Course
/ : / Grain QualityModule 3
/:
/Determining the Physical Characteristics of Paddy Rice
Exercise
Methodology
/:
/This exercise will allow the participants to put into practice what they have learned in the module.
Outcome
/:
/At the end of this exercise, each participant will be able to evaluate the ‘quality’ of paddy rice samples.
Materials
/:
/Participants are required to bring a sample of a 250 g paddy rice that is of known quality.
Organization
/:
/ The participants may perform this exercise as an individual or as a group activity.Process
/:
/The trainer must be able to direct the participants to:
1.Perform quality tests on samples of paddy rice.
2.Record the results of the activity as provided in the form.
3.Discuss the results of the activity. During the discussion, the trainer may provide the known ‘quality’ characteristic of paddy rice to make a compare them with the output of the participants.
Evaluation
/:
/The trainer will examine and evaluate the results of the activity and compare them to the information about the ‘quality’ of known characteristics.
Course
/ : / Grain QualityModule 3
/:
/Determining the Physical Characteristics of Paddy Rice
Lesson 1
/:
/ What are the six physical characteristics of paddy rice that determine ‘quality’?Methodology
/:
/This lesson will discuss in detail the physical characteristics of paddy rice.
Outcome
/:
/At the end of this lesson, each participant will be able to identify and describe the physical characteristics of paddy rice.
Materials
/:
/No additional materials are required from the participants for this lesson.
Organization
/:
/ This lesson must be organized as a lecture and discussion activity.Process
/:
/The trainer must be able to:
1.Orient the participants on the importance of ‘quality’ in rice production.
/[2 min.]
2.Discuss the overview of the module and emphasize ‘quality’ test and their use in national standards.
/[2 min.]
3.List down and discuss with the participants the ‘quality’ characteristics of paddy rice.
/[5 min.]
4.Provide an overview of the ‘quality’ characteristics of rice.
/[10 min.]
5.Give details on the importance of each characteristic and illustrate what each characteristic measures.
/[10 min.]
Evaluation
/:
/At the end of the session, the trainer will ask the participants some questions about the range of tests and their use. The trainer may use pictures of rice samples and ask them what are the characteristics of rice in each sample picture.
Course
/ : / Grain QualityModule 3
/:
/Determining the Physical Characteristics of Paddy Rice
Lesson 2
/:
/ How do you measure the moisture content of paddy rice?Methodology
/:
/This lesson will discuss in detail the optimal moisture content of paddy rice for milling.
Outcome
/:
/At the end of this lesson, each participant will be able to identify and describe the optimal moisture content of paddy rice for milling, as well as measure the moisture content of paddy rice in two days.
Materials
/:
/Participants are required to bring a sample of a 500 g paddy rice. They are also required to bring petri dishes, a weighing scale, an oven, and at least one type of a moisture content tester.
Organization
/:
/ This lesson must be organized as a lecture and a discussion activity.Process
/:
/The trainer must be able to:
1.Give a brief discussion on the importance of moisture content.
/[2 min.]
2.Provide an overview of the processes in measuring moisture content.
/[5 min.]
3.Conduct a practical exercise to let the participants measure the moisture content of sample paddy rice using the oven drying method and the electronic moisture tester.
/[20 min.]
Note: The participants will perform the oven method and may return after 24 hours to get the result.
Evaluation
/:
/The trainer will observe the participants conduct the activity and see if they perform the tests correctly. At the end of the session, the trainer will ask the participants some questions on the importance of measuring the moisture content of paddy rice and how to measure it.
Course
/ : / Grain QualityModule 3
/:
/Determining the Physical Characteristics of Paddy Rice
Lesson 3
/:
/ How do you measure grain dimension and 1000-grain weight to test the varietal purity of paddy rice?Methodology
/:
/This lesson will discuss in detail the importance of varietal purity, as well as its measure using grain dimension. It will also give a review on the procedures of measuring grain through trainer supervision of activity and calculation of L-W ratio after completing the information required from the table.
Outcome
/:
/At the end of this lesson, each participant will be able to calculate the L-W ratio from the samples of paddy rice.
.
Materials
/:
/Participants are required to bring samples paddy rice. They are also required to bring Vernier calipers to measure the length and width of grains, as well as a copy of the worksheet taken from the lesson notes.
Organization
/:
/ This lesson must be organized as individual works of participants.Process
/:
/The trainer must be able to:
1.Ensure that each participant brings the necessary materials.
2.Discuss briefly varietal purity, and the use of L-W ratio as a measure.
/[3 min.]
3.Review the process of measuring the length and width of grains.
/[2 min.]
4.Instruct the participants to select and measure 20 grains and record the measurements.
/[15 min.]
5.Demonstrate how to calculate the L-W ratio and let the participants complete the calculation of data from the table.
/[5 min.]
6.Gather and discuss the individual results as a group.
/[5 min.]
Evaluation
/:
/The trainer will observe the participants during the session, and see if the worksheets are completed. At the end of the session, the trainer will ask the participants to write the results at the board and discuss with the big group if there are variances or discrepancies in their calculations.
Course
/ : / Grain QualityModule 3
/:
/Determining the Physical Characteristics of Paddy Rice
Lesson 3
/:
/ How do you measure grain dimension and 1000-grain weight to test the varietal purity of paddy rice?Methodology
/:
/This lesson will discuss how to measure the 1000-grain weight ‘quality’ characteristic of paddy rice.
Outcome
/:
/At the end of this lesson, each participant will be able to learn how to measure 1000-grain weight of paddy rice.
.
Materials
/:
/Participants are required to bring randomly selected samples of paddy rice. They would also use a scale to measure the 100-grain samples and a clear surface to place and count rice grains on.
Organization
/:
/ This lesson must be organized as a practical exercise.Process
/:
/The trainer must be able to:
1.Discuss the importance of the 1000-grain weight.
/[2 min.]
2.Conduct an exercise to allow the participants count and weigh the 1000-grain paddy rice.
/[20 min.]
Evaluation
/:
/The trainer will observe the participants during the exercise and ensure that each is performing their tasks.
Course
/ : / Grain QualityModule 3
/:
/Determining the Physical Characteristics of Paddy Rice
Lesson 4
/:
/ How do you measure the purity of paddy rice?Methodology
/:
/This lesson will: 1) define and discuss grain purity ‘quality’ characteristics of paddy rice; 2) illustrate the different types of impurities that may be present; and, 3) demonstrate the procedure in measuring the purity of paddy rice.
Outcome
/:
/At the end of this lesson, each participant will be able to gain knowledge of impurities present in paddy rice and at the same time, measure the amount of dockage.
Materials
/:
/Participants are required to bring a sample of a 100 g paddy rice. They will also use a scale to measure the 100-grain sample of paddy rice and a clear surface to place and sort the rice grains.
Organization
/:
/ This lesson must be organized as a practical exercise.Process
/:
/The trainer must be able to:
1.Discuss the importance of knowing the grain purity of paddy rice.
/[2 min.]
2.Discuss the types of dockage.
/[5 min.]
3.Conduct an exercise where participants will sort and weigh dockage from the sample paddy rice.
Participants must be able to separate the three types of dockage, and weigh and calculate the percentage for each type of dockage.
/[20 min.]
Evaluation
/:
/The trainer will observe the participants during the exercise, and ensure that each participant correctly identifies and weighs the types of dockage.
Course
/ : / Grain QualityModule 3
/:
/Determining the Physical Characteristics of Paddy Rice
Lesson 5
/:
/ What causes cracked grains and how does this affect the ‘quality’ of paddy rice?Methodology
/:
/This lesson will provide details in determining the percentage of cracked grains and how they affect ‘quality’ characteristics of paddy rice.
Outcome
/:
/At the end of this lesson, each participant will be able to identify and measure the percentage of cracked grains in samples of paddy rice.
Materials
/:
/Participants are required to bring a randomly selected sample of a 100 g paddy rice. They will also use a crack detector or a magnifying glass and simple plastic containers or small paper bags to hold the grains.
Organization
/:
/ This lesson must be organized as a practical exercise.Process
/:
/The trainer must be able to:
1.Give a brief discussion on the importance of determining the percentage of cracked grains as a measure to see the ‘quality’ of paddy rice.
/[2 min.]
2.Discuss the characteristics of cracked grains.
/[2 min.]
3.Conduct an exercise where participants will sort and measure the percentage of cracked grains from the sample of paddy rice.
/[10 min.]
Evaluation
/:
/The trainer will observe the participants during the exercise, and ensure that each participant correctly identifies and weighs the cracked grains.
Course
/ : / Grain QualityModule 3
/:
/Determining the Physical Characteristics of Paddy Rice
Lesson 6
/:
/ How do immature grains reduce the ‘quality’ of paddy rice?Methodology
/:
/This lesson will provide details in measuring the percentage of immature grains and how they affect the ‘quality’ characteristics of paddy rice.
Outcome
/:
/At the end of this lesson, each participant will be able to identify and measure the percentage of immature grains in samples of paddy rice.
Materials
/:
/Participants are required to bring a randomly selected sample of a 100 g paddy rice. They will also use a scale to measure the sample of paddy rice, as well simple plastic containers or small paper bags to hold the grains.
Organization
/:
/ This lesson must be organized as a practical exercise.Process
/:
/The trainer must be able to:
1.Give a brief discussion on the importance of determining the percentage of immature grains as a measure to see the ‘quality’ of paddy rice.
/[2 min.]
2.Discuss the characteristics of immature grains.
/[2 min.]
3.Conduct an exercise where participants will sort and measure the percentage of immature grains from the sample of paddy rice.
/[10 min.]
Evaluation
/:
/The trainer will observe the participants during the exercise, and ensure that each participant correctly identifies and weighs the immature grains.
Course
/ : / Grain QualityModule 3
/:
/Determining the Physical Characteristics of Paddy Rice
Lesson 7
/:
/ What causes grain discoloration and how is this measured to determine paddy rice ‘quality’?Methodology
/:
/This lesson will provide details in measuring the percentage of discolored grains and how they affect the ‘quality’ of paddy rice.
Outcome
/:
/At the end of this lesson, each participant will be able to identify and measure the percentage of discolored grains in samples of paddy rice.
Materials
/:
/Participants are required to bring a randomly selected sample of a 100 g paddy rice. They will also use a scale to measure the sample of paddy rice, as well simple plastic containers or small paper bags to hold the grains.
Organization
/:
/ This lesson must be organized as a practical exercise.Process
/:
/The trainer must be able to:
1.Give a brief discussion on the importance of determining the percentage of discolored grains as a measure to see the quality of paddy rice.
/[2 min.]
2.Discuss the characteristics of discolored grains.
/[2 min.]
3.Conduct an exercise where participants will sort and measure the percentage of discolored grains from the sample of paddy rice.
/[10 min.]
Evaluation
/:
/The trainer will observe the participants during the exercise, and ensure that each participant correctly identifies and weighs the discolored grains.
Course
/ : / Grain QualityModule 3
/:
/Determining the Physical Characteristics of Paddy Rice
Review
Methodology
/:
/This test will determine what the participants have learned in the theoretical aspect of the ‘quality’ characteristics of paddy rice.
Outcome
/:
/The participants must be able to answer all questions in the exercises correctly.
Materials
/:
Organization
/:
/ This test is an individual activity.Process
/:
/The trainer must be able to direct the participants to answer the questions
[10 min.] and then discuss the answers with the group
Evaluation
/:
/The trainer will go through each question on the board and discuss the correct answers.