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1 edition of Effect of date of harvest on yield and milling quality of rice found in the catalog.

Effect of date of harvest on yield and milling quality of rice

W. D. Smith

Effect of date of harvest on yield and milling quality of rice

by W. D. Smith

  • 18 Want to read
  • 40 Currently reading

Published by U.S. Dept. of Agriculture in Washington, D.C .
Written in English

    Subjects:
  • Rice,
  • Harvesting time

  • Edition Notes

    Statementby W.D. Smith ... [et al.].
    SeriesCircular / United States Department of Agriculture -- no. 484, Circular (United States. Dept. of Agriculture) -- no. 484.
    The Physical Object
    Pagination20 p. :
    Number of Pages20
    ID Numbers
    Open LibraryOL25517957M
    OCLC/WorldCa16837666

    recovery is the major concerns in rice milling and quality. Other related milling quality parameters are percentage broken kernels, total milling yield, degree of milling, percent unmilled grain and milling loss (Farouk and Islam, ; Peter and Olutayo, ). Chemical analyses made on rice grain. Effect of planting date on grain yield of selected rice cultivars grown in the Ord Siva Sivapalan, Department of Agriculture and Food, Kununurra Key messages Correct planting time is crucial to achieve high yields and the best grain quality for selected rice varieties in the Ord River Irrigation Area.

    Lodging increased grain yield losses in both seasons, with the losses being greater when harvested late; therefore, lodging-susceptible varieties should be harvested earlier than lodging-resistant varieties. Nitrogen fertilization in the dry season delayed by 2 to 4 days the optimum time of harvest of the improved varieties IR8, IR5 and C remarkable book " Rice Farming complete with methods to increase rice crop yield' This book was written by a man totally invested in rice as a major factor in the quality of life for the people of the world. The Author gives us historic, political and socio-econormic context. The book /5(11).

      To determine effects of level and time of application of urea on grain yields, components of grain yield, and nitrogen use efficiency by irrigated direct seeded rice (Oryza sativa L. var. IR ), three field experiments were conducted at the Gezira Agricultural Research Station during the period – The treatments included the factorial combination of three levels of nitrogen Cited by: 3. Abstract: In this study, the effect of paddy dehusking rate in rubber, the roll sheller at four levels of 60, 70, 80 and 90% were investigated on some milling properties as Head Brown rice Yield (HBY), Head Rice Yield (HRY) and whiteness of three Iranian rice varieties namely Binam, Khazar and Sepidroud was examined. The results revealed that the HBY decreased from , and.


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Effect of date of harvest on yield and milling quality of rice by W. D. Smith Download PDF EPUB FB2

Additional Physical Format: Online version: Effect of date of harvest on yield and milling quality of rice. Washington, D.C.: U.S. Dept. of Agriculture, Head rice yield can vary from 0 (all kernels are broken) to a maximum of approximately 70% (no kernels broken).

Milling quality is often expressed as a ratio of head rice yield to milled rice yield. For example, a 58/70 value would indicate a head rice yield of 58%, milled rice yield of 70%, and 12% broken kernels (the difference between the.

the head rice yield (HRY). Head rice yields can vary from 0 (all kernels are broken) to a theoretical maximum of approximately 70% (no kernels are broken).

Milling quality is often expressed as a ratio of the HRY to the MRY, e.g., a 58/70 value would indicate an HRY of 58%, MRY of. 70% and brokens yield of 12%, the. Broken kernels reduce File Size: KB. [7.] Dehghan, A., The effect of delayed planting date on grain yield and yield components of three Sorghum in Khouzestan.

The Scientific Journal of Agriculture, 30(4): [8.] Vang, T. and I.U. Obi, Effect of planting date on some agronomic traits and grain yield of upland rice varieties at Makurdi.

Experimental Data Collection and Definitions. Annual Arkansas Rice Performance Trial (ARPT) experimental data from six locations over four years were used to estimate the yield and milling quality in the models (Table 1).Three randomized plots of each cultivar were planted in each location-year combination and cultivated under standardized management practices for obtaining optimal yields and Cited by: The effects of milling and postmilling conditions on milled rice temperature, moisture loss, cooling rate, single and multiple fissuring rates, total rice yield (TRY), head rice yield (HRY.

As compared with other quality traits, a relatively small number of genetic analyses have been conducted on the milling quality of rice. Genetically, rice milling quality is a quantitative trait that is controlled by polygenes (Bao and Corke, ), but exploring the genetic architecture of the milling quality is Cited by: 3.

Thompson and Mutters [11] studied the effect of weather and rice moisture at harvest on milling quality of California medium-grain rice. They found that harvesting under dry climate conditions.

The effects of sun-drying on milling and the quality of rice (Oryza) in terms of milling yield and percentage of broken grains were rice paddy was threshed before being subjected to two treatments based on whether it was parboiled or by: Typical outputs of rice different rice mills.

The milling yields are determined by variety, the history of the crop and the type of milling equipment used. The potential yields can be determined using optimum quality paddy dried to 13% moisture content using laboratory milling equipment.

Milling yields in the real world are often much lower. Rice Grain Yield and Quality Paul A. Counce,* Terrence J. Siebenmorgen, Earl D. Vories, and Donald J. Pitts In the dry-seeded, flooded rice (Oryza sativa, L.) produc- tion areas of the southern USA, a flood is normally main. tained until shortly before harvest to minimize rice yield or milling quality reduction due to water deficits.

Research con. Some of these problems can be solved at the rice mill, whereas others are related to the way rice is grown and handled after harvest. Undermilled rice. Under-milled rice is under-polished rice, or rice with bran streaks left in it. The bran contains much of the desired nutritious elements.

Under milling will also yield higher milling recoveries. The most unique thing about rice is milling yield. This is logical as traditionally the value of broken rice was 50 percent or less than the value of whole kernel rice.

No other ag product changes its value as dramatically as rice, all based on the test milling of a sample. Not wheat, not corn, not soybeans. Time of draining and harvest effects on rice grain yield and milling quality. Journal of Production Agriculture • Counce, P.A., and B.R. Wells.

Rice plant population density effect on early season nitrogen requirement. Journal of Production Agriculture • Counce, P.A. Row spacing effects on rice tion: Professor. Rough rice mass. Milling yield isa term that is often referred to as “millingquality”; this term is often used in reference to HRYbut also is routinely expressed as a ratio, with the numeratorbeing the head rice yield and the denomina-torthe milled rice yield.

For example, File Size: KB. conducted on the combined effect of paddy harvest time and its milling stage’s moisture content on milling quality of rice. So, in this research, the effects of five levels of harvest time and four milling moisture levels of long grain paddy variety of Hashemi were studied on milled rice breakage and crack percent in north of Iran.

again were associated with variant with the highest percentage of moisture at harvest. Keywords: rice, milling yield, head rice yield, grain breakage. Introduction The yield and quality of white rice obtained by paddy processing determine the income of rice producers. They directly depend of.

before and after harvest management with yield and quality of white rice in different rice varieties. The propose of this research was to investigate the influence of moisture content in paddy in the moment of harvest and time of paddy storage after harvest on milling yield and on grain breakage at San Andrea variety.

In Macedonia. Effect of Final Moisture Content, Cooling Time and Paddy Variety on Milling Quality of Rice (Oryza sativa, L.) Kulwa Furahisha1, Lucy Mlipano Chove 2* and Davis Chaula2 Accepted 15 November, 1Grain Quality, Postharvest and Value Addition Unit, ARI -KATRIN, Private Bag, Ifakara Morogoro, Tanzania.

During harvest season, grain shattering is an important trait which affects both yield and milling quality of rice crop. A two-year study was carried out in order to investigate the variation of grain shattering habit and head rice yield at different harvest times.

The experiments were laid out in a factorial based on completely randomized design with five replications in order to examine the. Milling yield is the percentage of finished product obtained from the milling of a cereal crop.

Wheat milling yield is the percent of flour obtained from a given unit of whole wheat kernels (flour yield or flour extraction rate), averaging % in the United States [clarification needed]. Rice milling yield is the amount of polished white rice obtained from husked rough rice (yields of.Timely harvesting of rice also ensures good quality with higher yield (Ali et al., ).

Grain yield and its quality depend on the right judgment at harvesting. Farmers usually harvest transplant aman rice at or beyond the full maturity stage and keep it in the field quite a long time for drying in Bangladesh (Ali et al., ).

It is, therefore.Goals / Objectives Quantify the effects of pre-harvest production practices, such as water and fertility management, as well as factors such as the moisture content (MC) at which rice is harvested, on rice physicochemical properties and resultant milling behavior to determine impacts on overall processing performance and product fy the impact of various drying strategies.