Efficient Water Management in Polytunnel Gardening
Domestic
polytunnels are available in various-sized structures used for gardening or
allotment purposes, and commercial polytunnels for the production of crops and
plants, they all have various types of growers that use them for differing
cultivation purposes but all require effective and efficient water management vital
for the health and productivity of crops and plants. Adequate and efficient
water supply systems are essential for the healthy and abundant cultivation of
crops such as salads, fruits, flowers, plants, and vegetables. Both commercial
and back garden growers look at the best ways to introduce water systems as a
must-have component for their gardening and cultivation especially commercial
needs ensuring successful outcomes.
One
efficient watering technique used more in commercial polytunnels is the use of
drip irrigation systems. These simple systems deliver water directly to the
soil feeding the roots, and reducing water waste, and providing optimal moisture
throughout the tunnel. Another watering approach is using harvested rainwater collected
into the polytunnel structures through a guttering system and collected in
butts or storage tanks. Provides a cost-effective and environmentally friendly
free water source used in drip irrigation systems, or from watering cans for
most domestic polytunnels, maintaining a consistent water supply.
Water Irrigation System for Domestic and Commercial Polytunnels
Water
is a fundamental element for the growth and health of humans, animals, crops, plants,
trees, etc. For the agricultural and horticultural industries, essential for
stimulating photosynthesis, nutrient absorption, and maintaining strength. A
well-planned irrigation system can ensure that plants and crops receive the
necessary amount of water, which is particularly crucial in controlled
environments like commercial and domestic polytunnels where natural rainfall is
absent due to the covering placed over the frame. Watering in a polytunnel
differs from the outdoor environment of open-air growing. The covering material
used allows for a specific environment within a polytunnel leading to less
water evaporation, and reducing the requirement for daily watering. Advisable
to give a thoroughly good soaking depending on the type of plants or crops, once
or twice a week is often sufficient, this can and will vary depending on the
strength of heat humidity transmitted inside the different types of polytunnel
used. In the UK’s winter period, the watering level decreases, as the heat
humidity lowers.
Manual vs. Automatic Irrigation Systems
Depending
on the size of the polytunnel chosen, some growers decide to go with domestic
polytunnels that can be sold in a variety of sizes to suit the specific
cultivation purpose or commercial polytunnels that can house a large amount of
produce or plants, will determine which watering system suits their
requirements.
Manual
irrigation using a garden hose or watering can, is better suited for smaller
domestic polytunnels. This allows gardeners to directly observe and control the
amount of water each plant or crop receives, ensuring that cultivation specifics
are individually met. It is more time-consuming and laborious than an automated
system, so it may not be best, especially for large single and multi-span
commercial polytunnels.
For
large domestic or commercial polytunnels, automatic irrigation systems are more
practical. These time-saving automatic systems can be operated manually, or set
on a timer, reducing the time and effort required for watering large
cultivation areas. Automatic systems are advantageous for implementing drip
irrigation or soaker hose systems, which provide water directly to the plant
roots, minimising water waste and preventing the overwatering of plants and
crops. The choice between overhead and drip irrigation systems depends on the
specific needs of the plants or cultivated crop types.
Overhead
systems are ideal for robust plants that can tolerate generous spraying of
water, and evenly distribute water across the entire area, ensuring all plants
receive water. They might not be suitable for delicate plants or crops that
require more precise watering. Drip systems are designed for plants that
require watering at the soil and root level, providing hydration directly where
it's most needed. This method is highly efficient for water-sensitive plants or
crops and conserving water. Commercial polytunnels will normally have automated
systems and for domestic polytunnels a drip-feed system, or the good old
watering can.
Read More:
Different Uses and Types of Polytunnel Coverings
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