Knowledge Checkpoint 3

Using high-quality seeds of a recommended variety ensures __% yield increase.

• 15

• 10

• 20

• 12

When is the right time to harvest?

• when leaves turn yellow

• when 80-85% of grains are golden yellow

• when 95-100% of grains are golden yellow

• when 85-90% of grains are golden yellow

What is the importance of controlling irrigation during tillering?

• to facilitate continuous decomposition of rice straw

• to produce heavier grains

• to promote tillering and root development

• all of the above

It is the condition or state of the grain where there is no exchange of moisture between the grain and its surrounding air

• Relative Humidity

• Ambient Temperature

• EMC

• None of the above

___________is the inability of intact viable seeds to complete germination under favorable environmental conditions (Pagtulog ng buto)

How many % yield reduction if field is not well- levelled?

• 10

• 5

• 15

• 20

How many days do we need to rest the field before the next cropping season?

• 45

• 60

• 30

• 25

Recommended seedling age for manual transplanting

• 12-15 days

• 18-21 days

• 21-25 days

• none

Recommended seedling age for mechanical transplanter

• 12-15 days

• 18-21 days

• 12-16 days

• none

Re-plant missing hills within ___ days after transplanting.

• 8

• 10

• 30

• 7