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.Management Sciences
A. Are useful during early stage of the plant growth
B. Stimulate early growth and accelerate seeding
C. Help in development of starches of potatoes and grain
D. None of these
Related Mcqs:
- Raw materials for nitric acid manufacture are___________________?
- A. Hydrogen peroxide, air and water B. Anhydrous ammonia and air C. Anhydrous ammonia, air and water D. Wet ammonia, air and water...
- Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of ____________ this is normally not done?
- A. Increased biuret formation B. High corrosion rate C. Increased cost of equipment D. All A., B. & C....
- Dehydration of ammonium carbamate produces__________________?
- A. Urea B. Biuret C. Ammonia water D. None of these...
- Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the__________________?
- A. Osmotic pressure of the soil water becomes less than that of the plant sap B. Soil becomes too alkaline C. Osmotic pressure of the soil water becomes higher than that of the plant sap D. Soil becomes too acidic...
- Vetrocoke solution is_________________?
- A. A mixture of K2CO3 and As2O3 B. K2SO4 C. A mixture of Na2CO3 and As2O3 D. Na2SO4...
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