Q.1
What is the desirable thickness of plastic mulches for use in horticultural crops?
- Plastic Mulching Specifications in Horticulture:
- For annual horticultural crops (vegetables like tomato, chilli, capsicum, melons, and strawberries), the standard desirable film thickness is $20 - 25\text{ microns}$ (range $10 - 25\text{ microns}$ / 100 gauge).
- This gauge ensures an optimal compromise between mechanical tear resistance, soil moisture conservation, weed suppression, and cost-effectiveness.
- Thicker films ($50 - 100\text{ microns}$) are reserved for perennial orchard mulching or solarization.
- Correct Option: Option 3 (10-25 micron).
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