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Browsing Crop, Soil and Environmental Sciences by Title

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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, ...

Alterations to sediment nutrient deposition and transport along a six reservoir sequence 

Webster, Benjamin; Waters, Matthew; Golladay, Stephen; 0000-0002-1768-247X (2021-04-26)
Reservoir presence and construction has become commonplace along rivers due to the multitude of ecosystem services they provide. Many services are well recognized, including the effectiveness of sequestering both sediments ...

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 ...

Data for: Harmful algal blooms and cyanotoxins in Lake Amatitlán, Guatemala, coincided with ancient Maya occupation in the watershed 

Waters, Matthew; Brenner, Mark; Curtis, Jason Hilleary; Romero-Oliva, Claudia Suseth; Dix, Margaret; Cano, Manuel; 0000-0003-1702-3973 (2021-10-19)

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 ...

Promising tree species as hedgerows for alley cropping in different environments in Haiti 

Isaac, Lionel; Shannon, Dennis A.; Wood, C. Wesley; Bernard, Carine R. (2019-05-03)
Alley cropping is a system whereby annual crops are planted between rows of trees, which are pruned during the cropping season and the prunings applied as mulch or green manure. During periods where no crop is grown, the ...

Report 01. Status of seed orchards and tree improvement trials in Haiti and plan of activities 1993-1994 

Timyan, Joël (2019-09-03)
1. The status of tree improvement activities developed during the AOP and AFII projects is reviewed and specific recommendations are made for the utilization of improved sources during the PLUS project. Information is ...

Report 01. Tree planting in Haiti: a socio-economic appraisal 

Street, Donald R. (2019-09-10)
The purpose of this rapid-reconnaissance study was to augment previous work on tree planting in Haiti by taking advantage of a longer history of woodlot operations and to include socio-economic data on hedgerows, border ...

Report 02. A review of PDAI and ADS II project technologies 

Villaneuva, Marianito R. (2019-09-03)
A task was undertaken on behalf of the Productive Land Use System (PLUS) project to review technologies tested or developed in two earlier USAID-funded projects in Haiti with potential application to the PLUS project. The ...

Report 02. An interim report on influences of inoculation with nitrogen-fixing symbionts on reforestation efforts in Haiti 

Reid, R. Kent (2019-09-10)
Many of the tree species produced in the AOP are able to fix nitrogen when their roots are colonized with the appropriate symbiotic microorganisms. In order to ensure colonization, tree seeds are inoculated at planting ...

Report 03. Monitoring and evaluation system for PLUS 

Pagoulatos, Angelos (2019-09-03)
A Monitoring and Evaluation (M&E) System for PLUS was set up during a consultancy to Haiti between January 8 and February 26, 1993. The system was designed in collaboration with USAID, CARE and PADF, with the assistance ...

Report 03. Short-term seedling field survival and growth as influenced by container type and potting mix 

Reid, R. Kent (2019-09-03)
This investigation tested the field performance of planting stock types used in the AOP. Field growth and survival of five species (chene, kapab, cassia, neem, and ced) were measured. Four container types (Winstrips, ...

Report 04. Seedling growth and development in different container types and potting mixes 

Reid, R. Kent (2019-09-10)
This investigation tested the various containers and potting mixes used in the AOP. Effects were measured on nursery development of five non-nitrogen-fixing species (chene, kapab, cassia, neem, and ced). Four container ...

Report 05. Guide to the literature and organizations involved in agribusiness research and agribusiness development in Haiti 

Bélizaire, Henry Jude; Lea, John Dale (Zach) (2019-09-04)
This report should serve as an initial source of information for persons interested in agribusiness research or agribusiness development activities in Haiti. - It serves as a guide to the literature and the organizations ...

Report 05. Microsymbiont colonization and seedling development as influenced by inoculation method : Rhizobium and Frankia 

Reid, R. Kent (2019-09-03)
This investigation tested the various methods used in Haitian nurseries for inoculating tree seedlings with nitrogen-fixing organisms. Acacia, leucaena, and frene were inoculated with Rhizobium powder by oil-coat, water-coat, ...

Report 06. Evaluation of tree species adaptation for alley cropping in four environments in Haiti. A. Establishment phase 

Shannon, Dennis A.; Isaac, Lionel (2019-09-04)
Thirty-five tree species were planted in hedgerows in four environments in Haiti: high elevation (1150 m); low elevation, humid on calcareous soil; low elevation, humid on basaltic soil; and low elevation, semi-arid, with ...

Report 06. The charcoal market in Haiti : Northwest to Port-au-Prince 

Street, Donald R. (2019-09-10)
The segment of the charcoal market from the Northwest to Port-au-Prince and vicinity is an important link to different components of Haiti's economy. Changes inthe charcoal market may affect the economy's environmental ...

Report 07. Farmer needs assessment exploratory surveys : executive summary and recommendations, May 28-August 28, 1993 

Swanson, Richard A.; Gustave, William; Jean, Yves; Saint-Dic, Roosevelt (2019-09-05)
This report contains the summary and syntheses of five surveys that were part of the on-going effort by SECID/Auburn University and its partners in PLUS, PADF, and CARE, to implement a Monitoring and Evaluation System which ...

Report 07. Haiti regional tree nursery cost study 

Goodwin, Steve; Reid, R. Kent; Street, Donald R. (2019-04-23)
The Pan American Development Foundation (Pwo Pyebwa) has requested a study to determine the current cost of producing seedlings in a local nursery. The purpose of this study is to determine the production costs of a typical ...