EFFECT OF SOME ENGINEERING FACTORS ON FEEDING DISC FOR DIRECT SEEDING OF SOAKED AND INCUBATED RICE SEEDS

Document Type : Original Article

Authors

1 Senior Researcher, Agric.Eng. Res. Inst., Dokki, EL- Giza, Egypt.

2 Lect. Agric. Eng. Dept. Fac. of Agric., Al-Azhar Univ. Egypt.

Abstract

Rice crop occupies the first place in area and importance in both national and local level. The cultivation of rice requires a great deal of time, energy and costs.   Therefore, the main objectives of this research were conducted to study effects of some factors engineering of disc feed for direct seeding soaked and incubated rice grains. The factors under study were divided into three different feed disc speeds 0.1 , 0.15 and 0.19 m/sec and three different high fall down  point grain from the feed disc  15 , 20 and 25 cm for rice variety  Sakha 10. It was used in all tests after soaking at 24 hours and incubated at 48-hour.
The best uniformity of grain distribution  achieved  with  C.V 6.13  and 8.05 % at feed disc speed of  0.1 m/s and high fall down point  grain of 15 cm in lateral and longitudinal direction respectively. The lowest values of visible and invisible grain damage 3.33  and 0.23 % were found at feeding  disc speed of 0.1 m/s and fall down grain high of 15 cm. The lowest value of the hill area 24.75 cm2 was obtained with feed disc speed of 0.1 m/s and high fall down point grain of 15 cm.

Main Subjects

References

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Misr Journal of Agricultural Engineering
Volume 27, Issue 4
October 2010
Pages 1048-1061

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