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The Vetiver Education & Empowerment Project (VEEP) & the Vetiver System (VS) ...iweco-project
Presentation by Jonathan Barcant, Caribbean Coordinator of the Vetiver Network international at the GEF-funded UNEP-implemented Integrating Water Land and Ecosystems Management in Caribbean Small Island Developing States (IWEco) Project 17th Partners' Webinar, on 18th January 2022.
Vetiver eco-engineering - plant characteristics and overview of applications ...iweco-project
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employed for the better interpretation of large complex water quality data set obtained from twenty five
groundwater locations in four seasons during the year 2012. The water samples were characterized for the
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industrial, agricultural and domestic effluents from the western part of Bangalore metropolis. Groundwater samples were
collected from both the borewells and open wells along the Vrishabhavathi valley watershed during April 2014 from the
same sampling sites, that were chosen for the study in 2006 by these authors and subjected to a comprehensive
physico-chemical analysis and water quality indices were worked out for the entire study area, both for the 2006 and the
present data. The water quality indices have risen alarmingly and it has been found that nearly 67% of the samples are
non-potable and it is seen that this number has risen sharply from 50 % non-potability in study 1 conducted in 2006. This
clearly shows that there is a massive deterioration of water quality in the study span of 8 years, clearly reflecting the
unabated and huge increase in the concentration of pollutants from municipal, industrial and agricultural sources that
have been making their way to the groundwaters of Vrishabhavathi valley basin. The results imply that the groundwater
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Turbidity, EC, TDS, Cl–, SO4
2–, NO3
–, PO4
3–, D.O, TH, Ca2+, Mg2+, F–, Na+, K+ and BOD. Each parameter was
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standard to assess the suitability of drinking and domestic purposes. The analytical results of groundwater
samples shows that that certain parameters namely PH, D.O and Fluoride were found within the desirable limits
by BIS. However, Turbidity, EC, TH, TDS, BOD, Chloride, Sulphate, Phosphate, Nitrate, Sodium, Potassium,
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analysis reveal that the ground water of the area was not suitable for human consumption and domestic use due
to the influence saltwater intrusion, sewage, Industrial effluents and high urban concentration are the probable
sources for the variation of water quality in the study area
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Sed 6 Impact Of Program
1. Understanding Nutrient & Sediment Loss at Soaring Eagle Dairy - 6 Impact of Discovery Farm Research Eric Cooley and Dennis Frame – UW Extension/Discovery FarmsScott Gunderson – UW-Extension Dairy Agent/Manitowoc County Dennis Frame and Eric Cooley UW Extension/Discovery Farms
2. Soaring Eagle Dairy (SED) Soaring Eagle Dairy is located 5 miles southeast of Newton or approximately 7 miles northwest of the village of Cleveland in Manitowoc County, Wisconsin. The dairy is owned by Jim and Sandie Fitzgerald; their three daughters, Kelly Goehring, Julie Maurer and Stacy Fitzgerald.
3. Soaring Eagle Dairy (SED) The farm is located in the Point Creek subwatershed and the Lake Michigan watershed. Land surrounding SED mostly used for agricultural purposes, nearest residence approximately 500 feet to the northwest
4.
5. Farm and site selection The selection criteria for this site included a strong emphasis on monitoring a relatively small watershed, so that the water quality data could be compared to data gathered from individual field sites.
6. Farm and site selection This was done in order to determine the accuracy of using field data to estimate losses on a watershed scale.
7. Equipment installation The installation of surface water monitoring equipment began in late July 2004. The site was difficult to install because of the high amounts of soil moisture contained in and around the intermittent stream.
8. Equipment installation The installation was completed in late October 2004. First runoff event occurred in early December 2004. Equipment installation and sampling is outlined in SED – 3.
9. Surface water monitoring Data collection at SED began in December of 2004 and was conducted until October 26, 2006.
10. What changes occurred How did data gathered at SED: increase producer knowledge, improve the understanding of how agriculture impacts the environment, and further determine site selection criteria for future on-farm research sites.
11. Lessons Learned Typically in watersheds runoff exhibits a rapid response to rain or melting snow and then over a relatively short period of time (minutes to hours), the flow greatly diminishes and stops. Discovered that the majority of runoff appeared to be coming from subsurface tiles that emptied into the waterway above the monitoring site.
12. Lessons Learned Concerns about the influence of tile on runoff include: Much of the area drained by this tile was not under SED control - land and management practices were unknown Drainage area for this tile was unknown Some of the tile systems contained surface inlets, which greatly increase the potential for nutrients and sediment to run off into the site.
13. Lessons Learned The data collected on this site provided valuable information that allows us to conclude that in this type of setting, the nutrient and/or sediment loss data from edge of field sites does not accurately scale up to represent losses at the watershed level.
14. Lessons Learned This is because surface water runoff is just one of the two major sources of nutrients and sediment entering lakes and streams. Clearly demonstrates that tile drainage systems can contribute a significant amount of water to the watershed.
15. Lessons Learned Drainage systems dramatically increase the volumes of water entering the watershed as well as the duration of runoff that occurs.
16. Lessons Learned Drainage also dramatically changes the watershed boundaries from the surface drainage areas. The information gained at SED changed public perception and understanding of the importance of tile drainage systems in Manitowoc County.
17. Changes at SED A waterway was mistakenly tilled through. Better mapping of established waterways and increased communication between producer, crop consultant and custom manure hauler has been implemented to prevent this from happening in the future.
18. Changes at SED Upon learning about potential losses through tile lines: SED had a meeting with their custom manure applicator, crop consultant, SED and Discovery Farms staff to determine the best methods for manure application over tiled agricultural land. A new application implement which creates better disturbance of the soil near the manure application site was constructed and used.
19. Changes in public perspective Increasing the size of buffers will very likely have limited effect on reducing phosphorus losses because of the high ratio of dissolved phosphorus to particulate phosphorus in runoff samples. This research/discussion focused on identifying viable options for reducing dissolved phosphorus losses.
20. Changes in public perspective Discovery Farms data is skewed. Rumors that Discovery Farms staff or farm personnel were modifying samples to hide bad results. Shown that all testing is 100% automated, equipment is locked, and it is difficult to modify samples. Only qualified Discovery Farms or USGS personnel have access to locked research sites and pictures of bottles for each storm event are taken at the laboratory.
21. Changes in public perspective Discovery Farms data is skewed. Rumors that Discovery Farms staff or farm personnel were modifying samples to hide bad results. Modifying samples to correspond to changes in flow would be extremely difficult, if not impossible. Data was presented showing substantial losses under a wide variety of management systems and conditions. Discovery Farms personnel were able to address this concern in subsequent meetings to the public.
22. Changes in public perspective Better methods to educate the public on environmental issues A groundwater model was purchased to inform the general public on where drinking water comes from and the potential sources of contamination. Discovery Farms staff attended county fairs and other public events to provide additional education.
23. Changes in public perspective Topics at committee meetings included: monitoring challenges, manure spill response procedures, development of a soil moisture risk management assessment tool, anaerobic digesters, flush systems.
24. Changes in public perspective Topics at committee meetings included: pathogen testing, state and local agricultural regulations, nutrient management planning, and certification at the county level for custom manure haulers.
25. Changes in site criteria Surface water and tile paired basin Where tile flow greatly influences surface water, concurrent testing of surface and tile in a basin are optimal to determine where sources of sediment and nutrients are originating.
26. Changes in site criteria Access to power (near lines or buildings) The site at SED was solar powered. Because of the long flow duration (freeze/thaw periods), the site was often close to capacity for running the equipment and operation of the heat tapes.
27. Changes in site criteria Easy access by road (able to plow in winter) Without the access road at this site, monitoring in this location would have been much more difficult.
28. Changes in site criteria 40 acre watershed or less The 295 acre watershed selected for this study proved to be challenging. Management changes made on a field or a few fields in the watershed could be masked by the large volume of water. Watersheds of < 40 acres would be optimal for assessing land management changes.
29. Changes in site criteria Single field per watershed if possible Nutrient losses are difficult to link to specific crops, tillage, nutrient applications, and management practices. A single field or fields with identical crop rotations in a watershed is optimal. But, in Wisconsin these are unlikely.
30. Changes in site criteria All/majority of agricultural land in watershed under control of participant Obtaining management records from producers has proven to be difficult. Watersheds where management is unknown further complicates correlating sediment and nutrient losses to management practices.
31. Changes in site criteria No backwater (good slope away from surface site and clear discharge path for tile) Major obstacle was lack of slope downstream of the site. This caused frozen backwater conditions that rendered the monitoring equipment ineffective. It is crucial to ensure proper slope (get-away conditions) from the monitoring equipment.
32. Changes in site criteria Open and honest cooperator with good records SED had an immaculate recordkeeping system. They were always available to share their records and management information with our staff. Without cooperation and recordkeeping of what happened on the land, linking water quality data to land management is almost impossible.
33. Changes in site criteria Two paired surface/tile sites on same farm is optimal If funding and sites that meet the criteria are available, it is advantageous to have paired surface and/or tile sites. Replication allows for better determination of the magnitude of specific events when compared to a control site where the event did not occur. Replication also minimizes variation in data caused by climatic, environmental and physical factors.
34. Information Available This presentation is the sixth in a series of six developed to provide the data and information collected at Soaring Eagle Dairy. All of the presentations, factsheets and briefs are available on the UW - Discovery Farms website.
35. Information Available There are six factsheets available on SED. There are six briefs available on SED (2 page summaries of the factsheets). There are six presentation available on SED.
36. For Additional Information http://www.uwdiscoveryfarms.org UW Discovery Farms 40195 Winsand Drive PO Box 429 Pigeon Falls, WI 54760 1-715-983-5668 jgoplin@wisc.edu or drframe@wisc.edu