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Adoption and management of alley cropping in Haiti 

Bayard, Budry; Jolly, Curtis M.; Shannon, Dennis A. (2019-10-01)
Haiti, a hilly densely populated country, has experienced soil erosion problems for decades. The major impact is a reduction of soil fertility leading to decreasing agricultural productivity. Agriculture, a major sector ...

Adoption of rock walls as a soil conservation structure in Haiti 

Bayard, Budry; Jolly, Curtis M.; Shannon, Dennis A. (2019-10-01)
Land degradation has been identified as one of the most serious ecological, environmental, and economic problems facing the Haitian society today. One particular problem is soil erosion. Throughout the 19th century, ...

Bwa yo: important trees of Haiti 

Timyan, Joël (2020-03-02)
Trees and their forest habitats have played a major role in creating a fertile environment in Haiti. The ecological fabric that has nurtured the soil and supported life for millennia gradually has been unraveled by human ...

Chemical fertilizers for fish ponds 

Auburn University International Center for Aquaculture and Aquatic Environments (2019-12-05)
Chemical fertilizers are normally used to improve soil fertility and increase agricultural crop yields. In fish ponds they stimulate phytoplankton production which increases fish yields. They contain inert filler material ...

Culture of hand-selected male tilapia 

Auburn University International Center for Aquaculture and Aquatic Environments (2019-12-05)
A major problem of pond-cultured tilapia is excessive reproduction, and subsequent stunting of fish due to overcrowding. To combat this problem a pond may be stocked with all-male fish. This technique is monosex culture ...

Eliminating unwanted fish and harmful insects from fish ponds 

Auburn University International Center for Aquaculture and Aquatic Environments (2019-12-05)
Poisons or "toxicants" are used to eliminate unwanted fish, insects and other harmful organisms from a pond. A wide variety of poisons is available. This manual describes some which are commonly used.

Feeding your fish 

Auburn University International Center for Aquaculture and Aquatic Environments (2019-12-05)
Fish grow fast and stay healthy if they have enough nutritious food to eat. Living organisms are natural fish foods and are produced in the water where the fish live. Phytoplankton (microscopic plants), zooplankton ...

Intervention Success Stories Productive Land Use Systems Project 

Lea, John Dale (Zach); Saint-Dic, Roosevelt; Brockman, Frank E. (2024-04-04)
This report presents some pictorial and descriptive highlights of Productive Land Use Systems Project accomplishments. Selected land use techniques promoted by the Project are described and estimates of their impacts on ...

Introduction to aquaculture 

Auburn University International Center for Aquaculture and Aquatic Environments (2019-12-04)
More than one-fourth of all animal protein consumed by man is aquatic in origin. Regional differences range from Asia where more than one-fourth of dietary animal protein is fish to North and South America where less than ...

Introduction to fish culture in ponds 

Auburn University International Center for Aquaculture and Aquatic Environments (2019-12-05)
A pond is a body of standing, as opposed to free-flowing, water that is small enough to be managed for fish culture. Fish production in farm ponds can provide protein and profit for farmers. Fish such as oreochromis and ...

Introduction to fish culture in rice paddies 

Auburn University International Center for Aquaculture and Aquatic Environments (2019-12-05)
Rice-fish culture is not widely practiced around the world. Most information comes from Asian countries, particularly the Philippines, Indonesia, and Japan, where traditional rice farming methods have been refined over ...

Introduction to fish pond fertilization 

Auburn University International Center for Aquaculture and Aquatic Environments (2019-12-05)
A fish pond is a unique environment created by man. It must be managed properly to achieve good fish production. For centuries fish farmers have increased fish yields in ponds by using inorganic or chemical fertilizers and ...

Introduction to intensive cage culture of warmwater fish 

Auburn University International Center for Aquaculture and Aquatic Environments (2019-12-05)
Cage culture of fish is a method of raising fish in containers enclosed on all sides and bottom by materials that hold the fish inside while permitting water exchange and waste removal into the surrounding water. Cages are ...

Introduction to Oreochromis niloticus fingerling production systems 

Auburn University International Center for Aquaculture and Aquatic Environments (2019-12-05)
Fish culture is an important component of many rural development projects in areas suffering from protein shortages. Oreochromis niloticus is often chosen for its good cultural characteristics. However, an adequate supply ...

Introduction to polyculture of fish 

Auburn University International Center for Aquaculture and Aquatic Environments (2019-12-05)
Polyculture is the practice of culturing more than one species of aquatic organims in the same pond. The motivating principle is that fish production in ponds may be maximized by raising a combination of species having ...

Introduction to tilapia culture 

Auburn University International Center for Aquaculture and Aquatic Environments (2019-12-05)
Tilapia are native to Africa, but have been introduced in many countries around the world. They are disease-resistant, reproduce easily, eat a wide variety of foods and tolerate poor water quality with low dissolved oxygen ...

Introduction to water harvesting 

Auburn University International Center for Aquaculture and Aquatic Environments (2019-12-05)
Throughout history, man has been dependent on an adequate water supply for his food, security and well being. Water is a universal need and is considered the principal limiting factor for human life. Destruction of natural ...

Long-term effects of soil conservation barriers on crop yield on a tropical steepland in Haiti 

Shannon, Dennis A.; Isaac, Lionel; Bernard, Carine R.; Wood, C. Wesley (2019-05-03)
In this research, we wanted to know how alley cropping between tree barriers compared to the more traditional conservation barriers used in Haiti in terms of long-term crop yields. Our hypothesis was that alley cropping ...

Net enclosure system for Oreochromis niloticus fingerling production 

Auburn University International Center for Aquaculture and Aquatic Environments (2019-12-05)
Net enclosures can be used in every phase of tilapia culture from fingerling production to growing market size food fish. In Southeast Asia the "hapa" net system for Oreochromis niloticus fingerling production is very ...

Oreochromis niloticus fry and fingerling production in tanks 

Auburn University International Center for Aquaculture and Aquatic Environments (2019-12-05)
Tilapia fry may be produced in square, rectangular or circular tanks made of wood, concrete, bricks, fiberglass, or plastic with indvidual water inlets and drains. Tanks may be expensive, but are common where space is ...