| you are: Features of pollination of various cultures
The control over quality of pollination. An indicator of efficiency of pollination of plants is attendance their bees, that is quantity of working bees on unit of the area or on certain quantity tsvetkov.
Attendance of pollinated culture is defined by bees as follows. In the field by means of a twine separate the area in the size of 100 m in length and 1 m in width. Passing along the area there and back, the observer counts up number of working bees, which then divides on 2 to receive average size. If in the course of check it will be found out, that on unit of a pollinated field of bees works less, than it is recommended, it is necessary to take measures for efficiency increase pcheloopylenija as it is specified at pollination of a clover of the meadow red.
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