UC Waste Management Workgroup

Workgroups have been formed within the University to provide an opportunity for advisors and specialists to meet, present research findings, critique each others findings, define research needs and set goals to meet those needs.

2001 Waste Management Workgroup Program
June 21 & 22, 2001, UC Davis, Alumni Center
2000 Waste Management Workgroup Program
June 12 & 13, 2000, UC Davis, Alumni Center
1998 Waste Management Workgroup Program and Proceedings
June 15-16, 1998, UC Davis
1997 Waste Management Workgroup meeting and Compost Workshop
May 13, 1997, UC Davis
1996 Waste Management Workgroup Program and Proceedings
June 18-19, 1996, Bakersfield, CA

Proposals for Review:

Organic Nitrogen Decomposition Study

Expertise Directory:

The persons listed in our Expertise Directory were contacted in 1998 and allowed us to list them on our page.  A complete directory of DANR professionals may be found at: http://danr.ucop.edu


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University of California

AGENDA

WASTE MANAGEMENT WORKGROUP MEETING

Tuesday, June 18, 1996


The California Biosolids Conference to be held January 29-30 1997, in Sacramento. It is being organized by Stan Dean and Craig Lekven at the Sacramento Regional Wastewater Treatment Facility and co-sponsored by SAREP, Cal-EPA, CDFA and others. Andrew Chang is on the conference committee and I believe he and I will be working together to organize and identify speakers for one of the conference sessions. For more information people can contact Craig Lekven at (916)875-9000.

Organic Soil Amendments and Fertilizers. I haven't taken any steps to update this publication. At last year's meeting I think I said that I could take the lead on this project. With changes in my work and responsibilities here at SAREP over the last year, I am not in a position to take that role. If you can identify someone else to do it, I am ready to contribute to the review and publication process. I think Stuart, Blake, and Milt volunteered to help with this at last year's meeting.

Research Presentations:


ORGANIC MATTER AMENDMENTS

The Organic Matter Amendment Tour for Production Agriculture is your opportunity to view the diversity of this issue in Kern County. Interact with UC Farm Advisors and Specialists from all over the state as well as local growers and industry representatives as we tour field sites and production facilities. We will view the application of biosolids to cotton ground, high rate application of greenwaste compost in peaches, long-term rotational studies in alfalfa, garlic, and cotton, and greenwaste and manure composting facilities. The afternoon will conclude with field trial results and a question/answer session in the Kern County Agricultural Pavilion.

The State has required counties to decrease landfill inputs to 50% of 1990 levels by the year 2000. Municipalities and waste handlers have turned to agricultural lands as a means of spreading organic and mineral materials that have amendment value for crops; primarily greenwaste, sewage sludge, and to a lesser extent cogenerational flyash. This creates a subsidy for movement of this material at very low or no cost to growers. Kern County receives more than 500,000 tons/year of these materials, most of it imported from southern California. Most of this is greenwaste that is composted here. Sewage sludge is co-composted with greenwaste and also applied as fresh product.

Long term trials with composted greenwaste, sludge and flyash are currently underway to examine the agronomic benefit to soil structure and fertility in garlic, alfalfa, cotton, pistachios, almonds, and peaches.

SCHEDULE:
9:45-10.00 Board Buses at Kern Ag. Pavilion (Northeast to UCCE office)
10:00-10:50 Field Application of Biosolids by Pima- Gro on Cotton round
10:50-11:45 Greenwaste Compost in Peaches (Field Trial)
11:45-12:45 Lunch at Sycamore Canyon Golf Course
12:45-1:15 Greenwaste Compost in Alfalfa and Cotton (long-term field trials)
1:15-2:15 Community Recycling Greenwaste Compost yard Demonstration of Compost Processing, plastics separation, and field application
2:15-3:00 Hargis and Son's Manure & Gypsum Co-Composting Yard
3:00-4:30 Kern County Ag. Pavilion-Round Table
  • Results of Kern County Field Trials
  • Organic matter impacts on soil quality
  • What about heavy metals

Tour sponsored by:


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