Design and Development of Precision Planter for Paddy Direct Seeding

Pittala Rajaiah; Indra Mani; Roaf A. Parray; Satish D. Lande; Adarsh Kumar; Cini Vergese

doi:10.52151/jae2020574.1723

Authors

Pittala Rajaiah PJSTSAU, Telangana Author
Indra Mani Division of Agricultural Engineering, ICAR-Indian Agricultural Research Institute, New Delhi Author
Roaf A. Parray Division of Agricultural Engineering, ICAR-Indian Agricultural Research Institute, New Delhi Author
Satish D. Lande Division of Agricultural Engineering, ICAR-Indian Agricultural Research Institute, New Delhi Author
Adarsh Kumar Division of Agricultural Engineering, ICAR-Indian Agricultural Research Institute, New Delhi Author
Cini Vergese ICAR- Indian Agricultural Statistics Research Institute, New Delhi-110 012 Author

DOI:

https://doi.org/10.52151/jae2020574.1723

Keywords:

Precision paddy planter, seed placement index, seed rate, germination percentage

Abstract

A study was undertaken to design and develop a precision planter for direct seeding of paddy to overcome the problems faced in direct seeding with respect to seed rate and spacing. Physical and engineering properties of paddy seeds of three varieties (PUSA1121, PUSA-44 and BPT-5204) representing long, medium, and small-sized paddy seed were used for selection of design values of planter components. Based upon laboratory performance, an optimum size metering plate, forward speed of operation, and angle of inclination were selected; and a prototype of a tractor-drawn 9-row precision paddy planter with electronic metering was developed. Performance results indicated a mean seed spacing of 150.1 mm (closer to recommended 150 mm), 90.5 % highest quality feed index, 5.7 % lowest miss index and 6.2 % multiple index, minimum seed damage of 0.38 % and optimum seed rate of 20.15 kg.ha-1 (closer to recommended 20 kg.ha-1) at a forward speed of 2.0 km.h-1 and 350 angle of inclination of slanting-type cells. The breakeven point and payback period of the prototype precision planter were 95 h.year-1 and 2.5 years, respectively, and were close to that of mechanical planter (88 h.year-1 and 2.3 years, respectively).

Author Biographies

Pittala Rajaiah, PJSTSAU, Telangana

Principal Scientist
Indra Mani, Division of Agricultural Engineering, ICAR-Indian Agricultural Research Institute, New Delhi

Principal Scientist
Roaf A. Parray, Division of Agricultural Engineering, ICAR-Indian Agricultural Research Institute, New Delhi

Scientist
Satish D. Lande, Division of Agricultural Engineering, ICAR-Indian Agricultural Research Institute, New Delhi

Scientist
Adarsh Kumar, Division of Agricultural Engineering, ICAR-Indian Agricultural Research Institute, New Delhi

Principal Scientist
Cini Vergese, ICAR- Indian Agricultural Statistics Research Institute, New Delhi-110 012

Senior Scientist

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