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Sow some seeds in the soil and arrange to water them by drip irrigation. Observe daily.
(i) Do you think it can save water?
(ii) Note the changes in the seed.
When seeds are irrigated using drip irrigation, the water is directly supplied to the seeds and after the seeds germinate, it will directly reach the plants' roots. Thus, this method will save water and nutrients and minimize the evaporation of water and lead to the efficient growth of plants.
The seeds can be observed to imbibe water and germinate earlier compared to the seeds irrigated using traditional irrigation methods.
Seeds irrigated using another method may lack nutrients as water loss occurred during irrigation may wash the nutrient of the soil. While drip-irrigated seeds will produce more crops due to nutrient-enriched soil.
[Extra information:
Drip irrigation is a micro-irrigation system that conserves water and nutrients. In this method, water is allowed to drip slowly directly to the roots of plants, either from above the soil surface or buried below the surface. Here water is directly supplied into the root zone and minimizes evaporation.]
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