DESIGN OF EBB AND FLOW AUTOMATIC HYDROPONIC SYSTEM FOR CHILLI PEPPER CULTIVATION

Authors

  • Buti Delya Jurusan Teknik Pertanian, FakultasPertanian,Universitas Lampung

Abstract

Ebb and flowhydroponic systemgenerally used a timer to controlnutrient addition. The use of the timer, however
has major disadvantage including inefficiency of nutrient usage. This research aimed at designing of ebb and
flow automatic hydroponic system which able to turn on/off the pump based on the moisture content using
microcontroller.The research was conducted at Greenhouse Facility of the Integrated Field Lab of Agriculture
School, the University of Lampung from April - June 2014. The procedure begins with the manufacture of
instrument, calibration, system design tool, the power supply circuit, equipment test and field test. The results
showed that has been successfully realized automatic ebb and flow hydroponic system working based on the
moisture content. The value of setting point obtained for controling water content for turning on the pump was
< 34.95%andturning off the pumpwas > 69.83%. Cultivation testusingchilli pepper resulted thatautomatic ebb
and flowhydroponic systemwas significally better thanmanually systemone, interms of plantheight and number
of leaves.

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Published

2015-03-25

Issue

Vol. 3 No. 3 (2014)

Section

Articles

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