Problem statement: MSW has traditionally been dealt with thorough the practice of land filling and incineration. However, deleterious envi ronmental impacts have promoted municipalities in Canada to recycle non-putrescible wastes and compost the putrescible ones. This study aimed at evaluating the effect of MSW compost on the growth and production of three vegetable crops (potatoes, corn and squash). Approach: Each crop received 5 treatments: MSW 1, MSW 2, MSW 3, NPK and 0.5 NPK, 0.5 MSW 1. MSW 2 and MSW 3 were twice and three times MSW 1, respectively. MSW 1 was determined for corn and potato based on phosphorous requirements by these crops and the phosphorous content of the MSW compost and was determined for squash based on the nitrogen requirement by the plant and the nitrogen content o f the MSW compost. The choice of chemical fertilizer and application rate were based on the o ptimum NPK ratio for each plant. Samples from the plants were taken at specific growth stages and at harvest for visual health and dry matter analyses. Results: The plant yield for each crop followed the same pa tterns as those of the visual observations for health ranking and the dry matter. The results showed that 0.5 NPK + 0.5 MSW 1 gave the best plant growth, health and yield for potato and corn while NPK gave the best plant growth, heath and yield for squash. Squash did not seem to respond we ll to MSW compost. Conclusion: The plots that received MSW 2 were healthier than those reserved MSW 1 and MSW 3. High rate of MSW may provide higher level of heavy metals than the plant can tol erate while low rate of MSW may not contain all the other required micro-nutrients. Long tern effects o f MSW compost on the chemical and microbiological properties of the soil and the plan t properties such as taste, appearance, storability , susceptibility to bugs and disease should be evalua ted.
Effect of Municipal Solid Waste Compost on the Growth and Production of Vegetable Crops
Published 2010 in American Journal of Agricultural and Biological Sciences
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- Publication year
2010
- Venue
American Journal of Agricultural and Biological Sciences
- Publication date
2010-09-30
- Fields of study
Agricultural and Food Sciences, Biology, Environmental Science
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