Results 91 to 100 of about 9,044 (165)

Weed control and crop selectivity of post-emergence herbicides in common beans

open access: yesCiência Rural
: There are few options of wide spectrum selective herbicides registered for post-emergence weed control in common beans crop. The experiment aimed to test crop selectivity and weed control of post-emergence herbicides on common beans.
Lucas De Ross Marchioretto   +1 more
doaj   +1 more source

An iconic traditional apiculture of park fringe communities of Borena Sayint National Park, north eastern Ethiopia [PDF]

open access: yes, 2015
Background: Traditional apiculture has been practised in Ethiopia over a long historical period and still remains a benign means to extract direct benefits from natural ecosystems.
Adal, Hussien   +4 more
core   +2 more sources

Manejo de plantas daninhas na cultura do algodoeiro com S-metolachlor e trifloxysulfuron-sodium em sistema de plantio convencional Weed Management with S-metolachlor and trifloxysulfuron-sodium in cotton field

open access: yesPlanta Daninha, 2006
Objetivou-se com este trabalho desenvolver tecnologia para manejo de plantas daninhas na cultura do algodoeiro, em sistema de plantio convencional, combinando os herbicidas S-metolachlor em pré-emergência com trifloxysulfuron-sodium em pós-emergência ...
R.S. Freitas   +5 more
doaj   +1 more source

The Aquatic Biota and Groundwater Quality of Springs in the Lincoln Hills, Wisconsin Driftless, and Northern till Plains Sections of Illinois [PDF]

open access: yes
ID: 8307INHS Technical Report prepared for Environmental Protection Trust Fund Commission and Illinois Department of Natural Resources Division of Energy and Environmental AssessmentU of I OnlyRestriction applied due to concern over ...
Phillippe, Loy R.   +2 more
core  

Arbuscular and Ectomycorrhizal Fungi Associated with the Invasive Brazilian Pepper Tree (Schinus terebinthifolius) and Two Native Plants in South Florida

open access: yesFrontiers in Microbiology, 2017
The potential role of soil fungi in the invasion of the Brazilian pepper tree (Schinus terebinthifolius—BP) in Florida is not known; although the low biotic resistance of Florida soils is often invoked to explain the prevalence of many invasive species ...
Nwadiuto Esiobu, Karim Dawkins
doaj   +1 more source

Lose the plot: cost-effective survey of the Peak Range, central Queensland [PDF]

open access: yes, 2013
The Peak Range (22˚ 28’ S; 147˚ 53’ E) is an archipelago of rocky peaks set in grassy basalt rolling-plains, east of Clermont in central Queensland. This report describes the flora and vegetation based on surveys of 26 peaks.
Butler, Don W., Fensham, Rod J.
core  

Métodos de quantificação da cobertura foliar da infestação de plantas daninhas e da cultura da soja

open access: yesCiência Rural, 2004
A utilização de modelos matemáticos para previsão de perdas de rendimento de grãos causadas pela infestação das plantas daninhas, que usam a medida da área foliar, depende da rapidez e precisão da estimativa dessa variável.
Rizzardi Mauro Antônio   +1 more
doaj  

The prevalence of use and value of wild edible herbs in South Africa [PDF]

open access: yes, 2003
The prevalence of use and commercial value of wild edible herbs in South Africa is examined from four recent quantitative studies at eight different sites.
Shackleton, C M (Charles Michael)
core   +1 more source

A survey of selected coastal vegetation communities of Florida [PDF]

open access: yes, 1977
A survey of coastal vegetation around Florida was conducted during 1973 and 1974. Seventeen sites were selected and sampled using the transect method to determine species occurrence, relative densities, and habitat development and structure.
Carlton, Jedfrey M.
core  

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