Resource Book on Horticulture Nursery Management

(b) Sub-Surface Drainage:
A sub surface or underground drainage will remove excess soil water. It percolates in to
themselves, just like open drains. These underground drains afford the great advantages
that the surface of the field is not cut off, no wastage of land and do not interfere with
farm operations. On the other hand, they are costly to design the layout and not effective
in slowly permeable clay soils. Types of underground drain are, tile or pipe drain,
box drains, rubble drains, mole drains and use of pumps for drainage.
Draining excess water from field through underground drain pipes.
(C) Training and Pruning in Nursery
Training and pruning are two inter-related operations required in the nursery and
field. Training is primarily done to give proper shape to the plants, while pruning is
mainly concerned with the productivity or vitality of the plants. Both these practices
involves the judicious removal of the undesirable plant parts like branches, limbs, twigs,
flowers, shoots or roots etc.
Training
Training may include operations leading to staking or supporting to a nursery plants
and it also primarily done to give proper shape to the nursery grown plants.
Training is primarily carried out in plants to provide the plant a mechanically strong
framework, to expose maximum leaves to light for the photosynthetic process, for easy
detection of diseases and pests and facilitate pest management and to ensure full
sanitation by the removal of diseased parts or twigs and proper application of pesticides
for elimination of the pest and disease.
Pruning
Pruning is an operation for the removal of live or dead branches and pest and disease
infested branches from nursery plants to check spread of pest and disease in nursery
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