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Effect of different canopy management practices on rainfall Partitioning in Morus alba.

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Title Effect of different canopy management practices on rainfall Partitioning in Morus alba.
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Creator R.Kaushal
,AmbrishKumar
,N.M.Alam
,D.Mandal
,J.Jayaparkash
JMS Tomar
S.Patra
A.K.Gupta
H.Mehta
,P.Panwar ,
O.P.Chaturvedi,
P.K.Mishra
 
Subject Coppicing Gross rainfall Interception Lopping Morus Stemflow Throughfall
 
Description Not Available
Tree canopies partition rainfall into throughfall (TF), stemflow (SF), and interception loss (I) which have very significant effect on water balance and the nutrient cycle. In this study, we compared throughfall, stemflow and interception in Morus alba managed under different canopy management prac- tices/treatments viz., coppicing, pollarding and lopping. TF was measured using manual gauges randomly placed beneath the canopies of each treatment. SF was collected from selected trees in each canopy management practices using SF collection collars. Measurements were made on a rainfall event basis. During the study period, 30 rainfall events were identified in the year 2014 and 25 in the year 2015 which delivered a total rain of 685.1 mm and 467.9 mm, respectively in the two consecutive years. Average TF ranged from
80.8% in lopping to 85.1% in coppicing. Relationship of gross rainfall versus throughfall in different canopy management practices indicates that high TF production was measured during high rainfall events and low TF production was measured during low rainfall events. Average SF values showed significant difference between lopping (10%) and pollarding (4.5%) treatments. Both the treatments transmitted less SF as GR event depths increased. As the size of rainfall events increased, intercepted GR by the canopies, decreased. Allometric model was used for fitting the gross rainfall versus SF depth. Total rainfall interception was 9.2% for lopping, 13.0% for pollarding and 14.9% for coppicing. Interception values were higher during
small sized GR events.
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Date 2020-06-04T08:47:06Z
2020-06-04T08:47:06Z
2017-02-18
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/36843
 
Language English
 
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Publisher Not Available