Разширено търсене
Автор да съдържа N. Petkov
A 2280
Каталог "Статии" | Списание
First data on the pesticide residues in samples of honey bees and food stocks in the Apis mellifera colonies from Bulgaria
(2022)
Plamen Petrov; Evgeniya Ivanova; Nikolay Petkov;
Iliyana Arakelyan
и др.
Каталог "Статии" | Списание
Evaluation of genetically sex-marked at eggs and larvae stage silkworm Bombyx mori L. hybrids based on silk productivity
(2007)
Каталог "Статии" | Списание
Complex evaluation of silkworm Bombyx mori L. ameiotic parthenoclones
(2005)
N. Petkov; Y. Vasileva; Y. Natcheva;
Z. Petkov;
H. Greiss;
O. Galanova;
T. Safonova;
Y. Lijahenko
и др.
Каталог "Статии" | Списание
Mathematical prognosis at choice of ameiotic parthenoclones and genetically sex-limited at larva stage silkworm Bombyx mori L. lines for industrial hybridization
(2005)
N. Petkov; Y. Vasileva; Y. Natcheva;
Z. Petkov;
H. Greiss;
O. Galanova;
T. Safonova;
Y. Lijahenko
и др.
Каталог "Статии" | Списание
Assessment of combine ability of perspective Bulgarian and Romanian silkworm Bombyx mori L. races. I. On the basis of diallel crosses
(2005)
Каталог "Статии" | Списание
Tundzha River water quality as a source for irrigation in agriculture
(2013)
Каталог "Статии" | Списание
Possibilities for early pregnancy diagnosis in dairy cows on day 21 after artificial insemination
(2010)
B. Atanasov; L. Mickov; N. Adamov;
V. Petkov;
P. Trojacanec;
K. Ilievska;
M. Nikolovski;
T. Dovenski
и др.
Каталог "Статии" | Списание
Study on the heterosis and its components in hybrids between monobivoltine and polyvoltine strains of silkworm (Bombyx mori L. ) with reference to the cocoon yield characteristic
(2005)
Y. Nacheva; P. Tzenov; N. Petkov