Day 2 Sessions - Growth Responses and Financial Returns from Silvicultural Treatments in Southern Pine Plantations
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Webinar Details
When:
Jul 29, 2020 8:00 am US/Eastern
Length: 08:00 (hh:mm)
This live event has Ended. Most events are recorded and available for on-demand viewing usually within a week of their live showing. Check back then!
Attendees:
By Invitation ONLY A passcode is required to attend this webinar.
Presenter(s):
- Dr. Barry Shiver - University of Georgia Warnell School of Forestry and Natural Resources
Virtual Event Format:
Group Viewing Available:
This is day 2 of the course which contains 7 hours worth of online course materials.
For complete course details including video conference session details, pre-registration, course fees, and cancellation policy, please view the Course Home Page or Course Brochure (.pdf) .
Pre-Registration and Fees: The fee for this complete course is $300 which includes instructional materials and access to all online sessions. There is a $50 discount for fees paid and postmarked by July 14, 2020.
Upon registration and payment, you'll receive a passcode required to access the online webinar sessions.
Pre-Register and pay online at http://conted.warnell.uga.edu .
To pre-register by mail, download the mail-in registration form .
For detailed information about the complete course, pre-registration and cancellation, please view the course brochure (.pdf).
Accessing Online Course Material: All course material is presented via online Zoom webinars hosted here on the Webinar Portal. See the agenda below for links to each online webinar session.
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DAY 2 SESSIONS <-- THIS WEBINAR
Instructor: Dr.Barry Shiver
AGENDA - Day 2 Download the complete 2-day agenda here (.pdf)
Day 2 - July 29, 2020 (Eastern Time)
8:00-10:00 Session 5 - Herbaceous Weed Control (HWC)
• Potential impactson growth
• Type, Timing, magnitude and duration of stand responses
• Interaction with hardwood levels
• Costs and impacts on investment returns Empirical Results from Trials –Dr. David Dickens
• Results of 4 yr loblolly HWC trials
• Results of 11 yr longleaf HWC trials
• Questions
10:00-10:15 Break
10:15-12:15 Session 6 - Established Stand Silvicultural Treatments
• Comparing management alternatives for existing stands
• Concept of marginal rate of return
• Problems with, but Value of Calculation of Marginal Rate of Return
• Woody Release or Cleaning (Weeding of Woody Competitors)
• Type, Timing, Magnitude and Duration of Stand Responses
• Impacts on dbh distribution; control of upland and waxy leaf species
• Typical rates of return for woody release; trends in woody release costs and impacts on investment returns
• Additional benefits of woody release beyond growth (fire danger, harvesting costs, inventory costs, potential tax benefits)
•Questions
12:15-1:15 Lunch
1:15-2:15 Session 7 - Established Stand Silvicultural Treatments—Fertilization
• P deficient sites; threshold levels and sampling for nutrient levels; ratios needed
• Concept of leaf area; efficient ways to fertilize
• Type, duration, and magnitude of response; N alone vs N+P fertilization
• Piedmont vs Coastal Plain native nutrient levels
• Impacts on dbh distribution
• Trends in fertilization costs and impacts on investment returns
• Release and fertilization combined
• Questions
2:15-2:30 Break
2:30-4:30 Session 8 - Established Stand Silvicultural Treatments -Thinning
• Development of thinned vs unthinned stands
• Importance of intermediate cash flows on financial returns
• Change in optimal financial rotation from thinning
• Reasons to thin (or not to thin) -the importance of markets
• Timing, frequency, intensity of thins and which trees to thin
• Thinning-Species Differences
• Importance of inventory data and concept of TQI
• Difference in investment returns for different thinning strategies;
• Impact of early thinning on financial returns
• Cost of a delay in thinning
• Questions Other Opportunities and Considerations
• Impact of annual cash flows on financial returns
• Pine straw raking-opportunities, realistic sites, impacts on nutrients; impact of straw raking on species choice and thinning decisions
• Wood Quality as impacted by silvicultural treatments; what are realistic tons/acre goals;
• Using operability and inventory information to maximize stumpage prices (and returns)
• Course summary and questions
4:30 pm Adjourn

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