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Crop response and soil fertility as influenced by green leaves of indigenous agroforestry tree species in a lowland rice system in northeast India

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Title Crop response and soil fertility as influenced by green leaves of indigenous agroforestry tree species in a lowland rice system in northeast India
Not Available
 
Creator J. M. S. Tomar
Anup Das
A. Arunachalam
 
Subject Agroforestry trees _ Green leaf manure _ Nutrient uptake _ Rice _ Soil fertility
 
Description Not Available
Field experiments were conducted during
rainy seasons of three consecutive years (2008–2010)
to study the effect of green leaf manuring on dry
matter partitioning and productivity of lowland rice
(Oryza sativa L.). Green leaves of five indigenous
agroforestry tree species viz., Erythrina indica, Acacia
auriculiformis, Alnus nepalensis, Parkia roxburghii,
and Cassia siamea were treated at 10 t ha-1 on fresh
weight basis in rice fields and compared with recom-
mended N–P2O5–K2O (80:60:40 kg ha-1) and control
treatments. During 2008–2009 year, yield attributes
and rice yield were greater in NPK plots as compared
to the green-leaf manured ones. However, in the third
year, green leaf manuring (except that of Alnus)
surpassed even the recommended N–P2O5–K2O treat-
ment in terms of dry matter production and yield;
better response was however observed with Erythrina.
The soil available N after final harvest increased by ca.
14–20 % in Alnus and Erythrina treated plots as
compared to the control. Over all, it could be said that
management of plant residues can have long-term
implications apart from the desired maintenance of
soil organic matter and improving crop yield.
Not Available
 
Date 2020-03-05T08:45:39Z
2020-03-05T08:45:39Z
2012-05-30
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/33610
 
Language English
 
Relation Not Available;
 
Publisher Not Available