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General description and operation of the agro-environmental system: Crop management modelingInput for a data management system to provide farmers with information to improve crop management practices in Virginia requires monitoring of control crops at field stations, crop surveys derived from remotely sensed aircraft data, meteorological data from synchronous satellites, and details of local agricultural conditions. Presently models are under development for determining pest problems, water balance in the soil, stages of plant maturity, and optimum planting date. The status of the Cerospora leafspot model for peanut crop management is considered. Other models under development planned relate to Cylindtocladium Blackrot and Sclerotinia blight of peanuts, cyst nematode (Globerdena solanacearum) of tobacco, and red crown rot of soybeans. A software for program for estimating precipitation and solar radiation on a statewise basis is also being developed.
Document ID
19810011005
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Gross, E. (Virginia Polytechnic Inst. Blacksburg, VA, United States)
Scott, J. H., Jr. (Virginia Polytechnic Inst. Blacksburg, VA, United States)
Date Acquired
September 4, 2013
Publication Date
March 1, 1981
Subject Category
Earth Resources And Remote Sensing
Report/Patent Number
NASA-CR-156874
Accession Number
81N19532
Funding Number(s)
CONTRACT_GRANT: NAS6-2388
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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