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Fertility status of mulberry (Morus indica L.) growing soils of upper Brahmaputra valley region of north eastern India

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Title Fertility status of mulberry (Morus indica L.) growing soils of upper Brahmaputra valley region of north eastern India
Not Available
 
Creator Ray, P.
, Gogoi, S.N., Bandyopadhyay, S., Padua, S., Jena, R.K., Deb Roy, P., Ramachandran, S., Sharma, G.K., Sah, K.D., Trivedy, K., Singh, S.K. and Ray, S.K.
ICAR- National Bureau of Soil Survey and Land Use Planning, Regional Centre, Kolkata-700091, India
 
Subject Mulberry, Nutrient index, Soil fertility status, Soil taxonomy
 
Description Not Available
Mulberry (Morus indica L.) is an agroforestry species
grown extensively in India as multipurpose tree. In north
eastern India, it is cultivated as sole crop for rearing
silkworm under low management practices without any
chemical fertilizers and organic inputs. Besides, limited
scope of incorporation of mulberry leaves in soil prevents
the addition of organic matter into soil. Therefore, the
quality of mulberry leaf as well as silk solely depends on
the nutritional status of soil on which mulberry is grown.
In the present investigation, an attempt was made to
assess the fertility status of soil under mulberry cultivation
as sole crop in six rural development blocks namely,
Kakodonga, Dergaon, Kathalguri, Podumoni, Sarupathar
and Bokakhat of Golaghat district in upper Brahmaputra
valley of Assam in north eastern India. Results indicated
that soils were extremely to strongly acidic (pH < 5.5) in
44% of the mulberry gardens. Organic carbon content
was medium to high in 80% of the surface soil samples
(0-20 cm.) and low to medium in 84% of sub-surface soil
samples (20-50 cm.). About 51% of the sub-surface soil
samples were low in N and 98% of the sub-surface soil
samples were low in P status. Among micronutrients, B
was deficient in more than 80% samples; whereas, Zn
deficiency was found in 36% of the sub-surface samples.
Nutrient index values indicated that mulberry growing
soils of Kakodonga and Bokakhat were the least fertile
as far as the availability of major nutrients are concerned
due to the soil resources of recent origin (Entisols) with
coarse texture occurring on active flood plains in these
blocks. The study indicated the wide spread nutritional
deficiency in soils of upper Brahmaputra valley of north
eastern India.
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Date 2019-11-06T08:10:05Z
2019-11-06T08:10:05Z
2018-10-31
 
Type Article
 
Identifier Ray, P., Gogoi, S.N., Bandyopadhyay, S., Padua, S., Jena, R.K., Deb Roy, P., Ramachandran, S., Sharma, G.K., Sah, K.D., Trivedy, K., Singh, S.K. and Ray, S.K. 2018. Fertility status of mulberry (Morus indica L.) growing soils of upper Brahmaputra valley region of north eastern India. Range Management & Agroforestry, 39(2):147-155.
Print ISSN: 0971-2070 Online ISSN: 2249-5231
http://krishi.icar.gov.in/jspui/handle/123456789/24519
 
Language English
 
Relation Not Available;
 
Publisher Range Management Society of India