volume 42 issue 2 (june 2008) : 86 - 91
BIOLOGICAL EFFICIENCY OF ASH GROUD BASED INTERCROPPING SYSTEMS
1College of Horticulture,
KAU, Vellanikkara, Thrissur - 680 656, India
Published In
Indian Journal of Agricultural Research
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volume 42 issue 2 (june 2008) : 86 - 91
BIOLOGICAL EFFICIENCY OF ASH GROUD BASED INTERCROPPING SYSTEMS
1College of Horticulture,
KAU, Vellanikkara, Thrissur - 680 656, India
ABSTRACT
The biological efficiency indices LER, LEC, ATER, aggressivity and RCC were worked out for
the system in both planting systems. LER and ATER for all the treatments were above one and this
indicated that intercropping in ash gourd is biologically efficient. The LEC value was highest for ash
gourd + amaranthus (T4) and ash gourd + bush cowpea (T3) combination. Negative aggressivity
values for treatments containing three crop combinations indicated that the intercrops could be more
aggressive, but there is no yield reduction in the base crop, ash gourd.
the system in both planting systems. LER and ATER for all the treatments were above one and this
indicated that intercropping in ash gourd is biologically efficient. The LEC value was highest for ash
gourd + amaranthus (T4) and ash gourd + bush cowpea (T3) combination. Negative aggressivity
values for treatments containing three crop combinations indicated that the intercrops could be more
aggressive, but there is no yield reduction in the base crop, ash gourd.
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In this Article
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Published In
Indian Journal of Agricultural Research