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Proximate and mineral composition of Corchorus olitorius in response to combined tree legume based organic and mineral fertilizer treatments

Author Affiliations

  • 1Federal University of Technology Akure, Forestry and Wood Technology, Ondo State, Nigeria
  • 2Federal University of Technology Akure, Forestry and Wood Technology, Ondo State, Nigeria
  • 3Federal University of Technology Akure, Forestry and Wood Technology, Ondo State, Nigeria
  • 4Federal University of Technology Akure, Forestry and Wood Technology, Ondo State, Nigeria

Res. J. Agriculture & Forestry Sci., Volume 9, Issue (3), Pages 1-4, July,8 (2021)


This study was conducted to investigate the quality analysis of Corchorus olitorius in response to combined tree legume-based organic and mineral fertilizer treatments. The high cost, shortage, and low efficiency of mineral fertilizer makes it unbeneficial for farmers, poor soil fertility and nutrient depletion plus continuous addition of mineral fertilizers has led to soil acidification, nutrient in-balances, and soil degradation and this forms the rationale of this study. Four treatments which include; A (application of NPK only at 200kg/ha or 20g/m2), B (application of Leucaena leucocephala leaf meal at 400kg/ha or 40g/m2), C (application of combined Leucaena leucocephala leaf meal + wood ash + poultry waste at 20g + 10g+10g=40g/m2), D (Control; no fertilizer application) each with three replicates following the principle of randomization in applying the treatments were used. It was clearly revealed that the significant result was observed in plants treated with the combination of the various fertilizer types, also application of both organic and inorganic fertilizers has a positive response on the content of Corchorus olitorius plant. Since the Corchorus olitorius treated with various organic and inorganic fertilizer treatment shows a positive response on the mineral and proximate content, therefore the use of these combined fertilizer treatments should be encouraged by farmers to improve crop yield and productivity.


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