When you do not have enough manure or compost, you can enrich
the soil all the same.
You do it by sowing plants.
When they have grown to a good size, cut them down, mix them
with the soil by turning it over with a hoe or plough.
The plants rot and make the soil richer. These plants are called
For example, you can sow Pueraria, and plough it in when the
seeds begin to form.
Green manures do not yield any harvest.
They are plants which are grown and then put into the soil. They
enrich the soil with humus and make possible better harvests afterwards.
Manure, compost and green manure require no money.
They require only