Water
Water Related Articles
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Animal behaviour as indicators for weather forecasting and climate predictions
For decades, indigenous people have observed biophysical animate and inanimate beings for weather forecast and climate predictions about current and future weather variables that cannot ...
Technology in a bottle: the story of C4L tech
Think of what matters more to you than anything else in the world. It is likely to be someone, not something. People matter more than ...
The use of cocopeat buffering for hydroponics crop production
Hydroponics crop production relies on soilless substrates, like growth media, to support plants and facilitate water and nutrients uptake. Growth media has a direct impact ...
Water Heritage
Heritage Day is celebrated annually on 24 September in South Africa, particularly to celebrate and mark our nation’s diverse culture and heritage. Water is regarded ...
How to grow herbs and vegetables more efficiently:
Every plant grower knows the need to achieve optimum productivity, whether in a greenhouse, field, garden, hydroponics, or aquaponics system. So how can you do ...
Nile Tilapia: The preferred freshwater Aquaculture species for Africa Part 1
(Oreochromis niloticus) The culturing of fish is a very old practice in Africa, although commercial production of fish is still developing throughout the continent. Some ...
The importance of crop health to sustainable crop production
The productivity of crops relates directly to their health. But what is a healthy crop? A healthy crop is a crop that receives sufficient water, ...
Is Climate Change a Reality?
The Mangaung Metro Municipality experience Whether or not climate change is a reality is a dilemma faced by many within the farming community and poses ...
Solar-powered irrigation systems
Solar-powered irrigation systems (SPIS) are increasingly in demand as they can provide a cost-effective and “clean” solution to increase agricultural productivity. Access to water for ...
The 10 elements of agroecology:
Guiding the transition to sustainable food and agricultural systems. Today’s food and agricultural systems have succeeded in supplying large volumes of food to global markets. ...
Food and clean water start with soil biodiversity
Although soils are vital for agriculture, biodiversity, and clean water, this below-ground world is often overlooked. The loss of life below the ground due to intensification of ...
Water in agriculture
Water is a critical input for agricultural production and plays an important role in food security. Irrigated agriculture represents 20 percent of the total cultivated ...
Floating solar farms could cool down lakes
Solar power is now the cheapest source of electricity in history, according to a 2020 report by the International Energy Agency. But there is something holding this clean ...
Status of Food Security
Food security is generally defined as the situation when all people have physical or economic access to sufficient, safe, and nutritious food at all times ...
Valuing Water
Every year, 22 March has been set aside to mark World Water Day. The 2021 edition titled “Valuing Water” was celebrated in a virtual event ...
Wetlands project at tip of Africa shows the way to ecological recovery
A wetlands project close to the southern tip of Africa is a shining example of environmental recovery that needs to be replicated the world over ...
The organic vegetable garden in urban areas
“In our Twenty-first century of absolute convenience and consumerism, we have become disconnected from nature. We somehow believe that not only can we live separately ...
Tunnel Irrigation
Tunnel irrigation must be designed, managed, and maintained to provide the right amount of water at the right time for the crop to grow optimally. ...
Why do I need a Greenhouse
The purpose of using greenhouses is to avoid the plant from excessive heat or cold and unwanted pests. Greenhouses are used to grow crops year-round, ...
Global Sustainable Technology and Innovation
The Energy and Resources Institute (TERI) in India, in partnership with VITO, a not-for profit research and technology organization in Belgium, along with other partners ...
New technology for water quality monitoring in intensive aquaculture
Aquaculture is increasingly considered as an integral component in the search for global world food security and economic development. The monitoring of farming processes can ...
Micro-irrigation: Technology for efficient water application
Micro irrigation is considered as one of the most efficient irrigation systems, but it should be management and maintained properly to keep it to perform ...
Klimaat en Landboutoestande Oktober 2020
Ryp en lae temperature het steeds voortgeduur oor groot dele van Suid-Afrika gedurende September. Matige tot redelike strawwe ryp het gedurende die laaste week van ...
Global Framework on Water Scarcity in Agriculture
The global framework for action to cope with water scarcity in agriculture in the context of climate change – in short, the Global Framework on ...
Celebrating the development of irrigation technologies
By using water wisely, we are always ready to celebrate irrigation technologies. From the ancient irrigation system Dujiangyan in China that was originally constructed around ...
Regenerative Agriculture is Trending in South Africa
Arable farming systems across South Africa are going through a change. Forced by a variable climate and financial pressure, regenerative farming models are increasingly being ...
Modern Trends in Agriculture and Seafood Value Chains
An argument can be made that every effort should be made to convert low-value fish into foods for direct human consumption rather than the inefficient ...
Climate change, biodiversity loss and other global ills share root causes
The issues of climate change and biodiversity are deeply intertwined. The United Nations Framework Convention on Climate Change and the Convention on Biological Diversity, the international treaties charged with ...
How young vineyards can survive climate change
By choosing the right cultivars and adapting their irrigation regimes in young vineyards, winegrowers may mitigate the expected effect of climate change in coming years. ...
A roadmap to resilience for Western Cape agriculture
The Western Cape has been prone to numerous climate-related extremes such as droughts, heavy rain, floods, storms (with strong wind and hail), wildfires and plant ...
Water scarcity is the next big challenge
“Water scarcity is the next big threat we face in the coming months as the Coronavirus pandemic spreads, particularly in our country where there is ...
Development of Irrigation Technologies
The purpose of an irrigation system is to apply the desired amount of water, at the correct application rate and uniformly to the whole field, ...
Nutrient Dynamics in Aquaponic Systems
The integration of aquaculture and the hydroponic cultivation of plants has been examined repeatedly over the past five decades with a wide variety of system ...
Under Cover farming: Shade Houses
A Shade house is a structure enclosed by nets or any other woven material to allow required sunlight, moisture and air to pass through. It ...
Water-stressed South Africa needs action
WWF welcomes the formal launch of the National Water and Sanitation Master Plan by Human Settlements, Sanitation and Water Minister Lindiwe Sisulu in Pretoria as ...
Climate outlook for 2020
The variable and changing climate Climate conditions were in general unfavourable for agricultural production in the recent past seasons. Severe drought over most of South ...
African Environment Ministers commit to address environmental crises
At the 17th Ordinary session of the AMCEN all 54 African countries have committed to addressing the key environmental challenges of climate change, land degradation, ...
South Africa’s real water crisis: not understanding what’s needed
A serious multi-year drought in parts of South Africa’s Northern and Eastern Cape provinces has seen a number of small towns threatened by total water supply failures and livestock ...
Aquaculture Extension and Outreach Services in Africa
An aquaculture extension service offers technical advice on aquaculture to farmers and supplies them with the necessary inputs and services to support their agricultural production. ...
New technology and innovation in aquaculture and offshore cage farming
Technology can be most broadly defined as the entities, both material and immaterial, created by the application of mental and physical effort in order to ...
Water-related Challenges of the 21st Century
Water gives life and is crucial to development all over the world. It waters the fields; nurtures the crops and stock; provides recreation; it supports ...
Science can double the solar dividend
Researchers have found three new ways to double the solar dividend, making the sun work harder and deliver more to the renewable economy. A new, ...
Reënvalvooruitsigte vir 2019/20
Alhoewel bo-gemiddelde reën teen die einde van die 2018/19-somerseisoen oor die sentrale tot oostelike dele van die land voorgekom het, duur die droogte intens voort ...
Water Smart Irrigation:
A requirement for sustainable agriculture in the water value-chain Water, especially in irrigated agriculture, poses one of the most vital sustainable development challenges of our ...
How to help farmers prepare for climate change
Floods as well as droughts and heatwaves are increasing and will continue to do so in Africa and South Asia. Farmers and governments need to adapt to this changing climate regime. ...
SAB and municipality collaboration release more water
Working in collaboration with local municipalities in Cape Town and Tshwane, SAB has managed to help provide a total 4.4-billion litres of additional water per ...
Fish management in an aquaponics system
When growing fish in your aquaponics system, it is important to maintain good water quality. As an aquaponics grower you have the responsibility to keep ...
Solar pumps for the future
The use of solar borehole pumps is common all over South Africa and solar pumps for the future is a given. Famers have been using ...
Scientists split on SA’s winter and summer rainfall zones
South Africa is among a handful of countries that experience winter rainfall in some areas and summer rainfall in others, but scientists are split on ...
Agricultural water file: Farming for a drier future
The agricultural sector remains particularly vulnerable to water risks and a changing climate. This article investigates farming for a drier future by building resilience in ...
Water Flow Dynamics in Aquaponics Systems
Masaru Emoto (22 July 1943 – 17 October 2014) was a Japanese author and entrepreneur who said that human consciousness influences the molecular structure of ...
Salt-free drinkable water comes at a cost
Two thirds of the world worries about water for at least a month annually. One successful source of salt-free drinkable water leaves a bitter aftertaste. ...
Agri Western Cape relieved that water restrictions have been lifted
Agri Western Cape is relieved that agriculture’s water restrictions have been lifted to 10%. This will help the sector a great deal with recovering from ...
The potential of duckweed as feed source in tilapia production
Using fish feeds in aquaculture (sometimes referred to as artificial or aqua feeds) generally increases productivity. Feeds usually constitute the most important operating cost for ...
Climate change apocalypse
More heatwaves and very hot days, bringing further drought to southern and North Africa. Crop yield and livestock production hammered. That’s the grim outlook sketched ...
US bekyk klimaat-slim landbou
Droogte en ‘n toename in waterrisiko’s is die nuwe werklikheid vir Afrika. Talle produsente en rolspelers in die landbousektor het reeds hierby begin aanpas en ...
Nanobubble technology in aquaculture production systems
The metabolic rates of fish can be severely affected by the concentration of oxygen in a rearing environment. Suppressed dissolved oxygen levels leads to decreased ...
Floating Wetlands: creating habitat and clearing water
Small steps to making a big difference The term “floating wetlands” might at first conjure up an image of large swathes of dense papyrus reeds ...
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