The issue of protecting onion plantings from onion fly is relevant for all gardeners.
To prevent the appearance of pests, it is important to carry out pre-sowing treatment correctly.
How to do this is explained by the expert of the online publication Belnovosti, agronomist, landscape designer Anastasia Kovrizhnykh .
How and what to treat onion sets with
First, the onion needs to be soaked for 3 hours in an aqueous solution of birch tar (one tablespoon per liter of water).
After this, we dust the onion with wood ash, and immediately before planting, we dip the bottom of each onion in a mixture of slaked lime and hot pepper.
Also, before planting, it is necessary to water the beds with a tar solution (a tablespoon per bucket of water).
It is advisable to water the onion beds with tar solution three times per season.