International Journal of Horticulture, 2017, Vol.7, No.21, 172-179
178
(517.65 g and 576.16 g per plant at first harvest and second harvest and estimated green leaf yield of 3594.54 and
4000.87 kg per hectare at first harvest and second harvest respectively)
.
When treatments of harvest intervals are
compared the treatment H
2
(three months harvest intervals) recorded higher green leaf yield (605.08 g and 653.60
g per plant at first harvest and second harvest and estimated leaf yield of 4201.65 and 4538.61 kg per hectare at
first harvest and second harvest respectively).The higher green leaf yield (548.46 g and 612.35 g per plant at first
harvest and second harvest and estimated green leaf yield of 3808.51 and 4252.14 kg per hectare at first harvest
and second harvest respectively) were recorded by the treatment N
4
(0.3 per cent of humic acid).
The interaction effect of harvest height and harvest interval was compared and the higher green leaf yield values
of 612.07g and664.97 g per plant at first harvest and second harvest and estimated green leaf yield value of
4250.20 and 4617.58 kg per hectare at first harvest and second harvestrespectively was recorded by the treatment
L
2
H
2
(30 cm harvest height and three months harvest intervals). The higher green leaf yield values of 550.94 g
per plant at first harvest and 621.02 g per plant at second harvest and estimated leaf yield of 3825.69 at first
harvest and4312.33 at second harvestwere registered by the treatment L
2
N
4
(30 cm harvest height with 0.3 per
cent of humic acid).The treatment H
2
N
4
(three month harvest interval + 0.3 per cent of humic acid) registered the
highest green leaf yield of 642.02 g and 700.87 g per plant at first harvest and second harvest and estimated green
leaf yield of 4458.15and 4866.81 kg per hectare at first harvest and second harvestrespectively.
Among the different treatment, the highest green leaf yield were registered by the treatment combination of
L
2
H
2
N
4
(30 cm harvest height + three months harvest intervals + 0.3 per cent of humic acid) green leaf yield of
643.50 g and 714.21 g per plant at first harvest and second harvest and estimated green leaf yield of 4468.46 kg
per hectare (first harvest) and 4959.47 kg per hectare (second harvest).
This might be due to increased plant height, number of branches, leaflets size and number of leaves per plant
registered by the same treatment. Regarding foliar nutrition application of humic acid @ 0.3 per cent (N
4
)
recorded significantly higher green leaf yield per plant and estimated green leaf yield per hectare. Enhancement
of significant fresh leaf yield of curry leaf due to humic acid application was also confirmed by Adani et al. (1998)
in tomato.
4 Conclusions
The influence of three factors and their interactions i.e. harvesting of curry leaf plants at 30 cm height at three
months interval of harvests coupled with application of humic acid @ 0.3 per cent had exerted better growth and
leaf yield. Hence it could be conducted that depending upon the growth of the plant either winter with less growth
and more growth during the summer demand for leaf in the market, either one of the treatment combination.
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