purpose Preventative spray
Take handfuls of nettle, comfrey, yarrow,
horsetail, dandelion and cover with water. When the water is a weak tea
colour spray on plants
Add more water to the mix and
use again when strong enough.
After the mix is used then use remnant
herbs for a mulch.
Use within 1 hour of making
Copper sulphate fine crystals---bluestone
Calcium hydroxide. Use builders lime not agricultural lime.
This must be from an unopened bag because when exposed to air it becomes carbonated and could
be dangerous to plants.
90 g copper
sulphate with 6.5 liters
cold water—Use a non metal container.
It must be thoroughly mixed
otherwise it will not stick to the plants.
calcium hydroxide in 2.5 liters cold water
If either liquid is lumpy then
strain , it may block the spray nozzle.
Mix the 2 together and
To check if ok;
Test with an old nail—dip in the mixture for 30 seconds.
If it comes out blue, add more lime or more mixing to dissolve the lime.
Use only once the test is
For large scale orchards use 1kg copper sulphate and
750gm lime to 100 liters water