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Effect of soil solarization on weed growth and yield of kharif groundn ut (Arachis hypogaea)
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A.BSTRACT A field investigation was carried out at UAS, Bangalore during 1995 and 1996 to study the effect of soil solarization on weed growth and yield of groundnut. The increase in soil temperature due to transparent polyethylene of 0.050 mm and 0 075 mm and black polyethylene was 9.5OC, 8.1 to 8.8OC and 2.0 to 3.4OC, respectively over control. There was a significant reduction in weed count and weed dry weight even up to the harvest of groundnut due to solarization with transparent polyethylene. The transparent polyethylene of 0.050 mm was superior than of 0.075 mm. Solarization for 45 days with transparent polyethylene caused maximum reduction in weeds. The black polyethylene did not help in suppressing weeds and was on par .with control. Maximum pod yield was recorded by weed free check (21.26 q/ha) but on par with transparent polyethylene 0.050 mm for 45 days (20.64 qlha).
The Indian Society of Agronomy
Title: Effect of soil solarization on weed growth and yield of kharif groundn ut (Arachis hypogaea)
Description:
A.
BSTRACT A field investigation was carried out at UAS, Bangalore during 1995 and 1996 to study the effect of soil solarization on weed growth and yield of groundnut.
The increase in soil temperature due to transparent polyethylene of 0.
050 mm and 0 075 mm and black polyethylene was 9.
5OC, 8.
1 to 8.
8OC and 2.
0 to 3.
4OC, respectively over control.
There was a significant reduction in weed count and weed dry weight even up to the harvest of groundnut due to solarization with transparent polyethylene.
The transparent polyethylene of 0.
050 mm was superior than of 0.
075 mm.
Solarization for 45 days with transparent polyethylene caused maximum reduction in weeds.
The black polyethylene did not help in suppressing weeds and was on par .
with control.
Maximum pod yield was recorded by weed free check (21.
26 q/ha) but on par with transparent polyethylene 0.
050 mm for 45 days (20.
64 qlha).
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