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Full-Text Articles in Engineering
Leaching Of Accumulated Soil Salinity Under Drip Irrigation, Charles M. Burt, Brett Isbell
Leaching Of Accumulated Soil Salinity Under Drip Irrigation, Charles M. Burt, Brett Isbell
BioResource and Agricultural Engineering
Conducted a reclamation leaching experiment in a drip-irrigated pistachio orchard south of Huron, California, during the winter of 2002-2003. The study was conducted to quantify the leaching water required to remove salts from the effective root zone of trees. This experiment tested a new reclamation leaching technique: multiple lines of low-flow drip tape were used to apply water to the area of salinity accumulation along a tree row. This new technique allows water to be applied where there is salt accumulation along the tree row, as opposed to putting water on the entire area of the field. Since reclamation leaching …
Rapid Field Evaluation Of Drip And Microspray Distribution Uniformity, Charles M. Burt
Rapid Field Evaluation Of Drip And Microspray Distribution Uniformity, Charles M. Burt
BioResource and Agricultural Engineering
The Cal Poly ITRC irrigation evaluation programs have been widely used to assess the global distribution uniformity (DU) of drip and microsprayer irrigation systems. The field procedures and formulas used in the program are presented in this paper. The system DU is estimated by mathematically combining the component DU values. DU components include pressure differences, "other causes" (such as manufacturing variation, plugging, and wear), unequal drainage, and unequal application rates. Results are presented from evaluations by several entities, including Cal Poly ITRC. Cal Poly evaluations of 329 fields provided an average DUlq of 0.85 for drip and 0.80 for …
Row Crop Drip Irrigation On Peppers Study, Charles M. Burt, Stuart Styles
Row Crop Drip Irrigation On Peppers Study, Charles M. Burt, Stuart Styles
BioResource and Agricultural Engineering
High Rise Farms, located just north of Morgan Hill installed a new buried row crop drip irrigation system in 1993. The amount of the CEC loan was $42,700.
The installation of the drip irrigation system on the Peppers did provide significant improvements in the amount of water use, energy required and yield increases especially in the first year of operation (1993) and the third year of operation (1995). The second year of the project (1994) did not have yield increases. The primary lessons learned from this project included:
- The yield differential between drip and the furrow irrigation methods was attributed …