Results 51 to 60 of about 207,197 (208)

Novel use of stir bar sorptive extraction (SBSE) as a tool for isolation of oviposition site attractants for gravid Culex quinquefasciatus [PDF]

, 2009
Mosquitoes such as Culex quinquefasciatus Say (Diptera: Culicidae) are important vectors of organisms that cause disease in humans. Research into the development of effective standardized odour baits for blood-fed females (oviposition attractants), to ...
Birkett, Michael Alexander, Cameron, M. M., Carson, Connor, Logan, J. G., Mawa, K., Pates, H. V., Pickett, J. A. (John A.), Rwegoshora, R. T., Tungu, P. K.   +8 more
core   +2 more sources

Hypercarnivorous apex predator could provide ecosystem services by dispersing seeds [PDF]

, 2016
Large ?hypercarnivorous? felids are recognized for their role as apex predators and hence as key elements in food webs and ecosystem functioning through competition and depredation.
Costan, Andrea Silvina, Ripple, William, Sarasola, José Hernán, Zanón Martínez, Juan Ignacio   +3 more
core   +1 more source

GRANULOMETRIC AND HUMIC FRACTIONS CARBON STOCKS OF SOIL ORGANIC MATTER UNDER NO-TILLAGE SYSTEM IN UBERABA, BRAZIL

Tropical and Subtropical Agroecosystems, 2011
The cover plant use preceding grain crops in Cerrado soil can increase the carbon stocks of chemical and physical fractions of soil organic matter (SOM).
Marcos Gervasio Pereira, Arcângelo Loss, Sidinei Julio Beutler, José Luiz Rodrigues Torres   +3 more
doaj  

Do Foliar Fertilizers Promote Increased Productivity of Tropical Grasses?

Agrochemicals
Foliar fertilizers are low-cost agrochemicals used in pastures, and further research is needed regarding their impact on tropical grasses. Therefore, the objective of this research was to evaluate the effects of foliar fertilization on the development of
Anna B. O. Moura, Gustavo B. A. Silva, Anna C. C. Paimel, Eildson S. O. Silva, Lucas G. Mota, Camila F. D. Duarte, Carla H. A. Cabral, Carlos E. A. Cabral   +7 more
doaj   +1 more source

Natural attenuation of Fukushima-derived radiocesium in soils due to its vertical and lateral migration [PDF]

, 2018
Processes of vertical and lateral migration lead to gradual reduction in contamination of catchment soil, particularly its top layer. The reduction can be considered as natural attenuation.
Carradine, M., Cresswell, A., Golosov, V., Ivanov, M., Konoplev, A., Nanba, K., Onda, Y., Parenyuk, O., Takase, T., Wakiyama, Y., Yoschenko, V., Yoshihara, T.   +11 more
core   +1 more source

Changes In Submersed Macrophytes In Relation To Tidal Storm Surges [PDF]

, 1999
We analyzed long-term submersed macrophyte presence-absence data collected from 15 stations in Kings Bay/Crystal River, Florida in relation to three major storm events.
Canfield, D. E., Jr., Mataraza, Laura K., Munson, A.B., Terrell, J.B.   +3 more
core   +1 more source

Grassland carbon sequestration and emissions following cultivation in a mixed crop rotation [PDF]

, 2012
Grasslands are potential carbon sinks to reduce unprecedented increase in atmospheric CO2. Effect of age (1 to 4-yr-old) and management (slurry, grazing multispecies mixture) of a grass phase mixed crop rotation on carbon sequestration and emissions upon
Acharya, B.S., Eriksen, J., Rasmussen, J.   +2 more
core   +1 more source

Fumigant toxicity and repellency of citronella grass essential oil (Cymbopogon nardus (L.) Rendle) to German cockroaches (Blattella germanica L.)

European Journal of Biological Research, 2021
Citronella grass (Cymbopogon nardus (L.) Rendle) is a tropical plant that can develop as an insect pest fumigant and repellent, especially for the control of the populations of German cockroaches (Blattella germanica L.). The research aims to investigate
Robby Jannatan, Resti Rahayu
doaj  

Effect of Gliricidia sepium leaves and molases inclusion on aerobic stability, value and digestibility of Napier grass silage [PDF]

, 2016
Most tropical roughage feeds are generally deficient in nitrogen, energy or some minerals and vitamins. A study was conducted to evaluate the effect of adding Gliricidia (Gliricidia sepium) leaves and molasses to Napier grass (Pennisetum purpureum ...
Alimon, Abdul Razak, Iman, M. N., Jusoh, Shokri   +2 more
core   +1 more source

Potential Use of Herbicide Seed Safener and Pre-Emergent Residual Herbicides When Establishing Tropical Perennial Grasses—A Preliminary Study

Seeds
Annual grass weeds can provide significant competition to an establishing sown tropical perennial grass pasture. At least two years of grass weed control prior to sowing is required to reduce the weed seed bank.
Suzanne P. Boschma, Hugh W. McDouall, Jonathan W. McLachlan   +2 more
doaj   +1 more source