Question

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What is the reason for the marginal leaf drying in rice?
Due to the deficiency of potassium nutrient, the entire leaf margin is drying

2. Why the rice leaf color turns to yellowing?
If yellowing is occurring in old leaves, it is due to nitrogen deficiency. If it is young leaves, that may be due to iron deficiency

3. Give the symptoms of nitrogen deficiency in crops?

Chlorosis (yellowing of leaves)
Stunted growth/ poor plant growth
Poor tillering / branching
4. How to identify phosphorus deficiency?

Poor root growth
Pinkish pigmentation occurs on old leaves as well as the base of the shoot
Stunted growth
5. What is mean by ‘Tea Yellowing’?

Yellowing of leaves in Tea is due to sulfur deficiency.

6. Give the typical examples of iron Chlorosis present in plants

sugarcane
sorghum
7. What is mean by ‘khaira’?

It is the deficiency symptoms of zinc which occurs in rice plant.​

Answer 1

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