S. Masheva, V. Todorova, G. Toskov Abstract. The effect of multi-objective promotor Immunocitofit on the germination, germinating energy, yield and degree of infestation as a result of Verticillium wilt was studied in treatment of pepper seeds and plants variety Kurtovska kapiya 1619.

N. Miteva, O. Tafradziiski Abstract. Asters (Callistephus chinensis L.) are one of the basic annual sorts for growing in the open with big economic importance for getting cut flower. This is defined not only by their high decorative qualities because of the variety of structure and co

A. Ivanova, N. Tsenov Abstract. . Drought is a climatic specificity of the geography in Bulgaria. Under the effect of global climatic changes, drought becomes increasingly intense. A field trial investigated the effect of various mineral fertilization norms on the productivity of comm

A. Dobreva Abstract. It was raced the influence of acidity rate (pH=4 and pH=6) on the quantity and chemical composition of essential oil of Rosa damascena Mill. It was established that the yield is ranging 80 ÷ 110 % compared with control and the amount of the main terpene alcohols (

During the years 2006-2009 field experiment with winter wheat was held in the region of Stara Zagora. The object of study is the economic impact of leaf treatment with liquid fertilizer micro on productivity of winter wheat. Field experiment includes the following study options: contr

Research studies on cotton potassium fertilization in the last years at the Cotton and Durum Wheat Research Institute – Chirpan, Bulgaria have been reviewed. The soil Eutric vertisols was well supplied with available potassium (31-43 mg/100 g soil). The effect of K application was not

The Effect of Zinc Application on the Yield and Zinc Uptake of Maize in Xerochrept and Haploxeralf Soils K. Belliturk, B. Sozubek