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Browsing College of Agriculture by Author "Isaac, Lionel"

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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 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 15. Evaluation of tree species adaptation for alley cropping in four environments in Haiti. B. First year of pruning 

Isaac, Lionel; Shannon, Dennis A.; Brockman, Frank E. (2019-09-04)
Tree species were evaluated for their suitability as hedgerows for alley cropping in Haiti. Major criteria discussed in this report are total and leaf biomass production, leaf/stem ratio, regrowth following pruning, and ...

Report 27. The effects of Leucaena hedgerow management on maize and hedgerow biomass yields over two years of cropping 

Isaac, Lionel; Shannon, Dennis A.; Brockman, Frank E.; Bernard, Carine R. (2019-09-05)
The objectives of the study were to identify optimum hedgerow management practices for alley cropping in order to optimize crop yield and hedgerow biomass production under lowland conditions in Haiti. The following ...

Report 29. Soil profile descriptions for agroforestry research sites in Haiti 

Guthrie, Richard L.; Isaac, Lionel; Alexis, Gerard; Bernard, Carine R.; Blemur, Marguerite (2019-09-05)
Reliable recommendations for the development of agroforestry systems require accurate descriptions of the environment. Information on the properties of soils in selected sites is needed to expand agroforestry in regions ...

Report 30. The effects of alley cropping and other soil conservation practices on maize (Zea mays) yields over two years of cropping 

Isaac, Lionel; Shannon, Dennis A.; Brockman, Frank E.; Bernard, Carine R. (2019-06-04)
The effects of different soil conservation practices on crop and hedgerow biomass yields were assessed under lowland conditions in Haiti over a period of two years. The trial was conducted at Pernier (1300 mm annual rainfall) ...

Report, Final. Technical assistance to the PLUS project: Final report of the South-East Consortium for International Development (SECID) and Auburn University 

Shannon, Dennis A.; Lea, John Dale (Zach); Isaac, Lionel; Belfort, Sarah (2019-06-25)
SECID provided technical assistance to the Productive Land Use Project (PLUS) by various means, including a tree Germplasm Improvement Program, an Agroforestry Research Program, an On-farm Agronomic Research Program, an ...