Browsing 2015. by Author "Georgieva, Natalia"
Now showing items 1-3 of 3
-
Comparative characteristics of Lupinus albus L. and Lupinus luteus L. under allelopathic effect of Sorghum halepense L. (Pers.)
Georgieva, Natalia; Nikolova, Ivelina; Marinov-Serafimov, PlamenAllelopathic effects of aqueous extracts of Sorghum halepense L. (Pers.) on seed germination and primary seedling growth and development of two lupine species was studied. Lupinus albus and Lupinus luteus showed different ... -
Systems of organic farming in spring vetch I: Biological response of sucking insect pests
Nikolova, Ivelina; Georgieva, NataliaFour systems of organic farming and a conventional farming system were studied over the period 2012-2014. The organic system trial variants included: I – an organic farming system without any biological products used ... -
Systems of organic farming in spring vetch II: Biological response of Aeolothrips intermedius Bagnall and Coccinella septempunctata L
Nikolova, Ivelina; Georgieva, NataliaThe effects of four systems of organic farming of spring vetsch on Aeolothrips intermedius Bagnall (Thysanoptera: Aeolothripidae) and Coccinella septempunctata L. (Coleoptera:Coccinellidae) population density and the ...