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Soil quality under Grewia optiva based agroforestry systems in western sub-Himalaya

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Title Soil quality under Grewia optiva based agroforestry systems in western sub-Himalaya
Not Available
 
Creator Not Available
 
Subject Grewia
Hydraulic conductivity
Organic carbon
Soil quality
Water stable aggregates
 
Description Not Available
Soil quality assessment was done in Grewia (Grewia
optiva) based agroforestry system in Himalayan foothills.
Soil samples were collected from six different treatments
viz., (i) Sole Grewia (ii) Grewia + Finger millet (Eleusine
coracana), (iii) Grewia + Barn yard millet (Echinochloa
crus-galli), (iv) Finger millet alone, (v) Barn yard millet alone
and (vi) fallow and evaluated for different soil properties
and soil quality. There were significant differences in soil
properties and quality under different treatments after
four year of plantation. Saturated hydraulic conductivity
was higher in sole Grewia (1.45 cm h
-1
) plots followed by
that under agroforestry plots (0.80-0.95 cm hr
-1
). Soil bulk
density was least in sole Grewia plot (1.40 mg m
-3
) and
was highest (1.50 mg m
-3
) in fallow plots. Water stable
aggregates were 16-18 % higher in agroforestry plots. In
sole Grewia plots increase of 42% was observed for
water stable aggregates as compared to fallow plot.
Organic carbon increased by 13-46% in different
treatments as compared to fallow plot. N, P and K were
also higher under sole Grewia and agroforestry plots.
The soil quality index (Q) varied from 0.32 in fallow to
0.50 in sole Grewia thereby indicating the superiority of
forest land use system in terms of maintaining greater
soil quality than other land-use systems. Results further
reveals that as compared to sole Grewia plots, there
was 33% reduction in soil quality in fallow plots and 16.8-22.8% in agriculture plots. Soil quality in agroforestry
plots was comparatively better than sole crops and fallow
with only 6.9% reduction in soil quality as compared to
sole Grewia
Not Available
 
Date 2019-05-01T05:39:09Z
2019-05-01T05:39:09Z
1001-01-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/19093
 
Language English
 
Relation Not Available;
 
Publisher Not Available