13
MAY
2014

Study on vegetative and generative manifestations as well as yield from glasshouse tomatoes when foliar fertilizers are applied

N. Valchev, S. Masheva Abstract. With aim optimization of nutritive regime of glasshouse tomatoes supplementing the mineral nutrition by using foliar fertilizers an experiment was carried out in which on the background of basic fertilization with double superphosphate, potassium sulph
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13
MAY
2014

Possibilities for application of plant promotor Immunocitofit in integrated pepper production

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.
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13
MAY
2014

Possibilities for increasing the yield and quality of asters (Callistephus chinensis L.) cut flower

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
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12
MAY
2014

Winter wheat productivity under favorable and drought environments III. Effect of fertilization

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
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12
MAY
2014

Influence the acidity level on yield and chemical composition of essential oil from Rosa damascena Mill

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 (
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07
MAY
2014

Economic evaluation of winter wheat leaf fertilization

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
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07
MAY
2014

Potassium fertilization on cotton

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
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06
MAY
2014

The Effect of Zinc Application on the Yield and Zinc Uptake of Maize in Xerochrept and Haploxeralf Soils

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