SOIL 456 Irrigation and Drainage
New Mexico State University


Text: Landscape Irrigation Design by Eugene W. Rochester
Instructor: Dr. Sammis phone 646-2104 Rm Skeen  N 332 Office Hr MW 10:30-11:30

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Lecture :Time MW 9:30-10.20 room Skeen w-130
Lab: Time Wed 1:00-2:20 room GT 338

Ta Justin Riggs

Skeen N257, Phone is 646 4461

The Class is an introduction to irrigation management and design. The class has two lectures and one laboratory.

"Irrigation is defined as the application of water for the purpose of sustaining plant growth and/or enhancing production."

Any links to a  product are for educational purposes to describe that type of equipment  and does not imply approval or recommendation about the product.



New Mexico Water Dialogue--Legislative Update 2002

Student Questioner- Water Words Dictionary

Week Chapter in book Chapter topic Assignment problems Links to material on the internet
1 3 Introduction to irrigation Design
Turf and Landscape BMP 
Turf Power point
Internationalization of course Introduction
Transpiration animation
Irrigation acreage survey
Turf and Landscape irrigation Best
Best management Practices. 
2 - Soil Classification   Soil characteristics at the Hort. farm Soil Texture determination
3 6 Soils and Plants
Chile irrigation 
Do problems1-4 Soils and Climate
4 2 Basic concepts on hydraulics Do problems 1-7  
5 4 Sprinkler head Do problems 1-3  
6 5 Positioning sprinkler heads Do problems 1-10  
7 7 Piping systems Do problems 1-4 Friction loss
8 8 and 10 Water hammer and controllers Do problems chapter 8 1-2  
9 9 Drip irrigation components (notes) Do problems 1-2 Water meters
Wastewater drip systems
10   Surface Irrigation    
11 11 Electrical wiring-ohms law folmula
Ohms law definition
Ohms law wire calculator1   2
Do problems 1-4  
12 12 Backflow prevention Do problems 1-3  
13 13 Water Supplies
pump      Pump curve
Do problems 1-4

pumps and measuring devices

Cost of pumping water 

14 13 Water Supplies Do problems 4-8 Waste water use
15   Drip irrigation   Drip systems

Laboratory number Laboratory Assignment Description
1 Lab1 Irrigation game
2 Lab2 (two weeks) Soil Texture Analysis
3 Lab3 (three weeks) Cotton Irrigation
4 Lab 4a Saltceder water use
5 Lab5 Soil Infiltration rate Experiment
6 Lab6 Mariotte Siphon
7 Lab 7 Calibration of water meters
8 Lab 8 Use of float method to measure flow in cannels
9 Lab 9Economic analysis Convert from surface to drip
10 Lab 10 Surface irrigation
11 Lab 10 A Boarder Surface irrigation
12 Lab 11 Drip Irrigation design
13 Lab 12 International contribution



The grade for the course is based on:
Lab reports 20%
Midterm Exam 35@
Comprehensive final exam (35%)
Quizzes 10%
All assignments are due one week after the material is covered in class. All assignments will be emailed by that date to Dr. Sammis at and the TA. All calculations will be done on an excel spreadsheet and this spreadsheet will be emailed as an attachment with the assignment. Your name shall be on all files sent by email. If they are not turned in on time,  you will loose one grade. If they are turned in more than 3 weeks late you will receive a 0 grade. The grade will be base on a 1-10 scale.

Quizzes will be given at the end of a class and the answers emailed by 8:00 am the next day.  Any quizzes not emailed on time will received a 0. All quizzes and exams will be take home. Answers will be graded on correctness and completeness.

Lab results will be presented in a standard Lab format
material and methods
Results and discussion 

Link to international water forum

Students with disabilities
STUDENTS WITH DISABILITIES: If you have (or believe you have) a disability and would benefit from classroom accommodation(s), please contact the Services for Students with Disabilities (SSD) Office located at Corbett Center, Room 244 [Phone: 646-6840: TTY: 646-1918].Student Responsibilities:

  1. Register with SSD and obtain accommodation documents early in the semester;
  2. Deliver the completed accommodation and testing form(s) to the instructor(s) within the first two weeks of beginning of classes (or within one week of the date services are to commence);
  3. Retrieve the signed form(s) from faculty and return to SSD within (5) days of the receipt from faculty and at least one week before any scheduled exam; and,
  4. Contact the SSD Office if the services/accommodations requested are not being provided, not meeting your needs, or if additional accommodations are needed.  Do not wait until you receive a failing grade.  Retroactive accommodations cannot be considered. 

 Faculty Responsibilities

  1. Sign the ACCOMMODATION REQUEST FORM and TESTING ACCOMMODATION FORM (when presented), retain a copy, and return the original to the student within five (5) working days of receipt;
  2. Contact SSD immediately if there are any questions or disputes regarding accommodation(s), disruptive behavior, etc.; and,
  3. Refer the student to SSD for any additional accommodations.

 Discrimination: Office for Institutional Equity, Mr. Paul Gayle-Smith, 646-3635, O Loughlin House


Post test please take

 Labs and Quiz need to be email 24 hr after assigned to

Spring 2002 Spring 2004
Quiz 1 Quiz 1
Quiz 2  
Quiz 3  
Quiz 6  

Exam 1  exam 1 exam 1 march 1 2008
Exam 1 answer  Exam 1 answer exam 1 answer 2008
Final Exam  Final Exam 2004  Final exam 2008


If you have any questions please contact
Updated: Dec 18 1996
Copyright 1996 New Mexico State University
Department of Agronomy and Horticulture
Box 30001 / Dept.3Q / Las Cruces, N M 88003-8003
Telephone: (505)646-3405
FAX: (505)646-6041