Extraction of humic substance can be done by______________________?

Related Mcqs:

Which soil bolds more water ?

A. Sandy B. Stony C. Clayey D. Sitry...

pH of Pakistani soils is____________________?

A. 7.5 B. 12 C. 7 D. 14...

Physical condition of soil for plant growth is called___________________?

A. Granulation B. Tillage C. Tilth D. All the above...

C12H12N-NaO8S2 is the chemical formula of ____________________?

A. Activated charcoal B. Azomethine H C. Carbonated sodium sulphate D. None of the above...

Boron concentration is irrigation water is considered safe only upto_________________?

A. 0.7 ppm B. 1.5 ppm C. 2 ppm D. 3 ppm...