Pest and disease find easy to attack because they are grown in a very large numbers within a confined space. Crop rotation helps to keep problems to a minimum, but there are certain pests which attack a wide range of crops and these can be controlled in numerous way.
Aphids, Greenfly black fly and there relatives some which are pinkish red in co lour
are easily killed by spraying with a specific aphicide which will not harm ladybirds, lacewings bees among others
While doing so it is very useful to read instructions on the cover per recommended on the container.
can be killed by poisoned bait placed under propped up tile or slate
adjacent to susceptible plants. the slug pellets need to be replenished
when they become wet and soggy and should always be kept out of reach of
If pets and garden animals are felt to be at risk
slug traps should be constructed, sink an old yogurt carton into the
soil, its rim level with the surface and fill with beer, the following
morning empty out the slugs and snails which will have crawled in
overnight and died in the heady brew.
When it comes to birds
avoid poisoning them but just cover the plants completely with plastic
papers netting held over a framework of canes, this is because some
spray on birds will last longer
There are also some
traditional way of keeping your vegetable garden healthy away of
chemical one of them is crop rotation and using plants to treat pest eg
onion and flowers with strong perfume
Using plants to treat pest is not new to farmers in Africa and Asians Countries and Countries like Peru among others.
example in Western Kenya not only farmers use plants to treat pest but
also fishermen use them to fish, the major problem is that since there
is no much documented information some farmers use plants to treat pest
without there knowledge