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        MNJTF deploys swamp buggies to tackle terrorism, water hyacinths in Lake Chad  

        Nigerian Army boosts troops’ morale with 70 houses to end terrorism, kidnapping

        DHQ Debunks Misleading Reports, Says CDS Musa Never Blamed Benue Victims

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          MNJTF deploys swamp buggies to tackle terrorism, water hyacinths in Lake Chad  

          Nigerian Army boosts troops’ morale with 70 houses to end terrorism, kidnapping

          DHQ Debunks Misleading Reports, Says CDS Musa Never Blamed Benue Victims

          Troops Foil Massive Bandit Invasion in Kebbi, Neutralize Dozens

          CDS Musa Launches Youth-Led SAVE Task Forces, Rallies Northeast Students Against Extremism

          CDS Musa Launches Youth-Led SAVE Task Forces, Rallies Northeast Students Against Extremism

          Navy, Army commit to secure naval base, Lake Chad waters against insurgency in Borno

          Navy, Army commit to secure naval base, Lake Chad waters against insurgency in Borno

          Army Vows Crackdown on Benue Killers, Strengthens Operations Nationwide  

          Army Vows Crackdown on Benue Killers, Strengthens Operations Nationwide  

          Army, Police collaborate to tackle insecurity, two others in Borno

          Army, Police collaborate to tackle insecurity, two others in Borno

          Deadly Blow to Terror: Haram Commander Abu Fatima Killed in Kukawa Strike

          Deadly Blow to Terror: Haram Commander Abu Fatima Killed in Kukawa Strike

          Fierce Firepower: Troops Repel Boko Haram Attacks in New Marte, Kumshe — Recover VBIED, Neutralize Dozens

          Fierce Firepower: Troops Repel Boko Haram Attacks in New Marte, Kumshe — Recover VBIED, Neutralize Dozens

          NAF Jets Pound Over 100 Illegal Refineries in Niger Delta Blitz

          NAF Jets Pound Over 100 Illegal Refineries in Niger Delta Blitz

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          SDG Zero Hunger Target: Ocean farming for global food security (II), by Prof. MK Othman

          Halima Abdulkadiri by Halima Abdulkadiri
          May 26, 2022
          in Agriculture, Improving Minds Monday Column
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          SDG Zero Hunger Target: Ocean farming for global food security (II), by Prof. MK Othman

          As presented in the first part of this article, the earth’s surface area is 71% covered by oceanic water. The water is mainly being used for navigation, transport, and other economic and sporting activities.

          Today, humanity has started using 71 per cent of the earth’s surface occupied by the ocean for farming activities. This becomes necessary because of the environmental implication of bringing more land into cultivation as the greenhouse emission is likely to increase. So, ocean farming is the newest innovation and one of the identifiable solutions to the challenges of greenhouse emissions and the attainment of global food security. Imagine crops growing in the ocean without fertilizer application, no air, no soil, no freshwater, only seawater and sunlight.

          What is “Ocean Farming”?

          Ocean farming involves the growing of food in the ocean for consumption and meeting the dietary needs of the human body. Ocean water is salty and inhibits nutrient uptake of arable and perennial crops grown on the upland. However, as one may discerningly observe, sea vegetables exit flourishing within and under the ocean.

          Are these vegetables edible? Are they tasty and nutrient-rich? If yes, then, they are easily converted to become food crops. Raising, protecting and facilitating the growth of these edible seas or ocean vegetable is ocean farming.

          Ocean farming does not practically require weeding, tillage practices and protection of crops against pests and diseases thereby saving costs commonly incurred from such operations. Ocean farming is “zero-input food production”, and requires no additional freshwater, fertilizer, pesticides, feed or soil to grow. As the price of fertilizer, herbicide, insecticide, water, and feed goes up, zero-input farming will naturally be the most affordable food on the planet. Plants in the ocean receive nutrients directly from sunlight and beneath the sea. Such nutrients help the plant to grow healthy and super-fast. Plant in the ocean can grow 2–2.5 cm a day as stated by an expert in ocean farming. Some of these inputs are hugely energy-intensive and have huge climate risks to both freshwater and soil. Ocean farming can be so exciting in addition to its profitability compared to land farming.

          The technique of ocean farming or “3D ocean farming” consists of horizontal ropes on the water’s surface, anchored to hurricane-proof floats that connect to lines underwater supporting seaweed crops and interspersed with hanging net enclosures to grow scallops and mussels. Clam and oyster cages, also connected to the surface ropes, sit on the seafloor. The major crop in ocean farming is seaweed, which is known to improve the marine environment by absorbing dissolved nitrogen and phosphorus.

          These are two pollutants that end up in the ocean through agricultural runoff, and carbon dioxide, which drives ocean acidification and global warming. Oyster, another major sea vegetable is also another good nitrogen remover from water. Seaweed is a highly nutritious addition to human diets and contains protein, vitamin C and calcium.

          Seaweeds contain more vitamin C than orange juice, more calcium than milk, and more protein than soybeans, which are the major feeds of fish, which make them highly nutritious.

          “By eating the plants fish eat, we get the same benefits while reducing pressure on fish stocks.

          “So, it is time that we eat like fish” as posited by an ocean farmer.

          In addition, seaweed can be used as a potent soil fertilizer and animal feed.

          Ocean farming is not only environmentally friendly but revitalises degraded or dying ecosystems by creating seaweed groves that become nurseries and sanctuaries for many marine species. The kelp recaptures some of the nitrogen and phosphorus released from wastes that escape from the aquaculture pens, helping make salmon farming — whose high concentration of fish produces large amounts of faecal material — measurably cleaner.

          It is a proactive approach to conservation, which goes beyond the growing movement to create no-fishing reserves. Therefore, in this era of climate change, serious consideration should be accorded to the preservation of the world’s oceans so that they continue to serve humanity without becoming destructive.

          Consequently, there should be a strategy for the restoration of oceans within the conservation efforts of environmentalists. Questions asked by enthusiastic ocean farmers capture the environmental friendliness of ocean farming. “It is not just about: How can we save the oceans? How can we protect the sea animals? It is also about how the oceans can save us? How can it provide food, jobs, safety, and a sustainable way of life? I’m convinced the answer is ocean conservation with symbiotic green farms.,” which is successfully being provided by Ocean farming.

          The profitability of ocean farming is the result of the prolific nature of ocean greens such as kelps, which are not only small boutique crops but can grow incredible amounts of food in small areas. Kelps can produce 25 tons of greens and 250,000 shellfish per acre in five months.

          Additionally, seaweeds could be a powerful source of zero-input biofuel. Feasibility studies from a research station indicated that 2,000 gallons of ethanol per acre could be produced from seaweeds — that is 30 times higher yield than soybeans and five times more than corn can produce. The kelp will grow eight to 12 feet in five months. And the whole food column is nourishing. The oysters, mussels, and scallops provide low-fat protein and all sorts of important vitamins: selenium, zinc, magnesium, iron, B vitamins, and omega-3s. When the sea vegetables are analysed; they were found to contain lots of vitamins and minerals and nine different amino acids, plus omega-3s.

          Ocean farming is the most efficient way of growing food, environmentally sustainable way possible — vertically. And it grows quickly. Can Nigerian farmers start to think of ocean farming? Well, in Nigeria, we are yet to cultivate fifty per cent of our arable land, and thus, ocean farming is more theoretical than practical, however, this option is still available for our future needs.

          Yes, let the authority develop an additional 40% of the arable land through infrastructural development and adoption of mechanised farming to achieve food security. This is very possible if we put our thinking caps, and do the right thing at the right time. The ball is in the court of our leaders.

          SDG Zero Hunger Target: Ocean farming for global food security (II), by Prof. MK Othman

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          Tags: FarmingFoodGlobalOceanSDGsecurity (II)TargetZero Hunger
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