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http://hdl.handle.net/1903/1502
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| Title: | WATER AND NUTRIENT DYNAMICS IN CONTAINER-NURSERY PRODUCTION SYSTEMS |
| Authors: | Ristvey, Andrew George |
| Advisors: | Lea-Cox, John D |
| Department/Program: | Natural Resource Sciences |
| Type: | Dissertation |
| Keywords: | Agriculture, Plant Culture (0479)
Agriculture, General (0473)
nitrogen, phosphorus, uptake efficiency, irrigation |
| Issue Date: | 30-Apr-2004 |
| Abstract: | Water quality remains a predominant issue within the Chesapeake Bay watershed, and nutrient loading continues to undermine the progressive recovery of this ecosystem. Until recently, the ornamental plant industry has had little information to develop better management practices to increase the efficiency of water and nutrient applications. This research used an integrated approach to examine container- production systems, to develop recommendations to increase nutrient uptake efficiency and reduce runoff.
A 40-month field study examined the effects of various cultural practices on irrigation and nutrient uptake efficiencies. Under cyclic scheduling, drip irrigation applied 3 to 4.5 times less water than overhead irrigation and had significantly less runoff when plants were spaced at low densities. While drip irrigation is significantly more efficient, overhead irrigation is more practical and economically feasible for most small container-nursery stock. Time Domain Reflectomet... |
| URI: | http://hdl.handle.net/1903/1502 |
| Appears in Collections: | Plant Science & Landscape Architecture Theses and Dissertations
UM Theses and Dissertations
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| File |
Description |
Size | Format | No. of Downloads |
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| umi-umd-1462.pdf | | 4210Kb | Adobe PDF | 407 | View/Open |
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