Results 51 to 60 of about 153 (85)

Genetic variability in Cotesia flavipes and its importance in biological control of lepidopteran stemborers [PDF]

open access: yes, 2003
Lepidoperan stemborers are a major constraint to increasing the production of maize and sorghum under subsistence farming conditions in sub-Saharan Africa.
Niyibigira, E.I.
core   +1 more source

Testing Northeastern North American Native and Introduced Plants as Cover Crops in an Organic Vineyard [PDF]

open access: yes
Cover crops have potential to provide ecosystem services including nitrogen fixation, erosion control, water retention and infiltration, buffering climate variability, and beneficial insect attraction.
Zgurzynski, Kasia
core   +1 more source

Functional larval-parasitoid biodiversity in apple orchards as benchmark for management intensity and potential instrument for ecological amelioration of Iranian apple production [PDF]

open access: yes, 2019
Der Begriff nachhaltige landwirtschaftliche Produktion zielt auf zukunftsfähige ressourcenschonende Wirtschaftsweise ab, die in der Gesellschaft zunehmend Akzeptanz findet. Wie sich Nachhaltigkeit gestaltet ist regional und zeitlich variabel und wird von
Lashkari-Bod, Abdullah
core  

Children Can Learn New Facts Equally Well From Interactive Media Versus Face to Face Instruction. [PDF]

open access: yesFront Psychol, 2016
Kwok K   +5 more
europepmc   +1 more source

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