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Ameliorating Effects of Leucaena Biochar on Soil Acidity and Exchangeable Ions

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Title Ameliorating Effects of Leucaena Biochar on Soil Acidity and Exchangeable Ions
Not Available
 
Creator P. Jha, S. Neenu, I. Rashmi, B.P. Meena, R.C. Jatav, B. L. Lakaria, A.K. Biswas, M. Singh & A.K. Patra
 
Subject Available P; biochar; exchangeable bases; Leucaena leucocephala; mineral N; soil acidity
 
Description Not Available
The amendment effect of Leucaena biochar was investigated in incubation
study in acidic soil (pH (water (H2O)) = 4.5) of northwest India. The biochar
(BC) was mixed at 2%, 4%, and 6% with soil and change in soil pH, electrical
conductivity (EC), ammonium (NHþ
4 ) and nitrate nitrogen (NO
3
N),
exchangeable bases (calcium + magnesium, potassium, sodium) (Ca + Mg,
K, Na), aluminum (Al), and Bray’s phosphorus (P) were measured periodically.
The mean increase in soil pH was 0.65, 1.35, and 2.0 unit at 2%, 4%,
and 6% (w/w) of biochar incorporation, respectively. Application of biochar
significantly (P < 0.01) reduced ammonium (NHþ
4
N) content of soil,
whereas NO3-N concentration increased by threefold and fivefold by application
of 2% and 4% (w/w) of biochar, respectively. Exchangeable soil
potassium (K) and Ca + Mg concentrations increased with the application
of biochar. Application of biochar above 2% (w/w) reduced exchangeable Al
concentration to nondetectable limit. The study suggests Leucaena biochar
may serve as an amendment for N transformation in highly acidic soil.
Not Available
 
Date 2020-05-21T09:43:12Z
2020-05-21T09:43:12Z
2016-04-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/36027
 
Language English
 
Relation Not Available;
 
Publisher Not Available