Селскостопанска академия

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Намерени са 8 резултата. Да не би да имахте предвид petrol?

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Автор да съдържа N. Petkov
First data on the pesticide residues in samples of honey bees and food stocks in the Apis mellifera colonies from Bulgaria
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; и др.

Evaluation of genetically sex-marked at eggs and larvae stage silkworm Bombyx mori L. hybrids based on silk productivity
Каталог "Статии" | Списание
Evaluation of genetically sex-marked at eggs and larvae stage silkworm Bombyx mori L. hybrids based on silk productivity
(2007)
N. Petkov; Y. Nacheva; Y. Vasileva; и др.

Complex evaluation of silkworm Bombyx mori L. ameiotic parthenoclones
Каталог "Статии" | Списание
Complex evaluation of silkworm Bombyx mori L. ameiotic parthenoclones
(2005)
N. Petkov; Y. Vasileva; Y. Natcheva; и др.

Mathematical prognosis at choice of ameiotic parthenoclones and genetically sex-limited at larva stage silkworm Bombyx mori L. lines for industrial hybridization
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; и др.

Assessment of combine ability of perspective Bulgarian and Romanian silkworm Bombyx mori L. races. I. On the basis of diallel crosses
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)
N. Petkov; Y. Natcheva; Y. Vasileva; и др.

Tundzha River water quality as a source for irrigation in agriculture
Каталог "Статии" | Списание
Tundzha River water quality as a source for irrigation in agriculture
(2013)
G. Kostadinova; N. Georgieva; Z. Yaneva; и др.

Possibilities for early pregnancy diagnosis in dairy cows on day 21 after artificial insemination
Каталог "Статии" | Списание
Possibilities for early pregnancy diagnosis in dairy cows on day 21 after artificial insemination
(2010)
B. Atanasov; L. Mickov; N. Adamov; и др.

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
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