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| Dibbling method with advantage, disadvantage.https://cststudy.blogspot.com/ |
b. Dibbling:
This is
a method of putting a seed or a few seeds or seed materials in a hole or pit or
pocket, made at predetermined spacing and depth with a dibble or planter or
very often by hand or by any convenient implements such as spade, khurpi,
nirani etc. and covering them with soil. This method is suitable for
wider spaced planted crops requiring a specific area for their canopy
development or cultural practices such as weeding, earthing up and irrigation
in furrows. Seeds may be dibbled in level fields or on ridges or the sides of
the ridges or in localized pits or pockets that form hills, rings, or stations
distinctly separated from each other.
Advantages:
For such method of seeding, the
entire field need not be prepared for the seedbed but only the seeding zone.
Moreover:
i.
It
facilitates the practice of conservative tillage and reduces the chances of
soil erosion.
ii.
It
requires less seeds and it gives rapid and uniform germination with good
seedling vigour.
iii.
Intercultural
practices like weeding, earthing up and care of individual plants can be
facilitated.
iv.
When
proper and uniform spacing is maintained, it becomes very easy to calculate the
plant population and thereby expected yield.
Disadvantages:
Uniform germination is not possible
if all seeds are not placed at uniform depth. Besides, dibbling is a more
laborious, time consuming and expensive process compared with broadcasting.
Field condition for dibbling: Seeds are sown in dry or semi-dry
soil conditions and manures and fertilizers including pesticides and soil conditioners
may be applied simultaneously. This method is suitable for planting maize,
cotton, castor, potato, groundnut, pig soybean, cow-pea, soybean, sunflower,
sugarcane, sweet potato, onion, garlic, turmeric, ginger, gourds, napier and
guinea grass.
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