Clairmont Et Al

Clairmont et al

Greener Journal of Agricultural Sciences Vol. 6 (9), pp. 256-261, October 2016.

 ISSN: 2276-7770 

Research Paper

Manuscript Number: 092816148


(DOI: http://doi.org/10.15580/GJAS.2016.9.092816148)

 

An
Evaluation of ‘Vinasse’ (Bio-Ethanol Effluent) and Vermicompost as Soil
Amendments for Cash Crop Production

 

Clairmont Clementson*, Bibi Nariefa Abrahim1

 Oudho Homenauth2, Vickram Persaud3

 

National Agricultural
Research and Extension Institute, Mon Repos, East Coast Demerara, Guyana

Abstract

The
indiscriminate application of various inorganic fertilizers has triggered many
soil, water and health issues around the world. Due to the extent of these
concerns, various forms of organic fertilizers have since been explored. This
study sought to establish the suitability of two organic composites (vinasse
and vermicompost) as fertilizers in cash crop production. The crops selected
were leafy vegetables from the Class of Magnoliopsida and included Brassica rappa spp. Chinesis (pakchoi),
Lactuca sativa (lettuce) and Brassica oleracea var. capitata
(cabbage).
The response of these crops to four fertilization regimes
(control – no fertilizers, vermicompost, vinasse and NPK) were monitored.

Upon harvesting, data regarding weight of plants and number of leaves were
recorded and analyzed. There was a 35.8%, 15.6% and a 20.7% greater yield of
lettuce, pakchoi and cabbage, when vinasse was used as the fertilizer, as
compared with NPK. With vermicompost, there were 19.5% and 5.2% higher yields
for lettuce and cabbage with a 15.6% reduction of yield for pakchoi as compared
with NPK. Considering the increased yield demonstrated from this study coupled
with the environmental, soil and crop nutrient benefits posited by other researchers,
vinasse and vermicompost should be utilized as an organic replacement for
inorganic fertilizers.

 

Keywords:
vinasse, vermicompost, NPK, soil amendments, cash crop, fertilizers
.

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