4. Name the agents of seed dispersal.
Long Answer Type:
5. Why is dispersal of seeds necessary?
6. What are the differences between Kharif and Rabi crops?
Describe the various methods of seed dispersal.
Write few points of obtaining a good and healthy crops.
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How do farmers select healthy seeds from the damaged ones?
We all know, banana does not have seeds. How do they reprodu
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Answers
Answer:
4.
Explanation:
Animals.. Xanthium....
Answer:
4.There are five main modes of seed dispersal: gravity, wind, ballistic, water, and by animals. Some plants are serotinous and only disperse their seeds in response to an environmental stimulus.
5.Dispersal of seeds is very important for the survival of plant species. If plants grow too closely together, they have to compete for light, water and nutrients from the soil. Seed dispersal allows plants to spread out from a wide area and avoid competing with one another for the same resources.
6.The major difference is that the Rabi crops are grown in the winter season whereas the Kharif crops are grown in the monsoon season.
--various meathodes of seed dispersal
There are five main modes of seed dispersal: gravity, wind, ballistic, water, and by animals. Some plants are serotinous and only disperse their seeds in response to an environmental stimulus. Dispersal involves the letting go or detachment of a diaspore from the main parent plant.
--how farmer select the seed
Examining the ground can help the farmer to know the best seeds to be planted. Soil texture, compaction, cation conversion and organic content of the soil are the soil test that will enable the farmer to choose the best seeds.