About Lesson
Soil solarization and sterilization
a) Soil solarization:
- 4-6 weeks solarization
b) Soil sterilization:
- At 50 0C, nematode are killed.
- 60-72 0C ,bacteria are killed.
- 820C, bacteria and insect are killed.
- Weeds, viruses (TMV), 95-100 0
- Grassy shoot and red rot of sugarcane : 50 0C for 30 min.
- Loose smut of wheat : 52 0C for 10 min.