"Agricultural Waste Management"

ESC 5544/PSES 5544

Dr. David B. Parker
West Texas A&M University
Division of Agriculture
Kilgore Research Center, Room 162A
Office Phone: 806-651-5281
Cell Phone: 806-673-7402
Home Phone: 806-655-6499
FAX: 806-651-2504
E-mail: dparker@mail.wtamu.edu
Download the NRCS Waste Handbook at AWMFH1 or AWMFH2
Check out the Unified National Strategy for AFOs Final AFO Strategy
Date Lecture Topics Homework/Handouts 
(in MS Word 97, rich text format)
Jan. 15 What is a CAFO?
Magnitude of Waste Volumes
Waste Characteristics & Conversions
 Syllabus
 Homework 1
 Handout 1
Handouts Distributed in Class: 
1.  Hmmm..... How much animal waste? 
2.  ASAE Uniform Terminology
Jan. 22 Nitrogen/Phosphorus Cycles
Eutrophication
 Homework 2
 Class Exercise 
Handouts Distributed in Class: 
1.  Solutions to HW #1 
2.  Resources vs. Wastes 
3.  Nitrogen Cycle/Phosphorus Cycle 
4.  Phosphorus & Surface Water (A) 
5.  TNRCC Regulations 321.39 (B) 
6.  TNRCC For Immediate Release (C)
Jan. 29 Manure Characteristics/
Nutrient Concentrations
 Homework 3
Handouts Distributed in Class: 
1.  TAMU Phosphorus Method (1p) 
2.  Hazardous Waste Characteristics 6p) 
3.  ASAE Manure Production (3p) 
4.  MWPS Waste Characteristics (1p) 
5.  Residential Waste Composition (2p) 
6.  Iowa Environment Quarterly (3p)
Feb. 5 Composting             photos
 Link to Cornell Composting
Chapter 10 AWMFH (composting on p. 10-42 to 10-62)
Homework 4
Composting Spreadsheet
Handouts Distributed in Class: 
1.  Types of Composting Systems
Feb. 12 Land Application         photos

Land Application Equipment Link


Homework 5
Handouts Distributed in Class: 
1.  Animal Waste Utilization on .. (4p). 
2.  Cattle Feedlot Manure and ... (6p) 
3.  Table 10-3 (Textbook) MWPS-18 
4.  Tables from Chapters 6 and 11
Feb. 19 Land Application, cont. Homework 6
Handouts Distributed in Class: 
1.  SAR Calculations
2.  Ch 6 Salt Tolerance of Field Crops
3.  Ch 11 Salinity
4.  Irrigation Water Quality (Bohn et al.)
5.  Salinity (Sumner)
Feb. 26
Anaerobic Digestion
Energy/Global Warming
Homework 7
Handouts Distributed in Class: 
1.  Global Methane Emissions (8p) 
2.  Global Warming - Good or bad? (1p)
Mar. 4 MIDTERM EXAM 7:00 PM
Mar. 11 Runoff, Seepage, Liners (Intro) Handouts Distributed in Class: 
1. Runoff, Seepage & Liners (6p) 
2. Runoff Coefficients Table 4.1 (1p) 
3. Runoff Curve Numbers Table 4.3 (1p) 
4. Hydraulic Conductivites (1p) 
5. TNRCC Liner Requirements (1p)
6. Feedlot Manure Practices (Sweeten) (5p)
Final Exam Handed Out
Mar. 18 NO CLASS - Spring Break .
Mar. 25 Runoff, Seepage, Liners (Cont.) Homework 8
Apr. 1 Treatment Processes Handouts Distributed in Class:
1. Aerobic/Anaerobic Lagoon Design 
2. Runoff Storage Pond Design
Apr. 8 Air Quality/Odors Handouts Distributed in Class: 
Homework 9
Apr. 15 Air Quality/Odors .
Sat. April 17 FIELD TRIP TO AREA CAFOs 
Depart 9:45 AM from ANS Building
.
Apr. 22 Review for Final Exam .
Apr. 29 NO CLASS - Dead Day .
May 6 Final Exam 7 PM .
Some useful conversion factors: 1 ft3 = 7.48 gallons
1 gallon water = 8.34 lbs.
1 gallon = 0.1337 ft3
1 ft3 water =62.4 lbs.
1 psi = 2.31 ft H2O
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