Internal Dry Scale and Associated Bulb Rots of OnionPublished May 2016
Drip Irrigation Guide for Onion GrowersRevised Jan 2013
This publication is designed to assist growers and crop advisors in producing a high-quality crop while protecting the environment from excess nutrients. Contains information on how onions grow; timing and amount of crop nutrient uptake; keys to managing nitrogen efficiently; ways to monitor crop N status during the growing season; how to assess the need for P, K, S, and micronutrient fertilization; fertilizer sources and application methods; and how to assess the need for lime on sandy soils in the Columbia Basin.
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