Optimum carbondioxide for high crop yield is
A
1000-2000 ppm
B
2000-3000 ppm
C
3000-4000 ppm
D
4000-5000 ppm
Answers
Answered by
3
Answer:
For most crops the saturation point will be reached at about 1,000–1,300 ppm under ideal circumstances. A lower level (800–1,000 ppm) is recommended for raising seedlings (tomatoes, cucumbers and peppers) as well as for lettuce production.
Answered by
2
Answer:
1000 to 1300ppm .................................
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