Problems of Science and Practice

All Items

• Status and problems of mushrooms producing in Bulgaria

  Ali Michael, Nidal Shaban, Sergeiy Bistrichanov, Eman Kadum (Author)

  116-120
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  Protection of agricultural scientific results as intellectual property objects

  Silviya Todorova (Author)

  3-9

• Post Harvest Repining of Fruits for Late Field Tomato Production Depending on the Age and Planting Area of the Seedlings

  Nikolina Shopova, Dimitar Cholakov (Author)

  137-141

• Management of Crown and Root Rot Disease Complex of Greenhouse Tomatoes with Green Manure Cereal Crops

  Tzenko Vatchev (Author)

  118-125

• Influence of Sitobion avenae (Fabricius, 1775) Aphid and Some Insecticides on Both Content of and Ratios between Photosynthetic Pigments in the Leaves of Three Barley Cultivars

  Vasilina Maneva, Ivanka Lecheva (Author)

  114-117

• Efficiency of Fertilization of Wheat (Tr. aestivum) under Changing Some Elements in Agrotechnics. Efficiency of Utilization of Nitrogen from Fertilizers

  Zlatina Uhr, Elisaveta Vasileva (Author)

  109-113

• Efficiency of Fertilization of Wheat (Tr. aestivum) under Changing Some Elements in Agrotechnics. Crop Parameters and Yield Components

  Elisaveta Vasileva, Zlatina Uhr, Ginka Rachovska (Author)

  102-108

• Distribution of Orobanche ramosa L. and Orobanche mutelii Sch. in the Main Tobacco Producing Regions of Bulgaria

  Mariyan Yanev, Hristo Bozukov, Shteliana Kalinova (Author)

  114-117

• Comparative Technological Characterization of Clones of Variety Dimyat

  Iliyan Simeonov, Venelin Roychev (Author)

  132-136
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  Characteristic of mutant forms sudangrass Sorghum sudanense (Piper) Stapf.

  Irena Golubinova, Plamen Marinov-Serafimov, Anna Ilieva (Author)

  66-71

• Cereal Grasses – Host of Leaf Aphids in Boundary of Biological Field

  Vasilina Maneva, Dina Atanasova (Author)

  111-113

• Actual Fertility of Clones of Variety Dimyat

  Iliyan Simeonov, Venelin Roychev (Author)

  126-131
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  Study on the impact of universal and organic fertilizers on development and f lowering of Petunia and Pelargonium cultivars

  Nadejda Zapryanova, Denichka Manolova (Author)

  46-52
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  Specific features of an immortal (Helichrisum italicum L.) grown on the territory of Bulgaria

  Silviya Mollova, Stanko Stanev (Author)

  60-65
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  Possibilities for using aromatic plants and plants with ornamental leaves for recreation

  Irina Papazyan (Author)

  53-59