Civil Engineering - Irrigation - Discussion

Discussion Forum : Irrigation - Section 1 (Q.No. 37)
37.
The depth of rice root zone, is
50 cm
60 cm
70 cm
80 cm
90 cm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
17 comments Page 1 of 2.

AKASH said:   8 years ago
Rice ------->90-250.
Wheat ------->45-65.
Maize -------> 50-80.
Sugarcane ------->150-250.
Tomato ------->60-80.
Potato -------> 50-70.
Onion ------->35-55.
(1)

Pravat Kumar Samal said:   8 years ago
Average root zone depth of rice is 15cm or 6 inch.

Please tell the source of information from where to get the root zone depth of different crops?

Sowmitra Das Shuvro said:   6 years ago
Delta means the depth of water required during the growing period. Delta is 12 cm. It doesn't mean that root zone depth is 120 cm.
(1)

Sumit said:   9 years ago
@Rosh and @Ajay.

Root zone for rice is 90cm.
120cm is Avg delta for rice crop.

Rahul yadav said:   5 years ago
90 Is the correct answer. I agree with the given option.

Rahul langpoklakpam said:   5 years ago
Root zone depth is 90cm and delta is 120cm for rice.
(2)

Arun sharma said:   4 years ago
Right, Thanks everyone for explaining this.

Ajay said:   9 years ago
Yes, 120 is correct. 90 is for sugar cane.

Rosh said:   9 years ago
Root zone depth for rice is around 120 cm.

Shoukat Ali Rahu said:   7 years ago
Rice root system depth is 20 to 25 cm.


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