Monthly Archives: May 2013

Short-term forecast of development and distribution of the main wreckers and diseases in crops of winter crops in March, 2009

In article the forecast of distribution and development of the main wreckers and diseases in crops of winter crops for March, 2009 is given. Untimely carrying out protective measures against diseases and wreckers can bring to a yield loss.
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Linear and scaly karpokarasevy hybrids

In this article there is a speech that the main fish in reservoirs of rural regions is the crucian. It is characteristic, as a look steady against adverse conditions of cultivation whereas the carp perishes in such reservoirs.
When crossing a male of a crucian with a female of a naked carp there is a posterity of a scaly and linear form – karpokaras. Cultivation of karpokarasevy hydrides which have an attractive trade appearance, gives the chance to increase a ryboproduktivnost to
9 c/hectares in addition.
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