मराठी

Visit a weed infested field in the month of July or August and make a list of weeds, insect pests and diseases noticed in crops of the field.

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प्रश्न

Visit a weed infested field in the month of July or August and make a list of weeds, insect pests and diseases noticed in crops of the field.

कृती
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उत्तर

A sample observation for a Kharif crop field is given below. The species present will vary with the crop and location, so record what you actually see during your visit.

Category Examples noticed
Weeds Amaranthus, Chenopodium, wild sorghum and grasses
Insect pests Grasshoppers, caterpillars, aphids, leafhoppers and stem borers
Diseases Rice blast or bacterial blight in rice; stem rot in pigeon pea

Do not handle diseased plants or insects. Ask a farmer or teacher to help identify any unfamiliar specimens.

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पाठ 3: Improvements In Food Resources - Intext Questions [पृष्ठ १२६]

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पी एस वर्मा आणि व्ही के अग्रवाल Biology Part 3 [English] Class 9
पाठ 3 Improvements In Food Resources
Intext Questions | Q 2. | पृष्ठ १२६
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