 | Better Farming Series 04 - The Soil: How the Soil is Made up (FAO - INADES, 1976, 37 p.) |
 |  | (introduction...) |
| | Preface |
| | Plan of work |
| | Why we study the soil |
|  | Different kinds of land |
| | (introduction...) |
| | The soil |
| | The subsoil |
| | The parent rock |
| | Examples of different soils |
| | What is soil made of ? |
| | (introduction...) |
| | Sand |
| | (introduction...) |
| | Sandy soils |
| | Clay |
| | (introduction...) |
| | Clay soils |
| | Silt |
| | (introduction...) |
| | Silty soils |
| | Humus |
| | (introduction...) |
| | What humus does |
| | Some practical advice |
| | Air in the soil |
| | Water in the soil |
| | (introduction...) |
| | Circulation of water in the soil |
| | Practical advice |
| | Living creatures in the soil |
| | Earthworms |
| | Rats and other animals |
| | Termites |
| | Other insects |
| | Microbes |
| | Suggested question paper |
Termites
Termites destroy dead plants.
They make holes in dead
plants.
For instance, they destroy wood.
Part of the organic matter
remains on the spot, mixes with the soil and produces humus.
The rest is
taken away by the termites to their nests.
Termites bring up fine
earth.
They go deep into the soil to get fine earth.
They bring it up to
make their nests.
When a nest is destroyed, the fine earth is mixed with the
cultivated layer. This layer becomes deeper.
But termite nests are sometimes
very big and very hard. They are a nuisance to the
farmer.
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