Results 71 to 80 of about 62,707 (206)

Preliminary study of the aquatic macrophytes of selected fish ponds and reservoirs in Makurdi, Benue State, Nigeria [PDF]

open access: yes, 2003
A five months survey was conducted to identify the aquatic macrophytes in fishponds and reservoirs in Makurdi (Benue State, Nigeria) between August and December 1999.
Abe, O.M., Okayi, R.G.
core   +1 more source

Farmer willingness to pay for seed-related information: rice varieties in Nigeria and Benin [PDF]

open access: yes
"A typical private good is defined by its excludability and rivalry characteristics. Information embodied in a technology might not generate rivalry among its users. By contrast, excludability is certainly a characteristic of this kind of information and
Horna, J. Daniela   +2 more
core  

Spartan Daily, October 12, 1988 [PDF]

open access: yes, 1987
Volume 91, Issue 31https://scholarworks.sjsu.edu/spartandaily/7757/thumbnail ...
San Jose State University, School of Journalism and Mass Communications
core   +2 more sources

LANDSAT TM image data quality analysis for energy-related applications [PDF]

open access: yes
This project represents a no-cost agreement between National Aeronautic Space Administration Goddard Space Flight Center (NASA GSFC) and the Pacific Northwest Laboratory (PNL).
Barnard, J. C.   +4 more
core   +1 more source

Renovation of Nitrogenous Wastewater Via Land Application [PDF]

open access: yes, 1978
Removal of inorganic and organic nitrogen from wastewater prior to recharge of ground and surface waters can be accomplished by judicious land application.
Gilmour, John T.   +2 more
core   +2 more sources

Results of a botanical expedition to Mount Roraima, Guyana : 2., Lichens [PDF]

open access: yes, 1992
Lichen exploration of the Upper Mazaruni District, Guyana yielded 273 species, of which 179 were found for the first time in the Guianas and 13 were as yet undescribed.
Aptroot, André, Sipman, Harrie J. M.
core  

Savannah River Plant: 100 Area Reactors. Monthly report, May 1955

open access: green, 1955
Du Pont de Nemours (E.I.) and Co., Wilmington, DE (United States). Explosives Dept.
openalex   +2 more sources

The origin and distribution of neotropical species of Campylopus [PDF]

open access: yes, 1990
Of the 65 species of Campylopus known from tropical America, 33 are andine in distribution, 16 are found only in SE Brazil, 8 have wide ranges through Central and South America, 3 species are disjunct in SE-North America and Brazil, 3 are confined to the
Frahm, Jan-Peter
core  

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