[Keyword='Agriculture And Food Security > Agricultural Production > Crop Yields']
Black Walnut Growth Database for Eastern United States, USDAEntry ID: USDA0598
Abstract: The purpose of the "Black Walnut Growth" dataset is to evaluate
growth and yield of plantation-grown walnut on a range of sites
throughout the eastern U.S. Data are used by NC scientists, and
university (SIUC, University of Missouri) and private
cooperators (Walnut Council, Northern Nut Growers Association)
to develop preliminary growth simulation models for black
walnuts, and to continue active ... research as part of ongoing
Collection Organization: USDA Forest Service
Collection Methodology: USDA Forest Service
Collection Frequency: Most field studies have height data for 0,
1, 2, 3, and at 5-10 year intervals thereafter.
Update Characteristics: N/A
Data Center: USDA Forest Service
Dissemination Media: Predominantly paper with about 10% on
Access Instructions: Contact the data center.
Access Restrictions: None
Start Date: 1965-01-01
Quality Electronic Databases screened for keyboarding errors and
inconsistent annual measurements.
Role: TECHNICAL CONTACT
Email: jwvs at siu.edu
USDA Forest Service North Central Forest Experiment Station Southern Illinois University SIU Mailcode 4411
Province or State: IL
Postal Code: 62901-4630
There are associated publications.
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2005-09-13
Last DIF Revision Date: 2018-02-05