| 摘要 |
A method of aggregating natural entomophage populations involves measures directed on preserving thereof. Within the ranges of agrocenoses around perimeter thereof nectariferous plants are grown, in particular representatives of the families of composite, umbelliferous and spurges in an equal proportion. In addition, among representatives of species of cruciferous plants, two thirds is a segetal species, in particular bittercress.
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