12 Questions
What is the purpose of introducing water after transplanting?
To protect the seedlings
At which BBCH growth stage does the first tiller typically emerge?
BBCH 15
What is the purpose of spraying herbicides in rice cultivation?
To control weeds
What is the characteristic symptom of rice plants infested with rice stem borers?
Dead hearts or whiteheads
When should midsummer drainage or addition of water be done?
After emergence of new roots and leaves
Why is pest control crucial in rice cultivation?
To maintain high yields and quality while minimizing economic losses
What is the result of severe infestations of rice leaf folders?
Defoliation and reduced photosynthetic capacity
What is the characteristic feeding damage caused by adult rice hispa beetles?
Window-pane feeding damage
What is the purpose of applying additional nitrogen and potassium 15 to 25 days before heading?
To increase the differentiation of the glumose flowers
What is the term for the reproductive structures of grasses, including rice plants?
Panicle
What is the period when the panicles differentiate called?
Young panicle formation stage
What is the machine used for harvesting in most areas?
Combine harvester
Learn about the key stages of rice plant growth, from transplanting to tillering, and how to manage water levels for optimal development. Understand the importance of beginning irrigation, midsummer drainage, and the emergence of new stems. Test your knowledge of rice cultivation techniques!
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