期刊
INTERNATIONAL JOURNAL OF MATHEMATICAL ENGINEERING AND MANAGEMENT SCIENCES
卷 5, 期 3, 页码 395-404出版社
INT JOURNAL MATHEMATICAL ENGINEERING & MANAGEMENT SCIENCES-IJMEMS
DOI: 10.33889/IJMEMS.2020.5.3.033
关键词
Wet blue leather; Rice husk ash; Organic fertilizer; Vermicompost; Plant growth
资金
- Department of Science and Technology, Government of India [SR/FST/ET1405/2015(C)/NITDURGAPUR]
The present study focused on the utilization of solid wastes viz. wet blue leather of leather industry, rice husk ash from rice mills, and water hyacinth in addition to a commercial steamed bone meal for the invention of nutrient-enriched organic fertilizer. To produce NPK organic fertilizer, chromium-free wet blue leather (WBL) as nitrogen source was amalgamated with rice husk ash, water hyacinth, and commercial steamed bone meal as a potassium and phosphorus source. The efficiency of such developed organic fertilizer designated as type I was tested as a nutrients source on the marigold plant. Ammonia analysis of fertilizer applied soil samples revealed that the content of liberated free ammonia in the soil fertilized with organic fertilizer was 44.80 %, 20.70 %, and 10.35% higher than the natural soil, chemically fertilized soil and fertilized with vermicompost respectively. Application of developed organic fertilizer and vermicompost designated as type II on marigold plant resulted in significant growth which are comparable to those obtained with commercial Chemical fertilizer. The plant growth increased by chemical fertilizer, Type I fertilizer, and Type II fertilizer in terms of plant height 26.5 %, 20 %, 22.7% and leaf size 21.2 %, 15.4 %, 17.3 % respectively which are observed to be higher than the growth of the control plant.
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