Nitrogen fertilization of potatoes

descriptionPublicationkeyboard_double_arrow_right Article 01 Sep 1958 English Publisher:Springer Science and Business Media LLCJournal:American Potato Journal, volume 35, pages 645-650 (issn: 0003-0589, eissn: 1874-9380,

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Authors: R. L. Sawyer; S. L. Dallyn;

doi: 10.1007/bf02855445

Nitrogen fertilization of potatoes

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Abstract

1. Yield increases under irrigated Long Island conditions were obtained with applications up to 210 pounds of nitrogen per acre with Cobbler and Katahdin varieties. 2. Nitrogen distribution had little effect on yield as long as vines were allowed to go to maturity. 3. When less than 70 pounds of the total nitrogen was applied at planting, maturity was delayed. 4. In general, the earlier the nitrogen was applied the higher was the specific gravity. 5. The nitrogen sources gave similar responses in all determinations made.

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Cornell University
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