. (1983) The Residual Effects of Zinc Fertilization. In: Proceedings, 34th Annual NW Fertilizer Conference. USA-OR-Portland, 1983/07/12-13.

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The residual value of zinc fertilizer applied to Portneuf silt loam
near Kimberly, Idaho was determined by three methods, a) DTPA-extractable
Zn, b) plant growth and Zn uptake by beans (Phaseolus vulgaris)
grown in a field experiment, and c) plant growth and Zn uptake by beans
grown in a pot experiment on soil taken from field plots previously
fertilized with Zn.

The plant growth and Zn uptake data from the field and pot
experiments indicate that application of 10 lb Zn/A is adequate for at
least three bean crops. DMA-extractable Zn on samples taken in 1983
indicate adequate available Zn for a fourth crop. The soil tests are
still above 1 ppm and they decrease slowly with time. Thus, the single
10 lb Zn/A will likely suffice for several more crops. The experiment
is being continued.

Item Type: Conference or Workshop Item (Paper)
NWISRL Publication Number: 0503
Subjects: Mass Import - unclassified
Depositing User: Dan Stieneke
Date Deposited: 20 Nov 2010 21:57
Last Modified: 19 Jan 2017 18:31
Item ID: 1030