Reliable and suitable irrigation equipment can lead to a
vast improvement in agricultural production and thus assure the economy
vitality of the region. Many countries depend on irrigated agriculture to
provide the basis of their society and enhance the security of their people.
Effective agronomic practices are essential components of
irrigated systems. Management of the soil fertility, cropping selection and
rotation, and pest control may also help improve the yields just as irrigation
water itself.
Irrigation equipment in Kenya |
Irrigation is not only about watering plants but it’s also
about drainage, soil reclamation and erosion control. It’s therefore important
that if any of these factors are ignored, through either lack of understanding
or planning, agricultural productivity will definitely decline.
How to
choose irrigation equipment in Kenya
Irrigation systems are often designed to maximize
efficiency and minimize labour and capital requirements. The most effective
management practices are dependent on the type of irrigation system and its
design. There are a number of considerations which must be taken into account
in the selection of an irrigation system. This will include the compatibility
of the system with the other farm operations, economic feasibility, topographic
and soil properties, crop characteristics and social constraints.
Compatibility
An irrigation system for a field or a farm must function
alongside other farm operations such as land preparation, cultivation, and
harvesting. The use of the large mechanized equipment requires longer and wider
fields and therefore the irrigation systems must not interfere with these
operations.
The irrigation system may need to be portable or function
primarily outside the crop boundaries. The smaller equipment or animal powered
cultivating equipment is more suitable for small fields and more permanent
irrigation facilities.
Economics
It’s important that you select a relevant irrigation system
because it is a very important economic decision. Some types of pressurized
systems have high capital and operating costs but may utilize minimal labour
and conserve water. Their use tends towards high value cropping patterns.
Other systems are however relatively less expensive to
construct and operate but have high labour requirements. Some are limited by
the type of soil or the topography found on the field. The cost of maintenance
and expected life of the rehabilitation along with an array of annual costs
like energy, water, depreciation, land preparation, labour maintenance and
taxes should therefore be included in the selection of an irrigation system.
Water
supply
The quality and quantity of the source of water can have a
significant impact on the irrigation practices. Crop water demands are
continuous during the growing season and as a result soil moisture reservoir
transforms this continuous demand into a periodic one which the irrigation
system can service.
A water supply with a relatively small discharge is best
utilized in an irrigation system which incorporates frequent applications. The
depths applied per irrigation would tend to be smaller under these systems than
under systems having a large discharge which is available less frequently.
Crops
The yields of many crops may be as much affected by how
water is applied as the quantity delivered. Irrigation systems create different
environmental conditions such as humidity, temperature and soil aeration. They affect the plants differently because they wet different parts of the plant
thereby introducing various undesirable consequences like leaf burn, fruit
spotting and deformation.
On the other hand, Rice thrives under ponded conditions.
Some crops have high economic value and allow the application of more capital
intensive practices. Deep rooted crops are more amenable to low frequency, high
application rate systems than shallow rooted crops.
Its therefore very important to put the above factors in
mind whenever you are choosing irrigation equipment in Kenya so that to avoid
the possible mistakes that could lead to the reduction of farm yields.
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