Influence of Operating Parameters on the Milling Quality of Long-Grain White Rice

EL-REHEEM, Solaf ABD; Awad, Mohamed A.; GAWAD, Fatma ABD EL; COTTB, Mokhtar; Okasha, Mahmoud

doi:10.35633/inmateh-68-66

Cited by 6 publications

(3 citation statements)

References 16 publications

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“…These findings are in conformity with Yadav and Chouhan, [25]. However, Shekar et al [26] reported that different irrigation levels had no significant effect on the seed index [27,28]. The highest boll weight was observed in fully irrigated plots, and the lowest boll weight was observed under 60% irrigated plots [17].…”

Section: Effect Of Irrigation and Fertigation Levels On Yield Attribu...supporting

confidence: 88%

Assessing the Impact of Deficit Irrigation on Yield and Phenology of Bt Cotton (Gossypium hirsutum L.)

Annu,

M. N,

Singh

2024

J. Exp. Agric. Int.

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Aims: To Evaluate the Impact of Different Irrigation Levels on Cotton Yield and Phenological Traits and To Determine the Optimal Fertigation Level for Cotton Cultivation. Study Design: Factorial Randomized Block Design. Place and Duration of Study: Department of Agronomy, CCSHAU, Hisar, Haryana, India between June 2019 and July 2020. Methodology: The experiment was set up in open fields with replicated plots to ensure the reliability of the results. The study included three irrigation levels: I1 (1.0 Etc), I2 (0.8 Etc), and I3 (0.6 Etc). Additionally, four fertigation levels were also tested: F1 (control), F2 (50% Recommended Dose of Fertilisers, RDF), F3 (75% RDF), and F4 (100% RDF). The factorial randomized block design with three replications was used to manage the plots. Key phenological traits, such as days to squaring, 50% flowering, 50% boll development, and maturity, were recorded. Yield components including seed cotton yield, number of bolls per plant, and individual boll weight were also measured. Bt cotton genotype RCH 776 was used for the study. All the agronomic practices were done as per the recommendations of CCSHAU. Statistical analysis was performed to determine the significance of differences between treatments. Results: The results indicated that the highest irrigation level, I1 (1.0 Etc), led to prolonged phenological stages but achieved the highest seed cotton yield of 3854 kg/ha. In contrast, the lowest irrigation level, I3 (0.6 Etc), resulted in the lowest yield at 3327 kg/ha. Additionally, I1 outperformed I3 in terms of boll number and individual boll weight. Regarding fertigation treatments, F4 (100% RDF) produced the highest seed cotton yield (4404 kg/ha), boll weight (4.09 g), and number of bolls per plant (53/Plant). These findings suggest that both irrigation and fertigation significantly influence cotton yield and its components. Conclusion: This study concluded that deficit irrigation, particularly at the I2 level (0.8 Etc), can optimize water use efficiency without significantly compromising yield. The highest fertigation level (F4) was found to produce the best yield outcomes. These optimized irrigation and fertigation practices are recommended for enhancing cotton production in arid regions like Haryana, with further validation needed to ensure their reliability and effectiveness in different environmental conditions.

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Section: Effect Of Irrigation and Fertigation Levels On Yield Attribu...supporting

confidence: 88%

Assessing the Impact of Deficit Irrigation on Yield and Phenology of Bt Cotton (Gossypium hirsutum L.)

Annu,

M. N,

Singh

2024

J. Exp. Agric. Int.

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“…b is the width of the blades, m. In this paper, take b=1.5 mm. Comprehensive formula (5) and formula (6):…”

Section: Internal Impellermentioning

confidence: 99%

Design and experiment of impeller seed guide device for rice internal suction hole direct seeding device

Shang,

Zhou,

Yang

et al. 2024

Sci Rep

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Multi-grain hole-forming sowing and uniform hole spacing are important agronomic requirements for precise hole-direct seeding of rice.This paper designs a kind of impeller type seed guiding device. The main structural parameters of the impeller seed guide device were analyzed by constructing the kinematics model of the rice seed in the impeller seed guide process. The experiment analysis were carried out with the long-grain rice variety Chuangliangyou 4418 as the seeding object. The optimal structural parameter combination of seeding-guiding device was determined as inner impeller radius 56 mm, blade offset angle 11° and seeding angle 36°. On this basis, the seeding performance test of different seed guiding devices of internal suction seed-metering device was carried out by using rice seeds with different external dimensions. The test results show that the impeller has better cavitation and hole spacing uniformity than the seed guide tube. The average hole diameter is not higher than 21.7 mm, the qualified rate of hole diameter is not lower than 96.1%, and the coefficient of variation of hole spacing is not higher than 10.1%. Compared with the seed guide tube, which is increased by 32%, 16% and 34% respectively, and the average hole distance is about 200 mm in theory.

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“…Mechanical properties of rice is very important in the design of rice processing machine, milling machine, and destoning machine Frictional coefficient and angle of repose influence the flow of rice materials in machine and outlets. Flow ability of materials which is characterized by the angle of repose and the coefficient of friction on a particular surface determined the type of handling system and its components [12].…”

Section: Introductionmentioning

confidence: 99%

Effect of Moisture Content on Some Selected Mechanical Properties of Faro 44 and 57 Variety of Rice (Paddy and Dehusked)

Mazza,

Abubakar,

Hamisu

et al. 2024

Nigerian Journal of Tropical Engineering

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The mechanical properties of rice are among the most important parameters for designing and development of a rice milling machine, destoning machine as well as materials handling. The objective of the study was to determine the mechanical (angle of sliding and internal frictions) properties of (FARO 44 and FARO 57) paddy and dehusked at three different moisture content (5, 10 and 15%) moisture content dry basis. These properties were determined using Funnel and Baker technique and shear box apparatus respectively. The results showed that, angles of internal friction were at least 15.2°, on the average within the moisture ranges tested however, 35° angles were also obtained. Angles of sliding friction ranged between 40° - 50°. This study concludes that moisture content and variety affect the engineering property; angle of internal friction is useful in the determination of lateral and horizontal stress in the silo for grain storage.

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Influence of Operating Parameters on the Milling Quality of Long-Grain White Rice

Cited by 6 publications

References 16 publications

Assessing the Impact of Deficit Irrigation on Yield and Phenology of Bt Cotton (Gossypium hirsutum L.)

Assessing the Impact of Deficit Irrigation on Yield and Phenology of Bt Cotton (Gossypium hirsutum L.)

Design and experiment of impeller seed guide device for rice internal suction hole direct seeding device

Effect of Moisture Content on Some Selected Mechanical Properties of Faro 44 and 57 Variety of Rice (Paddy and Dehusked)

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