Boron concentration is irrigation water is considered safe only upto_________________?

Related Mcqs:

Which rock contain potash feldspar ?

A. Syeruite B. Gabbro C. Norile D. All the above...

The nutrient particularly influencing root growth is___________________?

A. Zinc B. Nitrogen C. Organic D. Phosphorus...

Which mineral contain phosphorus__________________?

A. Igneous B. Metamorphic C. Apatite D. None of the above...

Na and k can be determined by the use of____________________?

A. Hydrometer B. Flame photometer C. Spectrophotometer D. All the above...

Rocks formed from molten magma are called__________________?

A. Sedimentary rocks B. Igneous rocks C. Alluvial rocks D. All the above...