Seed Germination and Seedling Raising

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What is the process by which a seed begins to sprout and grow into a new plant?

Fertilization

Germination (correct)

Transplanting

Puddling

What is the purpose of puddling in rice cultivation?

To make the soil harder

To create a dry environment in the soil

To make the soil uneven

To create a water-saturated environment in the soil (correct)

How long does it take for seedlings to grow in a nursery period?

40 to 45 days

15 to 20 days

20 to 25 days (correct)

30 to 35 days

What is one of the effects of puddling on nutrient management in rice cultivation?

It ensures essential nutrients remain available Signup and view all the answers

How does puddling help in weed control?

By physically disrupting weed seed germination and growth Signup and view all the answers

What is the term for the process of making seedlings for transplanting cultivation using a rice transplanter?

Raising of seedlings Signup and view all the answers

What is the temperature range for germination of rice seeds?

30-32°C Signup and view all the answers

What is the role of puddling in reducing methane emissions from rice paddies?

It limits the availability of oxygen in the soil Signup and view all the answers

What is the purpose of covering the seedlings with a heat-retention material in a nursery chamber or in a vinyl house?

To let them germinate Signup and view all the answers

How does puddling contribute to the improvement of soil structure?

By breaking down large soil aggregates and promoting the formation of smaller, more uniform aggregates Signup and view all the answers

What is the recommended inter-row spacing when using a rice trans planter?

30 cm Signup and view all the answers

Why is inter-row spacing important in rice cultivation?

To facilitate access to sunlight, air circulation, and water Signup and view all the answers

Seed Germination and Seedling Raising

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Questions and Answers

What is the process by which a seed begins to sprout and grow into a new plant?

What is the purpose of puddling in rice cultivation?

How long does it take for seedlings to grow in a nursery period?

What is one of the effects of puddling on nutrient management in rice cultivation?

How does puddling help in weed control?

What is the term for the process of making seedlings for transplanting cultivation using a rice transplanter?

What is the temperature range for germination of rice seeds?

What is the role of puddling in reducing methane emissions from rice paddies?

What is the purpose of covering the seedlings with a heat-retention material in a nursery chamber or in a vinyl house?

How does puddling contribute to the improvement of soil structure?

What is the recommended inter-row spacing when using a rice trans planter?

Why is inter-row spacing important in rice cultivation?

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