In recent years the Kalma Offshore Farm has annually increased output by more than two times.
The farm, built by Kangwon Province several years ago, boasts favourable conditions for cultivation in light of quality and depth of water.
At first, it raised mussels and Undaria pinnatifida (a kind of seaweed) together, but the result was not so good. Some seed ropes had immature mussels or were bereft of seaweeds although the station had all necessary equipment and adopted others’ good experience.
Analysing the reason, the officials and technicians of the station came to the conclusion that they failed to pay due attention to the yearly-worsening abnormal climate and their possible consequences and blindly copied others’ experiences rather than introducing advanced technologies to cope with them.
They drew lessons from the failure and separated the cultivation area into two parts for the mussels and seaweeds, on the basis of the real-time measurement of its marine conditions.
In addition, they adopted an active method designed to dip the seed ropes to a certain degree or lift them for more sunshine in case the temperature of sea water is higher or lower than normal level and it rains heavily.
Meanwhile, the station, in close cooperation with Wonsan University of Fisheries, developed and introduced an efficient underwater monitoring apparatus.
With such efforts progressing one by one, its output began to increase. Now they are raising trepang as part of mixed farming. While taking others’ experiences into consideration, they have introduced an innovative method. Namely, they release the young trepang. When they grow to a certain size, they collect them to increase their weight artificially.
Now the station applies new technologies to create hundreds of hectares of cultivation ground.
Kim Ye Ryong
More From Naenara (En)
The 16th Commodity Exhibition at Pyongyang Department Store No. 1 has closed. The exhibition, which instilled pride and
May 08, 2025
The 16th Commodity Exhibition at Pyongyang Department Store No. 1 has closed. The exhibition, which instilled pride and
On February 14, the groundbreaking ceremony of a modern offshore farm was held in Ragwon County, South Hamgyong Province, in the
May 08, 2025
On February 14, the groundbreaking ceremony of a modern offshore farm was held in Ragwon County, South Hamgyong Province, in the
A great many people around the world are forced out of their homes and subjected to hunger and suffering due to frequent sectarian
May 08, 2025
A great many people around the world are forced out of their homes and subjected to hunger and suffering due to frequent sectarian
Our family moved to a new street built at the third stage in the Hwasong area of Pyongyang. The state gave me a new house before a
May 08, 2025
Our family moved to a new street built at the third stage in the Hwasong area of Pyongyang. The state gave me a new house before a
Shortly ago, a large number of working people moved to the newly-built 10 000 flats at the third stage in the Hwasong area of Pyon
May 08, 2025
Shortly ago, a large number of working people moved to the newly-built 10 000 flats at the third stage in the Hwasong area of Pyon
A dynamic campaign is going on across the country to readjust, reinforce and perfect the nation’s irrigation system in
May 08, 2025
A dynamic campaign is going on across the country to readjust, reinforce and perfect the nation’s irrigation system in
At the invitation of the government of the Democratic People's Republic of Korea, a government delegation of the Republic of
May 08, 2025
At the invitation of the government of the Democratic People's Republic of Korea, a government delegation of the Republic of
Today monumental edifices are springing up one after another in the capital city and other parts of the DPRK to the admiration of
May 07, 2025
Today monumental edifices are springing up one after another in the capital city and other parts of the DPRK to the admiration of
Shortly ago, a special natural cave was discovered in Iryong-ri, Kowon County, South Hamgyong Province of the DPRK. The cave,
May 07, 2025
Shortly ago, a special natural cave was discovered in Iryong-ri, Kowon County, South Hamgyong Province of the DPRK. The cave,
DPRK weightlifter Kim Yong Ju came first at the 2025 IWF World Youth and Junior Championships held in Peru. Kim Yong Ju won three
May 07, 2025
DPRK weightlifter Kim Yong Ju came first at the 2025 IWF World Youth and Junior Championships held in Peru. Kim Yong Ju won three
Among the first winners of the Natural Science Prize newly instituted this year is Prof. Im Song Jin, PhD and chief of a lab in
May 07, 2025
Among the first winners of the Natural Science Prize newly instituted this year is Prof. Im Song Jin, PhD and chief of a lab in
An event took place at the Taedonggang Diplomatic Club on May 5 to mark International Day of the Midwife 2025. Present there were
May 07, 2025
An event took place at the Taedonggang Diplomatic Club on May 5 to mark International Day of the Midwife 2025. Present there were
A new system has been launched in the Democratic People’s Republic of Korea to support the education of children with
May 07, 2025
A new system has been launched in the Democratic People’s Republic of Korea to support the education of children with
True to the Workers’ Party of Korea’s childcare policy, different parts of the country are making further efforts to expand
May 06, 2025
True to the Workers’ Party of Korea’s childcare policy, different parts of the country are making further efforts to expand
Medical education institutes across the country are making efforts to train practical talents. Pyongyang University of Medical
May 06, 2025
Medical education institutes across the country are making efforts to train practical talents. Pyongyang University of Medical
One day in early May in 1998 Chairman Kim Jong Il visited the Sogwang Temple at the foot of Mt Solbong in Kangwon Province’s Kosan
May 06, 2025
One day in early May in 1998 Chairman Kim Jong Il visited the Sogwang Temple at the foot of Mt Solbong in Kangwon Province’s Kosan
One day in December 2021, the respected Comrade Kim Jong Un called an official. He asked the official about the plan for funding
May 05, 2025
One day in December 2021, the respected Comrade Kim Jong Un called an official. He asked the official about the plan for funding
May 5 is International Day of the Midwife. Marking the day every year, the International Confederation of Midwives presents a
May 05, 2025
May 5 is International Day of the Midwife. Marking the day every year, the International Confederation of Midwives presents a
“Song of the Ten-point Programme of the Association for the Restoration of the Fatherland” is one of the immortal works
May 05, 2025
“Song of the Ten-point Programme of the Association for the Restoration of the Fatherland” is one of the immortal works
A schoolchildren’s art group of the Mangyongdae Schoolchildren’s Palace led by Kim Song Il, vice-chairman of the Central Committee
May 04, 2025
A schoolchildren’s art group of the Mangyongdae Schoolchildren’s Palace led by Kim Song Il, vice-chairman of the Central Committee
More Articles
