modification and performance evaluation of angrau power weeder developed by fim scheme for ...

64 Pages·2016·0.65 MB·English

MODIFICATION AND PERFORMANCE
EVALUATION OF ANGRAU POWER
WEEDER DEVELOPED BY FIM
SCHEME FOR PADDY UNDER
SRI CULTIVATION
BY
CH SRAVAN KUMAR
B.Tech(Agril.Engg.)
THESIS SUBMITTED TO THE ACHARYA N. G. RANGA
AGRICULTURAL UNIVERSITY IN PARTIAL FULFILMENT
OF THE REQUIREMENTS FOR THE AWARD OF THE
DEGREE OF
MASTER OF TECHNOLOGY IN AGRICULTURAL
ENGINEERING
(FARM MACHINERY AND POWER)
CHAIRPERSON: Er.B. HARI BABU
DEPARTMENT OF FARM MACHINERY AND POWER COLLEGE OF
AGRICULTURAL ENGINEERING, BAPATLA – 522 101
ACHARYA N.G. RANGA AGRICULTURAL UNIVERSITY
RAJENDRANAGAR, HYDERABAD – 500 030
2011
CERTIFICATE
Mr. CH SRAVAN KUMAR has satisfactorily prosecuted the course of
research and that the thesis entitled “MODIFICATION AND PERFORMANCE
EVALUATION OF ANGRAU POWER WEEDER DEVELOPED BY FIM
SCHEME FOR PADDY UNDER SRI CULTIVATION” submitted is the result
of original research work and of sufficiently high standard to warrant its
presentation to the examination. I also certify that the thesis or part thereof has not
been previously submitted by him for a degree of any University.
Date:
Place : Bapatla (Er.B. HARI BABU)
Chairman of the Advisory Committee
Assistant Professor
Dept of Farm Machinery and Power
CAE Bapatla
.
CERTIFICATE
This is to certify that the thesis entitled “entitled “MODIFICATION AND
PERFORMANCE EVALUATION OF ANGRAU POWER WEEDER
DEVELOPED BY FIM SCHEME FOR PADDY UNDER SRI
CULTIVATION” submitted in partial fulfillment of the requirements for the degree
of “MASTER OF TECHNOLOGY IN AGRICULTURAL ENGINEERING” in the
major field of FARM MACHINERY AND POWER of the Acharya N.G. Ranga
Agricultural University, Hyderabad is a record of the bonafide research work carried out
by Mr. CH SRAVAN KUMAR under my guidance and supervision. The subject of
the thesis has been approved by the student’s advisory committee.
No part of the thesis has been submitted by the student for any degree or
diploma. The published part has been fully acknowledged. All the assistance and help
received during the course of the investigations have been duly acknowledged by the
author of the thesis.
(Er. K.V.S. RAMI REDDY)
Assistant Professor& Head
Department of Farm Power and Machinery
Thesis approved by Student’s Advisory Committee
CHAIRMAN: Er.B. HARI BABU
Assistant Professor
Dept of Farm Machinery and Power
College of Agricultural Engineering, Bapatla
MEMBER: Er. K.V.S. RAMI REDDY
Assistant Professor& Head
Department of Farm Power and Machinery
College of Agricultural Engineering, Bapatla

MEMBER: Dr. B. JOHN WESLEY
Associate Dean and University Head
College of Agricultural Engineering, Sangareddy

MEMBER: Dr. AUM SARMA
Principal Scientist and University Head(FMP),
FIM Scheme
Hyderabad
.
DECLARATION
I, Mr. CH SRAVAN KUMAR hereby declare that the thesis entitled
“MODIFICATION AND PERFORMANCE EVALUATION OF ANGRAU
POWER WEEDER DEVELOPED BY FIM SCHEME FOR PADDY UNDER SRI
CULTIVATION” submitted to the Acharya N.G. Ranga Agricultural University
for the degree of MASTER OF TECHNOLOGY IN AGRICULTURAL
ENGINEERING in the major field of FARM MACHINERY AND
POWER is the result of original research work done by me. I also declare that
the thesis or any part has not been published earlier in any manner.
Date : (CH SRAVAN KUMAR)
Place : Bapatla
C O N T E N T S
CHAPTER TITLE PAGE
NUMBER NUMBER
I INTRODUCTION
II REVIEW OF LITERATURE
III MATERIALS AND METHODS
IV RESULTS AND DISCUSSION
V SUMMARY AND CONCLUSIONS
VI SUGGESTIONS FOR FUTURE WORK
LITERATURE CITED
APPENDICES
LIST OF TABLES
Table Page
Title
No. No.
3.1 Technical specifications of modified power weeder
4.1 Field evaluation of Power weeder and Cono weeder
4. 2 Weeding efficiency of weeders at 12 Days after transplantation
4.3 Weeding efficiency of weeders at 24 Days after transplantation
4.4 Weeding efficiency of weeders at 36 Days after transplantation
4.5 Plant damage by weeders at 12 days after transplantation
4.6 Plant damage by weeders at 24 days after transplantation
4.7 Plant damage by weeders at 36 days after transplantation
4.8 Number of tiller per square meter at the time of maturity
4.9 Length and grains per panicle under power weeder
operated field
4.10 Length and grains per panicle under cono weeder operated
field
LIST OF FIGURES
Figure Page
Title
No. No.
3.1 Layout of the field
3.2 Main wheel of power weeder
3.3 Front wheel of power weeder
3.4 Castor wheel of power weeder
3.5 Wheel of cono weeder
4.1 Effective field capacity of cono weeder and power weeder at 12,
24, 36 days after transplantation
4.2 Field efficiency of cono weeder and power weeder at 12, 24, 36
days after transplantation
4.3 Weeding efficiency of cono weeder and power weeder at 12, 24,
36 days after transplantation
4.4 Plant damage under cono weeder and power weeder operated
conditions at 12, 24, 36 days after transplantation
LIST OF PLATES
S. No. Particulars Page No.
3.1 Modified Power weeder
3.2 Cono weeder
3.3 Measuring Tape
3.4 Square metallic frame
3.5 Stop watch
3.6 Measuring cylinder
3.7 Core sampler
3.8 Cono weeder in operation
3.9 Power weeder in operation
LIST OF SYMBOLS AND ABBREVIATIONS
mm : milli meter
cm : centimeter
m : meter
s : second
h : hour
L : liter
ha : hectare
L/h : liters per hour
L/ha : liters per hectare
cc : cubic centimeter
man-h/ha : man hours per hectare
g : gram
kg : Kilogram
kg ha-1 : Kilogram per hectare
Rs./h : Rupees per hour
Rs./ha : Rupees per hectare
sq.m : Square meter
BD : Bulk density
oC : Degree Celsius
CD (0.05) : Critical difference at 5 per cent probability level
CV : Coefficient of Variance
DAT : Days after Tranplantation
i.e., : Which is to say, in other words
viz : namely
HP : horse power
et al. : and other
RNAM : Regional Network for Agriculture Machinery
M ha : Mega hectare
Mt : Metric Tonne
LIST OF APPENDICES
S. No Particulars Page No
A Bulk density of soil
B Depth of operation of Cono weeder and Power weeder
C Results of T test
D Estimating cost of operation of weeding