Rice Cultivation Work

Question 1

What are the four diseases attached to the rice seeds?

Answer 1

White tip nematode
Bakanae disease
Rice bacterial grain rot; and
Blight

Question 2

Soak rice seeds in water for roughly ______days to let the seeds absorb s enough water.

A. 5
B. 10
C. 15
D. 20

Answer 2

B

Question 3

The water temperature for soaking rice seeds is _____ to ____°C.

Answer 3

10 to 15

Question 4

For hastening of germination, warm up to ____ to ____°C so they sprout on the day before sowing.

Answer 4

30 to 32

Question 5

The seedlings that grow from 20 to 25 days are called ______.

Answer 5

Young seedlings

Question 6

The seedlings that grow from 30 to 35 days are called ______.

Answer 6

Middle seedlings

Question 7

With a rice transplanter, the interrow space (or the furrow) should be _____ cm.

Answer 7

30 cm

Question 8

With a rice transplanter, the intrarow spacing is adjusted and it is usually set at____ to ____ cm.

Answer 8

10 to 30cm

Question 9

True or False:

After transplanting, introduce water to protect the seedlings.

Answer 9

True

Question 10

True or False:

Spray herbicide before transplanting.

Answer 10

FALSE!!! (Spray herbicide AFTER transplanting.)

Question 11

True or False

The panicles differentiate when vegetative growth turns into reproductive growth.

Answer 11

True

Question 12

The period when the panicles can be differentiate is called the ____________.

Answer 12

young panicles formation stage

Question 13

The panicles develop in roughly _______ days aftet differentiation of the the young panicles. This is called _________.

Answer 13

30;heading

Question 14

Harvest time will be _______ to _______ days after heading.

Answer 14

30 to 60

Question 15

The moisture content of unhulled rice immediately after harvest is as high as ____ to _____%.

Answer 15

20 to 27%

Question 16

Unhulled rice must reduce moisture to ____ to _______%.

Answer 16

14 to 15%