V. Vateva, K Stoеva, D. Pavlov Abstract. The research focuses on the vegetative development, the state and changes of the types of natural pasture compositions from the Sakar mountains region, by tracking the influence of the climatographic factors. The favorable combination of climat

I. Iliev, L. Hadjinikolova Abstract. The aim of the study was to determine the seasonal and vertical dynamics of water temperature and oxygen content in the aquatory of Kardzhali Reservoir, situated in the Eastern Rhodope Mountains at the altitude of 290 m. Water samples from six samp

V. Atanasov, E. Valkova, G. Kostadinova, G. Petkov, Ts. Yablanski, P. Valkova, D. Dermendjieva Abstract. A survey and assessment of manganese (Mn) levels was carried out on the chain water – sediment – algae from 6 monitoring points, situated at three rivers and a dam with high anthro

G. Delchev Abstract. During the period 2010 – 2012, on the experimental field of the Field Crops Institute – Chirpan was carried out a field experiment with oil-bearing sunflower (Helianthus annuus). A total of 18 variants from the three technologies for oil-bearing sunflower gr

S. Masheva, N. Velkov, N. Valchev, V. Yankova Abstract. Screening of plant protection products (PPP) against downy mildew in cucumbers Pseudoperonospora cubensis (Berkeley & M. A. Curtis) Rostovzev was carried out during the period 2006-2011 in the “Maritsa” Vegetable Crops Resear

G. Delchev Abstract. During the period 2010 – 2012, on the experimental field of the Field Crops Institute – Chirpan was carried out a field experiment with conventional Maximus hybrid PR44D06 (Brassica napus). A total of 15 variants were investigated. Canola hybrid from Maximus

V. Sabev, S. Raykov, V. Arnaudov Abstract. The study was conducted in the experimental field of the Institute of Forage Crops Pleven, Pavlikeni branch during the 2005–2007 period. The objective of the study was to determine the effect of soil trampling by the wheels of the tractor uni

K. Velichkova, I. Sirakov, G. Georgiev Abstract. Microalgae have several advantages, including higher photosynthetic efficiency as well as higher growth rates and higher biomass production compared to other energy crops. The Scenedesmus dimorphus strain was studied by using two media

R. Ivanova Abstract. Most of the small ruminant flocks on the Balkan Peninsula are bred on pasture. Thus the animals are endangered to graze treated alfalfa, without observing quarantine. The instability of the pyrethroid insecticides in rumen alkaline pH of the sheep is the reason fo

R. Bekova, G. Raikova-Petrova, D. Gerdzhikov, E. Petrova, V. Vachkova, D. Klisarova Abstract. For the present paper 35 specimens of sea mullet (Mugil cephalus) from different age groups were investigated. The material was collected between May 2010 – September 2011 along the coast, th