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Under irrigation, yields from the soil zones didn’t change when the fertilizer was adjusted to precisely match the perceived needs of each area.

Water management beats precision fertilizing on irrigated land

Higher organic matter gives crops a big nitrogen boost and so it’s better to focus on water management, study finds

It seems fertilizer prescriptions matched to the needs of various areas of a field doesn’t give much of a return under irrigation. That’s the conclusion of an Alberta Agriculture and Rural Development study of responses to applying fertilizer according to the needs of the field’s soil zones. The project included dryland and irrigated fields with […] Read more