Results 91 to 100 of about 64,366 (182)

Land Use and Changes in Soil Morphology and Physical-Chemical Properties in Southern Amazon

open access: yesRevista Brasileira de Ciência do Solo
Many Amazonian farmers use the slash-and-burn method rather than fertilization for crop production. The aim of the present study was to evaluate changes in the morphological, physical, and chemical properties of naturally fertile Inceptisols after ...
Vander Freitas Melo   +3 more
doaj   +1 more source

F1 Fee Distribution [PDF]

open access: yes, 2020
Goes, Christopher, Ojha, Dev
core   +1 more source

Seasonal LAI in slash pine estimated with LANDSAT TM [PDF]

open access: yes
The leaf area index (LAI, total area of leaves per unit area of ground) of most forest canopies varies throughout the year, yet for logistical reasons it is difficult to estimate anything more detailed than a seasonal maximum LAI.
Curran, Paul J.   +2 more
core   +1 more source

Distribution, management and diversity of yam local varieties in Brazil: a study on Dioscorea alataL.

open access: yesBrazilian Journal of Biology
Widely spread in the tropics, yams were introduced into Brazil during the colonial period and are currently grown throughout the country. Despite its importance as a pharmacological and food source, there is a lack of studies describing how and where ...
MVBM Siqueira   +6 more
doaj   +1 more source

Twenty Years of Working Towards a Sustainable Southeast Asia: 1993 -- 2013 [PDF]

open access: yes, 2013
The Southeast Asia program first set about testing hypotheses applicable to each of the three ecosystem zones. On the forest margins, the hypothesis was that complex agroforests provided a superior alternative for small-scale farmers to either food-crop ...

core  

Mvolo County, an Onchocerciasis Endemic Area in Western Equatoria State, South Sudan: An Entomological Study to Prepare for a “Slash and Clear” Community-Based Vector Control Intervention

open access: yesResearch and Reports in Tropical Medicine
Thomson Luroni Lakwo,1 Peter Alinda,1 Stephen Raimon Jada,2 Moses Tionga,2 Constantino Doggale Remijo Marcello,3 Deng Gai Dual War,3 Robert Colebunders4,5 1Ministry of Health, Vector Control Division, Kampala, Uganda; 2Amref Health Africa, Juba, South ...
Lakwo TL   +6 more
doaj  

The syntactic processing of particles in Japanese spoken language [PDF]

open access: yes, 1999
Particles fullfill several distinct central roles in the Japanese language. They can mark arguments as well as adjuncts, can be functional or have semantic funtions. There is, however, no straightforward matching from particles to functions, as, e.g., GA
Siegel, Melanie
core   +5 more sources

EXPLAINING THE ADOPTION AND DISADOPTION OF SUSTAINABLE AGRICULTURE: THE CASE OF COVER CROPS IN NORTHERN HONDURAS [PDF]

open access: yes
Although technology adoption has been the subject of a great deal of economic research, that focused on the economics of adoption of low-input "sustainable" systems has been much more limited and recent.
Lee, David R., Neill, Sean P.
core   +1 more source

Land Markets and Agricultural Land Use Efficiency and Sustainability: Evidence from East Africa [PDF]

open access: yes
Land markets, including land sales and short-term land rentals, have an important role to play for efficient and sustainable land management and agricultural development, especially where markets for other factors of production are imperfect or missing ...
Benin, Samuel   +3 more
core   +1 more source

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