Read the following passage and answer the questions below: In some parts of Bangladesh, farmers are using their submerged lands for crop production by adopting scientific methods which are similar to hydroponic agriculture practices whereby plants Southern floodplains of Bangladesh. The unique hydroponics production system was developed in can be grown on the water in a bio-land or floating bed of water hyacinth, algae or other plant residues. Floating gardens (locally known as Dhap) are age-old practice of crop cultivation in the the hands of the locals by using their traditional knowledge for agricultural practice and livelihood. Bio-diverse vegetables and spices crops are grown sustainably over the years on floating substrata made mainly of water hyacinth and other minor aquatic weeds on flooded water. The land with the water is used for production of fish in the open water and crops on the floating-beds. Thus, ensures a sustainable utilization of agro-biodiversity, natural resources and multiple use of the land. Floating agriculture practices have minimal infrastructure and costs can also be kept low because raw materials for the construction of floating beds are readily available from local waterways. This gives the opportunity to many people living in this area to cultivate using this technique. The advantages of floating garden agricultural heritage system are manifold. The floating beds are made of free, locally abundant materials, especially water hyacinth. This is considered to be one of the most dangerous invasive species due to its high reproduction speed but in this particular farming system, this notorious weed is converted to most useful resources. Since crops could absorb prime nutrients such as nitrogen, potassium and phosphorus from the floating beds and below water, there is almost no need for fertilizer input. After collecting water hyacinth, bamboo is laid on a dense layer of water hyacinth to enable people to stand on it, and then more water hyacinth is piled on top to make it compact. The eventual thickness depends on the duration of water-logging, for it must be able to float during that time. To accelerate the process, the previous year's decomposed bed or raft can be used. Because it allows better control over this plant, some researchers have noted the greater productivity of floating bed practices compared with traditional land-based agriculture.

Describe how the Dhap is considered a type of hydroponic agriculture practice.

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Updated: 1 year ago

Answer :

Hydroponics agriculture practice is an age-old practice of crops production where local people using their traditional apparatus and agricultural knowledge develop a system for producing bio-diverse vegetables and crops in the floating lands.

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Describe how the Dhap is considered a type of hydroponic agriculture practice.

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Describe how the Dhap is considered a type of hydroponic agriculture practice.

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