RA 00048.pdf - OAR@ICRISAT

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A B C D E F G H J L machine, which is used during batch operation to release the dehulled grain. The dehuller is similar to, but smaller (30.0 x 63.5 cm) than the PRL dehuller and contains 13 carborundum stones (25.4 cm in diameter x 1.9 cm thick). When operated continuously under field conditions the machine can process up to 3000 kg in 8 hr. The PRL mini dehuller, also available from Nutana Machine Co., is operated on a 7-kg batch basis (Fig. 6). It is useful in a laboratory situation or in a village setting where it performs a service function. Carborundum stones or resinoid disks (25.4 cm in diameter) provide the abrasive action. Grain is simply loaded into the machine, the cover plate (A) is locked, and the disks (B) or stones are rotated at 1500-2000 rpm for 1-5 min. The dehulled grain plus bran are dumped into the emptying chute (C) by rolling over the body of the machine and unlocking the cover plate. Grain and bran are subsequently separated using either air or a sifter. The machine requires a 4-hp motor. It has been successfully applied to cereal grains and grain legumes (Oomah et al. 1982). K UMS Dehuller Type DVA Figure 3 .Schematic diagram of the Decomatic dehuller. (Bernhard Keller AG literature.) A B C F E This dehuller, distributed by United Milling Systems, 8 Gamle Carlsberg VEJ, DK-2500 Valby, Copenhagen, Denmark, provides an abrasive effect by the action of double-edged, interchangeable knives (E) mounted on a vertical rotor (Fig. 7). Bran Emery disc Grain D G a b 1535 Figure 4. (a) Schematic diagram of the Vertical shelling type 270 machine (dimensions in mm); (b) magnified view of the working chamber illustrating the air and bran flow. (F.H. Schule GMBH literature.) 552
T o c y c l o n e Bran FAN G r a i n hopper A i r i n l e t Feed g a t e ADJUSTABLE GATE OVERFLOW OUTLET DEHULLED G<strong>RA</strong>IN RESINOID DISCS Figure 5. Schematic diagram of the PRL dehuller. Figure 6. Photograph of the PRL mini dehuller. Grain enters the machine at (A) and a vertical screw conveyor (C), attached to the lower part of the rotor (B), moves the grain upward into the dehulling chamber (D). The distance between the knives, mounted in the upper part of the rotor, and a stationary perforated cylindrical screen (F) determines the rate of dehulling. Fines are blown through the screen, while the dehulled grains are taken off at the top outlet gate (H). The throughput is regulated by means of counterweights (G) attached to the outlet gate (H). The manufacturer claims a throughput of up to 2000 kg/hr of sorghum. The machine is powered by a 30 hp motor and weighs 447 kg. Palyi-Hansen BR 001-2 This unit consists of a multiple combination of rotating disks, each one consisting of a side with abrasive corrugated blades and a side having perforated abrasive blades with openings (Rasper 1977). The disks are mounted on a horizontal shaft and are hollow to enable the air to flow under pressure through the perforations in the abrasive surface. The disks are housed in a perforated metal drum through which pieces of bran are blown. Rasper (1977) reported that the machine was in the early stages of testing and, to date, the progress of its development is not known. Buhler-Miag Types DNRH, DSRD, MHV, DSRH, MKDA Buhler-Miag (9240 Uzwil, Switzerland) is involved in the problem of dehulling sorghum (Wyss 1977). However, very little information is available on the application of the five abrasive-type dehullers they manufacture. The horizontal hulling machine (type DNRH) provides abrasive action with emery rings in a fixed sieve-plate cylinder mounted on a horizontal axis. A 15 hp motor gives throughputs ranging from 250 to 1000 kg/hr at rotor speeds between 800 and 1600 rpm. The machine is used mainly on 553
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SORGHUM IN THE EIGHTIES Volume 2 In
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Sorghum in the Eighties Proceedings
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C o n t e n t s Volume 1 F o r e w
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Breeding for Pest Resistance in Sor
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Foreword In October 1971 in Hyderab
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Cropping Systems with Sorghum R. W.
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than sole sorghum. If a row arrange
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the staple cereal. Baker (1979b) ha
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may often be greater under low fert
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Ratoon Systems The importance of ra
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the associated crop can all be defi
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MANDAL, R. C, VIDYABHUSHANAM, R. V.
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Crop Management M. D. Clegg* The ge
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systems. Maize has generally been g
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the next crop. A similar harvesting
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UNGER, P. W., and STEWART, B. A. 19
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programs to evolve closed pedigree
Page 40 and 41: ally one would go back to breeder's
Page 42 and 43: egion after a careful study of fact
Page 45 and 46: The Mechanization of Millet and Sor
Page 47 and 48: was soon used with a pair of bulloc
Page 49 and 50: should be understood that workers f
Page 51 and 52: • The under-utilization of certai
Page 53 and 54: season makes these animals incapabl
Page 55: we will assist in over-equipping th
Page 58 and 59: contain more clay and considerable
Page 60 and 61: uncertain moisture are the rule in
Page 62 and 63: a. Transfer of existing local varie
Page 64 and 65: JHA. D. 1980. Fertilizer use and it
Page 66 and 67: proved postharvest grain systems ar
Page 68 and 69: most developing countries, farmers
Page 70 and 71: The first concern of research and d
Page 72 and 73: to be investigated further to devis
Page 75 and 76: Session 6 Production Technology L R
Page 77: seed production by autonomous indep
Page 80 and 81: educed because of shading compared
Page 82 and 83: Willey Millet/groundnut Intercroppi
Page 85 and 86: Sorghum Dry Milling R. D. Reichert*
Page 87 and 88: machines, abrasive elements are mou
Page 89: Hopper Dehuller Motor Rubber cone E
Page 93 and 94: Hopper Head cover Metal screen Meta
Page 95 and 96: Somdiaa Mill: Bonfora, Upper Volta
Page 97 and 98: Figure 11. Photograph of the modifi
Page 99 and 100: JONES, R. W., and BECKWITH, A. C. 1
Page 102 and 103: Industrial Milling of Sorghum for t
Page 104: Plate 1 :a. The sorghum mixture (1)
Page 107 and 108: A D B C E Figure 2. The United Mill
Page 109 and 110: EGGUM. B. 0., BACH KNUDSEN, K. E.,
Page 111 and 112: thickness within a kernel and betwe
Page 113 and 114: 3. Thick porridge —to, tuwo. ugal
Page 115 and 116: Table 2. lnjera quality parameters
Page 117 and 118: Table 5. Sankati quality characteri
Page 119 and 120: Table 7. Overall acceptability of t
Page 121 and 122: swelling power and starch solubilit
Page 123 and 124: C r o s s i n g b l o c k p a r e n
Page 125 and 126: AID/DSAN/XII/6-0149 from the Agency
Page 127 and 128: ROONEY, L. W.. and KIRLEIS, A. 1979
Page 129 and 130: Table 1. Percent crude protein, 96
Page 131 and 132: proved protein quality and total gr
Page 133 and 134: distilled water for 3 hr. The M 1 p
Page 135 and 136: 4 0 Low y i e l d c l a s s (22) M
Page 137 and 138: Table 7. Comparison of results from
Page 139 and 140: Table 10. Effect of fermentation an
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fermented Sudanese kisra and abrey
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Sorghum as an Energy Source R. E. S
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Table 1. Source Corn Grains, total
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S w e e t s o r g h u m s y r u p v
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October and November (Fig 1) In thi
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Table 4. Comparison of juice qualit
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(80)20 BR 500 (Rio) Brix (% juice)
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Table 6. Agricultural and Industria
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Sweet sorghum Stalks (75%) Leaves (
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Development of Basic Studies Seedli
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Agricultural Experiment Station, Te
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• It converts sorghum as a conven
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Session 7 Food Quality and Utilizat
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Session 8 Socioeconomic Considerati
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1. Climatological and physical cond
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why a substantial percentage of far
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An example of the possible problem
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Although those would appear to enco
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Changes from Farm-level Food Self-s
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appear to be merit in strengthening
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TIFFEN. M. 1976. The enterprising p
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egional sense are well known. It is
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to commercial sale. ONCAO sold to p
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interpretations can be given to the
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esearch can concentrate on the most
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Sorghum Marketing in India M. von O
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Table 2. Area, production, and yiel
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Table 4. Production and percentage
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Seasonal Price Variation of S o r g
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Name o f s t a t e P r o d u c t i
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Index 350 340 330 320 3 1 0 3 0 0 2
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Figure 6. Average sorghum prices in
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Table 8. Regression coefficients (t
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Some Important Socioeconomic Issues
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areas in t h e s e zones can be ret
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urgently to tackle t h e p r o b l
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T a b l e 5 . P r o j e c t e d a r
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eports of t h e N C A (1972; 1976c)
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T a b l e 7 . P h y s i c a l a n d
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t i m e l y supply of quality chemi
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Model I: Diffusion Model I I : Feed
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International ICRISAT More develope
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find that their linkage w i t h t h
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A s w e look t o t h e eighties, w
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countries, w h e r e p r o d u c t
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26 24 Karnataka 22 2 0 Maharashtra
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to not result in vastly different c
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c o s t s represent 2 9 % of its na
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T a b l e 7 . S t a t e i n t e r v
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Sorghum Breeding Strategies In Indi
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areas of t h e semi-arid tropics w
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VON OPPEN, M., and RAO, P. P. 1982.
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farmers. I am not sure that this ge
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t r u e in s o m e areas, but I can
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Session 9 Plenary Session Chairman:
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2.1.4 N e e d for i m p r o v e d i
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taxa retain variation that w a s lo
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ing rice; s o r g h u m on l o w -
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Valedictory Speech A. H. Bunting* M
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in agriculture m a y be m a d e . "
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Appendix 1 Short Communications
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Results indicated that stover yield
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grain was assessed for grain mold b
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Mutational Studies in Sorghum C. S.
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The Contribution of IRAT to the Dev
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Poster Session The following papers
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The Starch for Apospory in Sorghum
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A Grain Yield Development in a Hybr
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Nitrogen-fixing Bacteria Associated
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Presentation of Award J. Roy Q u i
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Lecture After Presentation of Award
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prepared by Dr. M o r g a n , have
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i n g s of t h e International S h
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P a r t i c i p a n t s , I n t e r
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India S. S. Adkoli Plant Pathology
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B. B. Reddy Plant Breeding IARI Reg
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O. Sidiba Institut du Sahel B.P. 15
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Siwaporn Siwawej Food Science and T
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W. H. M. Morris Agricultural Econom
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P E A R L MIILLET T R A I N I N G D
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I C R I S A T International Crops R
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