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Fertilizer nutrient imbalance to limit food production in Africa - IIASA (2014)

Fertilizer nutrient imbalance to limit food production in Africa - IIASA (2014) | NGOs in Human Rights, Peace and Development | Scoop.it

A growing imbalance between phosphorus and nitrogen fertilizer use in Africa could lead to crop yield reductions of nearly 30% by 2050... Underuse of phosphorus-based fertilizers in Africa currently contributes to a growing yield gap—the difference between how much crops could produce in ideal circumstances compared to actual yields... 

 

“This research shows that the imbalance between nitrogen and phosphorus applications has the potential to further limit food production for a growing population in Africa” says Marijn van der Velde, a researcher now at the Joint Research Centre of the European Commission, who led the study while working at IIASA.

 

While nitrogen-based fertilizers can be produced by a process that extracts the element from the air, phosphorus must be mined from rock—and reserves are limited. That makes phosphorus fertilizers expensive, especially in the longer term.

 

“Farmers with limited money are more likely to buy and have access to cheaper nitrogen-based fertilizers,” says van der Velde. “While this might work in the short term, in the longer term it has a negative effect on crop growth as soil nutrients become more imbalanced.” ... 

 

But fertilizer use remains very low in Africa, and to increase crop production, it is widely recognized that farmers must increase their fertilizer use. And while nitrogen-based fertilizer usage has begun to increase in Africa in the last 10 years, the application of phosphorus to cropland has not kept pace... increases in nitrogen and phosphorus inputs must happen in a way that provides crops with the balanced nutrient input they need... 

 

But because of the cost of phosphorus, that remains a challenge. ”While much of the remaining phosphorus reserves are found in Morocco, on the African continent, we need to find better ways for African farmers to access this precious resource” says van der Velde...

 

http://www.iiasa.ac.at/web/home/about/news/20140128-phosphorus-africa.html

 

Original article:  
http://dx.doi.org/10.1111/gcb.12481

 


Via Alexander J. Stein
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Fertilizer nutrient imbalance to limit food production in Africa - IIASA (2014)

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Mew's curator insight, February 9, 2014 4:35 AM

      This article is about how a continental study of soil in Africa found that fertilizer usage is imbalanced, currently causing reductions in crop yields of around 10% compared to optimal circumstances. Farmers in Africa generally do not have money to buy expensive phosphorus-based fertilizer, so instead they only use nitrogen-based fertilizer. Using solely nitrogen-based fertilizer in the short term is acceptable, but over time it changes the nutrient balance causing less fertile land; both nitrogen and phosphorus fertilizer need to be used.

      This article helps me to understand Africa because the textbook only talks about the impact of water accessibility on agriculture. It is widely accepted that fertilizer helps to bolster crop growth. Before, I was not aware that there were two types of plant fertilizer. This study is extremely important to Africans because most Africans are farmers. Farming is the most important economic activity in Africa so this find helps to justify spending upon phosphorus fertilizer as well.

      My opinion is that this study is useful for all farmers. Before, local and national surveys were conducted but this is the first continental study. Perhaps, because most of the phosphorus mined in Africa originates from Morocco, the country of Morocco could collaborate with other countries that rely upon agriculture. Government spending on behalf of the farmers would be well justified because this effect will continue to compound if no more phosphorus-based fertilizer were used along with nitrogen fertilizer.

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Roads for Development - Improving Timor-Leste's rural road network using labour-based technologies

The film features the Road for Development (R4D) programme, designed to lead and coordinate all rural road development and maintenance activities in ...
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These are the countries with the least press freedom in the world

These are the countries with the least press freedom in the world | NGOs in Human Rights, Peace and Development | Scoop.it
The World Press Freedom Index 2015 was released earlier this year, in which the UK slid for a fourth consecutive year to rank 34th out of 180 countries.
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Succession: Zim VP Mnangagwa 'playing his cards well' - News24

Succession: Zim VP Mnangagwa 'playing his cards well' - News24 | NGOs in Human Rights, Peace and Development | Scoop.it
Zimbabwe’s vice president Emmerson Mnangagwa could be positioning himself as the sole successor of President Robert Mugabe, analysts say, following an interview with the London-based New African magazine.
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Kasukuwere Axes Mnangagwa aide Mutodi - ZimEye - Zimbabwe News

Kasukuwere Axes Mnangagwa aide Mutodi - ZimEye - Zimbabwe News | NGOs in Human Rights, Peace and Development | Scoop.it
ZimEye - Zimbabwe News Kasukuwere Axes Mnangagwa aide Mutodi ZimEye - Zimbabwe News Zanu PF national political commissar Savior Kasukuwere has reportedly stirred a tribal storm after banishing flamboyant businessman Energy Mutodi from taking his...
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The Tech Skills Drought - Should SMEs Bite The Apprenticeship Bullet? - Forbes

The Tech Skills Drought - Should SMEs Bite The Apprenticeship Bullet? - Forbes | NGOs in Human Rights, Peace and Development | Scoop.it
According to Britain's Chartered Institute of Personnel and Development (CIPD), a majority of Britain's graduates are working in jobs that don't require a degree.
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Mathuthu purges Shonas from Chronicle - ZimDaily

Mathuthu purges Shonas from Chronicle - ZimDaily | NGOs in Human Rights, Peace and Development | Scoop.it
ZIMBABWE - Chronicle Editor Mduduzi Mathuthu who is the proprietor of NewZimbabwe.com, a rabidly anti-ZANU PF website based in England is at the centre of a storm after being accused of playing a trib...
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Living in the Age of the Storyteller: Global History and the Politics of Narrative

Living in the Age of the Storyteller: Global History and the Politics of Narrative | NGOs in Human Rights, Peace and Development | Scoop.it
Lori Lee Oates History Department, University of Exeter Follow on Twitter @LoriLeeOates In late June, I had the honour of hearing Professor David A. Bell speak at the Society for the Study of Frenc...
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Fossil Fuel Subsidies: Overview - Oil Change International

Fossil Fuel Subsidies: Overview - Oil Change International | NGOs in Human Rights, Peace and Development | Scoop.it
A fossil fuel subsidy is any government action that lowers the cost of fossil fuel energy production, raises the price received by energy producers or lowers the price paid by energy consumers. Learn more and join the call to end them!

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Oil

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Coffee Party USA's curator insight, July 31, 4:55 PM

"As of July 2014, Oil Change International estimates the total value of U.S. subsidies to the fossil fuel industry at $37.5 billion annually, including international finance.  This does not include military, health, climate, or local pollution costs.  These subsidies have increased dramatically as U.S. oil and gas production has increased."

Jocelyn Stoller's curator insight, July 31, 5:43 PM

"As of July 2014, Oil Change International estimates the total value of U.S. subsidies to the fossil fuel industry at $37.5 billion annually, including international finance.  This does not include military, health, climate, or local pollution costs.  These subsidies have increased dramatically as U.S. oil and gas production has increased."

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Hillary Criticizes Businesses For Not Paying Interns While Her Interns Work For Free

Hillary Criticizes Businesses For Not Paying Interns While Her Interns Work For Free | NGOs in Human Rights, Peace and Development | Scoop.it
In addition to supporting a $15 per hour minimum wage and creating a plan to “make college more affordable,” Democratic presidential candidate Hillary Clinton has criticized businesses that do not pay interns, while her own campaign makes its...

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State firearm legislation and non-fatal injuries: What's the relationship? - Journalist's Resource

State firearm legislation and non-fatal injuries: What's the relationship? - Journalist's Resource | NGOs in Human Rights, Peace and Development | Scoop.it
2015 study published in the American Journal of Public Health that examines whether stricter state-level firearm legislation is associated with fewer non-fatal gun injuries.
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Why are so many people in U.S. prisons? Key findings from the National Research Council - Journalist's Resource

Why are so many people in U.S. prisons? Key findings from the National Research Council - Journalist's Resource | NGOs in Human Rights, Peace and Development | Scoop.it
2014 report from the U.S. National Research Council presenting key data, findings and recommendations about the country's prison and criminal justice systems.
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Racial discrimination and health effects: Current research and new areas of study - Journalist's Resource

Racial discrimination and health effects: Current research and new areas of study - Journalist's Resource | NGOs in Human Rights, Peace and Development | Scoop.it
2015 paper in the Annual Review of Clinical Psychology reviewing the research literature on how racial discrimination can impact the health and well-being of individuals.
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Exploring the relationship between income inequality and rates of innovation - Journalist's Resource

Exploring the relationship between income inequality and rates of innovation - Journalist's Resource | NGOs in Human Rights, Peace and Development | Scoop.it
2015 working paper for the National Bureau of Economic Research that explore the links between innovation, top income inequality, social mobility and lobbying.
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Peace is possible: Eight stories of change from Zimbabwe

Peace has many faces. This booklet presents eight stories which show how people in Zim
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babwe managed to deal peacefully with conflicts.
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Zim to get $6m farm implements - Chronicle

Zim to get $6m farm implements - Chronicle | NGOs in Human Rights, Peace and Development | Scoop.it
Zim to get $6m farm implements Chronicle VP Mnangagwa said the farming implements will enhance agricultural productivity and ensure food security at household level as espoused under the Zimbabwe Agenda for Sustainable Socio-Economic Transformation...
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Urban Development ministry launches common model card for use in metros and ... - Economic Times

Urban Development ministry launches common model card for use in metros and ... - Economic Times | NGOs in Human Rights, Peace and Development | Scoop.it
Ministry of Urban Development has launched a Smart National Common Mobility Card model to enable travel by metros and other transportation systems.
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Off to a strong start: putting the Sustainable Development Goals into practice

Off to a strong start: putting the Sustainable Development Goals into practice | NGOs in Human Rights, Peace and Development | Scoop.it
Development Progress and Southern Voice are calling for regional research papers to help frame prioritisation for implementation of the Sustainable Development Goals. Deadline for proposals: 11 September.
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Challenges in Mobilising Agric Funding for 2015/16 Season - AllAfrica.com

Challenges in Mobilising Agric Funding for 2015/16 Season
AllAfrica.com
Reserve Bank of Zimbabwe governor, John Mangudya recently brought some relief to those who borrow from banks to finance agriculture, among other things.
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Farming in Zimbabwe
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Abbas orders Palestinian branch of Geneva Initiative closed over political rivalry - Diplomacy and Defense

Abbas orders Palestinian branch of Geneva Initiative closed over political rivalry - Diplomacy and Defense | NGOs in Human Rights, Peace and Development | Scoop.it
Israeli branch of peace initiative condemns move by Palestinian president to shut down NGO headed by ousted PLO official Yasser Abed Rabbo.
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Six Key Findings on the Use of Theories of Change in International Development |

Six Key Findings on the Use of Theories of Change in International Development | | NGOs in Human Rights, Peace and Development | Scoop.it
A new JSRP paper seeks to address a critical gap in understanding the actual effects of using a Theory of Change approach in international development work.
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George Washington’s Farewell Address: A ‘Warning Against the Impostures of Pretended Patriotism’

George Washington’s Farewell Address: A ‘Warning Against the Impostures of Pretended Patriotism’ | NGOs in Human Rights, Peace and Development | Scoop.it
On Independence Day, against official claims that mass domestic surveillance is needed to ensure U.S. security, Truthdig reprints the farewell address of the first president of the United States.

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George Washington Farewell Address

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Police SWAT Raid On Organic Farm After Tomato Plants Mistaken For Marijuana

Police SWAT Raid On Organic Farm After Tomato Plants Mistaken For Marijuana | NGOs in Human Rights, Peace and Development | Scoop.it
A SWAT team composed of between 15 to 20 officers raided an organic farm, named the “Garden of Eden” and it was all because they mistook tomato plants for marijuana!

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Religion Meets Rebellion: How ISIS Lured 3 London Girls

Religion Meets Rebellion: How ISIS Lured 3 London Girls | NGOs in Human Rights, Peace and Development | Scoop.it
An online culture that blends youthful rebellion with radical religiosity helped draw popular, high-achieving friends to Syria.
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Jeff Domansky's curator insight, August 18, 3:14 AM
It's a powerful story, a tragedy for the families and a big challenge for Western society and modern Western Muslims.
rodrick rajive lal's curator insight, August 20, 6:37 AM

A sad story about young people being exploited for their naivete and gullibility. This is also a phenomenon arising out of a sense of helplessness, boredom, and lack of adventure, change, and challenges. In many cases, unemployment, and lack of success both at school, at home and the society might cause the young to fall prey to the lure of a more exciting life where they have the power to make a change to the society. The sense of being marginalised and not heard, being slighted by the society, and not having a voice that is heard are all aggravating factors.

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Small worlds and the clash of civilizations: New data on the dimensions of a globalized world - Journalist's Resource

Small worlds and the clash of civilizations: New data on the dimensions of a globalized world - Journalist's Resource | NGOs in Human Rights, Peace and Development | Scoop.it
2015 study from Stanford, Cornell and others on patterns of global social networks and how underlying data reveal distinct civilizations, despite borderless portrayals of cyberspace.
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Ebola in the context of conflict affected states and health systems: case studies of Northern Uganda and Sierra Leone | Conflict and Health | Full Text

Ebola in the context of conflict affected states and health systems: case studies of Northern Uganda and Sierra Leone | Conflict and Health | Full Text | NGOs in Human Rights, Peace and Development | Scoop.it
#Ebola in the context of conflict affected states and health systems:case studies of Northern Uganda and Sierra Leone http://t.co/pefbsn7qtz
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