BIOMETRIC RESPONSE OF CHILLI UNDER MICRO IRRIGATION PRACTICES - Management, Performance, and Applications of Micro Irrigation Systems - page 161

TABLE 4 Water use efficiency (WUE), Nitrogen use efficiency (NUE) Potassium use
efficiency (PUE) in chili crop.

Treatments WUE

(kg/ha/mm)

NUE
(kg.kg -1 )

KUE
Kg.Kg -1

T1 25 176.42 529.28

T2 22 156.58 469.70

T3 23 190.10 570.32

T4 21 175.60 526.80

T5 25 244.26 732.80

T6 24 239.36 718.08

12.4 CONCLUSIONS
The effects of different irrigation levels and drip system layout under plastic mulch on
the performance of Chilli ( Capsicum annum ) was studied. The number of branches,
stem girth and yield showed significant differences among the treatments. The yield
showed significant difference with different levels of irrigation and drip system lay-
out. Maximum yield of 458 g/plant (18.32 t/ha) was observed for the treatment T5.
The benefit cost ratio was 3.8 for treatment T5 at 85% of the irrigation requirement
with one lateral for each row of crop and 3.9 for treatment T6 at 85% of the irrigation
requirement with one lateral in between two rows of crop. Although the yield for the
treatment T5 was high, yet the benefit cost ratio stands high for treatment T6. The high
value of benefit cost ratio for treatment T6 was due to the reduction in the quantity of
material for drip irrigation system.

12.5 SUMMARY
Field experiment on the effects of fertigation and drip system layout was conducted
at KCAET, Tavanur - India. The experiment was laid out in a factorial randomized
block design with treatments, which included three irrigation levels 85, 75 and 65%
of daily irrigation requirement and two different drip system layout which were repli-
cated thrice. In chili, maximum yield of 458 g/plant (18.32 t/ha) was observed for the
treatment T5. The benefit cost ratio for treatment was 3.8 for T5, 85% of the irrigation
requirement with one lateral for each row of crop and was 3.9 for treatment T6, 85%
of the irrigation requirement with one lateral in between two rows of crop was 3.9.
Even though the yield for the treatment T5 was high, the benefit cost ratio stands high
for treatment T6. The high value of benefit cost ratio for treatment T6 was due to the
reduction in the quantity of material for drip irrigation system.