نتایج جستجو برای: pest control

تعداد نتایج: 1339148  

Journal: :Nature Biotechnology 2000

Journal: :Bulletin of the Entomological Society of America 1975

Journal: :Proceedings of the New Zealand Weed and Pest Control Conference 1984

2005
MARAT RAFIKOV MANOEL BALTHAZAR

One of the main goals of the pest control is to maintain the density of the pest population in the equilibrium level below economic damages. For reaching this goal, the optimal pest control problem was divided in two parts. In the first part, the two optimal control functions were considered. These functions move the ecosystem pest – natural enemy at an equilibrium state below the economic inju...

Journal: :Occupational and Environmental Medicine 2006

Journal: :Arthropod Management Tests 1997

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