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per hectare while only 160 to 170 kgs 'guti urea' is sufficient for the UDR said Mofizul Islam, senior agriculturist of International Centre for Soil Fertility and Agricultural Development (IFDC) in Dhaka.
But one to 1.5 tonnes more rice can be produced using guti urea. If generally 4 tonnes rice is produced in a hectare, then its production will be 5 to 5.5 tonnes with UDR he said.
"When guti urea is used, paddy plants do not suffer from hidden hunger, meaning that the plants take protein when necessary. But in case of broadcast urea, its amount may be less or more,” Mofizul Islam told The Daily Star.
Besides, a lot of nitrogen goes in the air during the use of broadcast urea, affecting the
1 environment. Morewved^grow ■ in the paddy Geld because of using traditional urea.
Guti urea supplies balanced food to the plants. Farmers can also save their time, as the number of weeds is low because of using the UDP technology.
Barik Master, a fanner of Tangail, said he used only 500 to 600 grams guti urea per decimal during the last Boro season while he used 1 kg to 1.25 kg
traditional urea for the same land.
"Surprisingly, the yield was over 27 kgs per decimal last time while it was around 20 kg in the past years,” he said.
Barik said his total cost was Tk 3,000 for 15-decimal land while the yield was over 10 maunds.
Farmers suffer loss or can make a very marginal profit by selling paddyatTk 480 toTk500, Barik said, adding that he could make a good profit if the production cost is reduced.
With the assistance of IFDC and Department of Agriculture Extension, 6.5 hectares of land in 310 upazilas across the coun -try were brought under UDP technology last Boro season. IFDC introduced the technology in the'90s.
Only in last Boro season, the t e t+u WhVg V it'
84*500 metric tons of urea fertiliser, says a calculation.
Dr AKM Farhad said 80 percent land used for rice cultivation could be brought under the technology. Rest 20 percent is not possible because guti urea cannot be used for high, more sandy and clay land.
"We do not need to import urea if all the factories can produce fertiliser,” he said.