FERTIGATION MANAGEMENT OF CAULIFLOWER
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Date
2004
Authors
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Mahatma Phule Krishi Vidyapeeth, Rahuri
Abstract
Cauliflower is one of the most important vegetable crop grown in
Maharashtra. Shortage of irrigation water forced the farmers to adopt water
saving methods like drip. With the introduction of drip method farmers noticed
its effect on quality and yield of the fruits. The water soluble fertilizers are
available in the market. This allowed the application of fertilizers through drip
irrigation system in number of splits, which improves the water use efficiency
and fertilizer use efficiency. However, the cost of these water soluble fertilizers
is comparatively higher than the straight fertilizers. The field experiment was
therefore, undertaken with the specific objective to find out the effect of
different water soluble fertilizer levels on yield of cauliflower, FUR and WUE
along with the effect of fertigation on field performance of drip system. The
different levels of recommended dose of NPK nutrients for cauliflower were
applied in the form of commercially available water soluble fertilizers (WSF)
along with irrigation water through drip irrigation system as well as the straigth fertilizers by band placement. The study included six treatments and three
replications viz., T( = 60 % of recommended dose, T2 - 80 % of recommended
dose, T3 = 100 % of recommended dose, T4 = 120 % of recommended dose, T5
= 140 % of recommended dose of WSF through drip irrigation and T6 = 100 %
of recommended dose of straight fertilizer by band placement.
The field emission uniformity (EU) values were found in the
range of 93.84 % to 94.58 % with an average value of 94.29 for entire system.
The maximum average reduction in discharge of emitters was
found as 6.37 % due to water quality in treatment T6 and 4.88 % in treatment
Ti due to fertigation, respectively.
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