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The Plant Root Injector is a simple device capable of injecting water and nutrients directly into root systems. It is proving to be very effective for high value crops like papaya.

PRI 1

Fertilizer Application

Using dilute fertilizer solutions occasionally & in minute amounts is sufficient. (Dissolve fertilizer granules in water beforehand.) 

Water Addition

Only small quantities water are needed. (Using 25% or 1/4 of normal quantities is sufficient. This results in 75% water savings.)

Read more: Plant Root Injector

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MIGHTY MANGROVE: Mangroves, salt marshes and sea grasses soak up five times more carbon than tropical forests Image: ©iStockphoto.com / Sara Winter

 

Mangroves, salt marshes and sea grasses soak up to five times more carbon than tropical forests, making their conservation critical

Mangroves are tangled orchards of spindly shrubs that thrive in the interface between land and sea. They bloom in muddy soil where the water is briny and shallow, and the air muggy. Salt marshes and sea grasses also flourish in these brackish hinterlands. Worldwide, these coastal habitats are recognized for their natural beauty and ability to filter pollution, house fish nurseries and buffer shorelines against storms.

Less known is their ability to sequester vast amounts of carbon—up to five times that stored in tropical forests. Dubbed "blue carbon" because of their littoral environment, these previously undervalued coastal carbon sinks are beginning to gain attention from the climate and conservation communities.

Read more: Blue Carbon: An Oceanic Opportunity to Fight Climate Change

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How do you structure a REDD+ project in tropical Latin America to make sure it's effective and equitable at the same time? How do you deliver food, clothing, housing and income to a population of 109 million and counting, while protecting the tropical forests that are crucial to the planet's health? Not without understanding just how different the key actors in land use change really are, designing a suitable mix of incentives, and then making some very hard choices, says CIFOR scientist Pablo Pacheco and his colleagues in a recent article published in the journal Forests.

The folks who are transforming forests and landscapes in the American tropics range from the landless migrant family clearing a maize plot in Central America to the multinational tycoon shipping Amazonian hardwoods to a furniture factory in China. These actors, their motivations, and the effects of their actions are such a diverse and dynamic lot that just getting a handle on what is happening can seem impossibly complex. To help us all, but especially those who will implement REDD+ projects, Pacheco and company -- without denying the complexity and dynamism of what is happening -- make sense of the players as well as the trends they embody and the landscapes they are producing. In the article they classify the main actors into five different, often competing, but also commonly overlapping groups: indigenous peoples, traditional farmers who produce limited goods for markets, more market-savvy small-scale farmers, large scale commercial farmers and ranchers, and finally, loggers and timber companies.

Read more: 5 Actors, 5 Trends, a Continent of Complexity

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