INFLUENCE OF Casuarina equisetifolia Linn. SHELTERBELT ON YIELDS OF GROUNDNUT AND FINGER MILLET
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Date
2003
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University of Agricultural Science, Dharwad
Abstract
"Shelterbelts primarily reduce the wind-velocity and bring changes in the
microclimate, which are reflected in growth and development of leeward crop
and thus in crop yield. Considering the multiple utility of shleterbelt on field
crops the present study was carried out to know the effect of Casurina
equisetifolia shelterbelt on the growth and yield of groundnut and finger millet.
The growth parameters of groundnut and finger millet viz plant height,
dry matter and leaf area per plant were significantly increased with increasing
distance from shelterbelt. The increase was upto 80m (T4) and no significant
increase was noticed there after and lowest was recorded in control.
Groundnut and finger millet showed early response for initiation of
flowering (2.70 and 2.30 days) and maturity (3.30 and 1.70 days) over control.
The yield attributing characters of groundnut and finger millet were recorded
highest in T4 and lowest was recorded in control.
The pod and haulm yield of groundnut was increased with increase in
distances from shelterbelt and was found highest at T4 (2006 and 3286 kg ha-1
1) followed by T5 (1968 and 3227 kg ha-1). Where as, lowest was recorded in
control (1675 and 2908 kg ha-1).
Grain and straw yield of finger millet was statistically differed in all the
treatments over control and was found highest in T4 (2007 and 3124 Kg ha-1).
The increase over control was to the tune of 17.5 and 14.5 per cent
respectively. Soil moisture content in both the experimental plots was significantly
increased with increase in distance from shelterbelt up to 80m and no
significant increase was noticed there after. The soil temperature in both the
fields was significantly differed in all the treatments over control. A gradual
increase in soil temperature was registered with increase in distances from
shelterbelt. The trend was similar at 30, 60 and 90 DAS respectively."
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