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Crop response and nitrogen availability as a function of climate variable-rate nitrogen application and every and alternate-furrow irrigation






National irrigation symposium Proceedings of the 4th Decennial Symposium, Phoenix, Arizona, USA, November 14-16, 2000: 501-512

Crop response and nitrogen availability as a function of climate variable-rate nitrogen application and every and alternate-furrow irrigation

Nitrogen leaching below furrow-irrigated ground has caused nitrate contamination in Nebraska's (USA) groundwater. Alternate-furrow surface irrigation and alternate-furrow nitrogen fertilization is proposed as a method to increase water-use efficiency and decrease nitrogen leaching. Nitrogen (N) was applied at a uniform- and variable-rate based on spring grid sampling for nitrate. The experiment was conducted at three sites across Nebraska representing a range of growing conditions.


Accession: 003395450



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