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Nutrients leaching from green leaves of three potential agroforestry tree species

Nutrients leaching from green leaves of three potential agroforestry tree species Abstract Nutrient (NH4, PO4 and K) leaching from oven dried green leaves of Emblica officinalis Gaerten, Sesbania grandiflora (L.) Pers. and Moringa oleifera Lam.were investigated in laboratory condition. Oven-dried green leaves were immersed in demineralized distilled water for 8 days. Electrical conductivity (EC), Total dissolved solids (TDS) and nutrients (NH4, PO4 and K) of leaching water samples were measured at 0.25, 0.5, 1, 2, 3, 4, 6, 8, 12, 24, 48, 72, 96, 144, and 192 h of intervals. All these species showed an increasing trend for EC and TDS in leachate and comparatively higher EC and TDS were observed in E. officinalis, which is followed, by S. grandiflora and M. oleifera. Significantly high amount (P < 0.05) of NH4 was leached from S. grandiflora and PO4 from M. oleifera. But, both S. grandiflora and M. oleifera leached significantly higher (P < 0.05) K than E. officinalis. Within the first 0.25 h, 100 % and 82 % of NH4 and 68 % and 74 % of K were leached from leaves of S. grandiflora and M. oleifera respectively. S. grandiflora and M. oleifera leached 100 % of PO4 within 6 h. The concentrtions of NH4, PO4 and K in the leachate from E. officinalis, S. grandiflora and M. oleifera were not significantly different (P > 0.05). The green leaves of S. grandiflora and M.oleifera can be a potential source of NH4, PO4 and K for a quick nutrient supplement to the agricultural crops in agroforestry practices. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Agroforestry Systems Springer Journals

Nutrients leaching from green leaves of three potential agroforestry tree species

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References (40)

Publisher
Springer Journals
Copyright
2016 Springer Science+Business Media Dordrecht
ISSN
0167-4366
eISSN
1572-9680
DOI
10.1007/s10457-016-9996-x
Publisher site
See Article on Publisher Site

Abstract

Abstract Nutrient (NH4, PO4 and K) leaching from oven dried green leaves of Emblica officinalis Gaerten, Sesbania grandiflora (L.) Pers. and Moringa oleifera Lam.were investigated in laboratory condition. Oven-dried green leaves were immersed in demineralized distilled water for 8 days. Electrical conductivity (EC), Total dissolved solids (TDS) and nutrients (NH4, PO4 and K) of leaching water samples were measured at 0.25, 0.5, 1, 2, 3, 4, 6, 8, 12, 24, 48, 72, 96, 144, and 192 h of intervals. All these species showed an increasing trend for EC and TDS in leachate and comparatively higher EC and TDS were observed in E. officinalis, which is followed, by S. grandiflora and M. oleifera. Significantly high amount (P < 0.05) of NH4 was leached from S. grandiflora and PO4 from M. oleifera. But, both S. grandiflora and M. oleifera leached significantly higher (P < 0.05) K than E. officinalis. Within the first 0.25 h, 100 % and 82 % of NH4 and 68 % and 74 % of K were leached from leaves of S. grandiflora and M. oleifera respectively. S. grandiflora and M. oleifera leached 100 % of PO4 within 6 h. The concentrtions of NH4, PO4 and K in the leachate from E. officinalis, S. grandiflora and M. oleifera were not significantly different (P > 0.05). The green leaves of S. grandiflora and M.oleifera can be a potential source of NH4, PO4 and K for a quick nutrient supplement to the agricultural crops in agroforestry practices.

Journal

Agroforestry SystemsSpringer Journals

Published: Apr 1, 2018

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