Abstract
Contamination of groundwater by nitrogen leached from fertilizer on irrigated soils is related to the quantity of nitrate present, the leaching potential based on soil texture and percent depletion of available soil water in the root zone, and the amount of water entering the soil profile. Scheduling irrigation according to available soil water depletion can reduce deep percolation to a certain extent. Grain yields are not appreciably affected by the use of these management practices, while in most cases input costs for fertilizer nitrogen and irrigation water are reduced.
Original language | English (US) |
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Title of host publication | Unknown Host Publication Title |
Publisher | Publ by ASCE |
Pages | 484-493 |
Number of pages | 10 |
ISBN (Print) | 0872626660 |
State | Published - 1988 |
Event | Planning Now for Irrigation and Drainage in the 21st Century - Lincoln, NE, USA Duration: Jul 18 1988 → Jul 21 1988 |
Conference
Conference | Planning Now for Irrigation and Drainage in the 21st Century |
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City | Lincoln, NE, USA |
Period | 7/18/88 → 7/21/88 |
ASJC Scopus subject areas
- General Engineering