- Agroforestry normally involves two or more species of plants at least one of which is a woody perennial
- An agroforestry system always has two or more outputs
- The cycle of an agroforestry system is always more than one year
- All of the above
- Capabilities of the land
- The villagers choice of land use
- Nature of the support the organizational structure provides
- All of the above
- Nature over the past several hundred years hs built-up a reserve of wood in the conifer forests
- They can be characterized as having a high volume of wood per hectare, but a very low annual growth rate
- The high volume per hectare is idal for meeting immediate timber needs
- All of the above
- Influence of soil and moistue conditions
- Influenceof climate
- Succession
- All of the above
- Well-ventilated
- No dampness
- Protection from rodents and insects
- All of the above
- Purity: A sample of seed is weighed before cleaning and after cleaning. The result is expressed in percentage
- Germination trests: A sample of seed is sown in sand or soil in trays in the laboratory
- The sample comprises of 50 or 100 seeds
- All of the above
- Seed should be collected only from healthy trees
- The person should climb the tree and shake branches or pick the needs himself
- The falling seeds should be collected on a cloth sheet spread under the tree
- All of the above
- Forest guard
- Labourers
- Research institute (trained persons and proper selection of trees)
- All of the above
- Plus trees: Trees of good genetic and phenotic constitution
- Seed stands: Small patches of trees in the forest which are better in characters
- It is best to collect seed from trees in such groups
- All of the above
- Quantity required: Sufficient quantity should be collected so that failed areas are timely restocked.
- Ripeness: Only ripe seed should be collected
- Trees suitable for seed collection
- All of the above
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