Agronomy

Agronomy
2,4-d is synthetic herbicide derived from_______?
Valine
Amino acid
Auxins
Cytokmins
Author: rikazzz Comment
Agronomy
The oxygen concentration in the air is _______?
16%
21%
30%
45%
Author: rikazzz Comment
Agronomy
EC of saline soil is equal to or greater than _______?
3
2
4
none of these
Author: rikazzz Comment
Agronomy
Seed bag labeled with white colour indicates _______?
Pre-basic seed
Basic seed
Certified seed
Pure seed
Author: rikazzz Comment
Agronomy
Vigor index of seedings in rice can be determined on _______?
Qualitative basis
Quantitative basis
Both A and B
None of these
Author: rikazzz Comment
Agronomy
Insects belong to class _______?
Pauropoda
Symphyla
Crustacea
Hexapoda
Author: rikazzz Comment
Agronomy
Fast acting pheromones and called _______?
Releasers
Semiochemicals
Primers
Allelochemicals
Author: rikazzz Comment
Agronomy
Mesophytes are grown in _______?
Desert area
Moist places
Dry condition
None of these
Author: rikazzz Comment
Agronomy
Seed dormancy of nee seeds can be successfully broken by heat treatment at _______?
50°c for 3-7 days
54°c for 2-6 days
45°c for 3-8 days
None of these
Author: rikazzz Comment
Agronomy
Raising of only one crop in a year, when there is seasonal supply of water is called?
Monocropping
Specialized farming
Monoculture
Intensive cropping
Author: rikazzz Comment

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