Changes in Weed Emergence in Paddy Fields with Continuous Aigamo Duck Farming.

evaluation of duck efficiency as a biocontrol agent on weed density and diversity in rice-duck farming (oryza sativa l.)

in order to evaluate the effect of ducks number on weeds diversity and density in paddy fields, an experiment was conducted at sari agricultural sciences and natural resource university during growing season of 2011-2012. experiment was arranged in split plot based on complete randomized block design with four replications. main factors were duck number at three levels (consisting of control, 4...

comparison of blood flow velocity changes in posterior cerebral artery measured with transcranial doppler sonography in migraineurs with visual aura and normal persons after photostimulation

چکیده ندارد.

Weed Biology and Weed Management in Organic Farming

Temporal trends in arthropod abundances after the transition to organic farming in paddy fields

Organic farming aims to reduce the effect on the ecosystem and enhance biodiversity in agricultural areas, but the long-term effectiveness of its application is unclear. Assessments have rarely included various taxonomic groups with different ecological and economic roles. In paddy fields with different numbers of years elapsed since the transition from conventional to organic farming, we inves...

The biological control of Pomacea canaliculata population by rice-duck mutualism in paddy fields

The Department of Ecology, College of Agriculture, South China Agricultural University, Guangzhou, PR China; Key Laboratory of Ecological Agriculture of Ministry of Agriculture of the People’s Republic of China, South China Agricultural University, Guangzhou, PR China; Department of Agricultural and Biological Engineering, Mississippi State University, Starkville, MS, USA; Center for Bottomland...