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Drip Irrigation of Processing Tomatoes

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978 1601 074362
1.00 LBS
Calculated at checkout

Product Description

Drip irrigation can deliver water and chemicals more precisely and uniformly at a higher frequency of application than can furrow and sprinkler irrigation, It can increase yield and revenue, reduce water and fertilizer costs, and decrease cultural costs compared with the other irrigation methods, and it can also curtail diseases such as Phytophthora root rot in tomatoes that frequently occur under furrow and sprinkler irrigation in fine-textured soil. A comparison of subsurface drip irrigation and sprinkler irrigation in salt-affected soil of the west side of the San Joaquin Valley found drip irrigation of processing tomatoes to be highly lucrative, generating profits that were $369 to $604 per acre higher than under sprinkler irrigation, mainly because of drip irrigation's higher yields (Hanson and May 2003 and 2004). The main disadvantage of drip irrigation is its capital cost, which can be up to about $1,000 per acre.

Realizing the potential of drip irrigation requires that systems be designed and maintained to apply water with high uniformity and be managed for high irrigation efficiency. Design elements that affect the uniformity of application include the design of drip lines, submains, mainlines, and manifolds to minimize pressure differences and to maintain good pressure regulation. Appropriate design of the drip line is the key to high uniformity. Other factors to conside in the system design include the selection of pumps, filters, injection equipment, and flow meters. Engaging competent designers and installers in the system design and installation is recommended.

Contents:  List of Tables, List of Figures, Preface, Introduction

Design Considerations; Irrigation Water Management; Patterns of Soil Moisture, Root Density, and Soil Salinity around Drip Lines; Fertigation; Maintaining Drip Irrigation Systems

Metric Conversions, References

Blaine Hanson, Don May, Tim Hartz, and Gene Miyao, 2008, 58 pgs, color, soft.  $25.00


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