Humic acid is soluble in______________________?

Related Mcqs:

Which compound is mostly used in Pakistan for the reclamation of saline-sodic & sodic soils_________________?

A. Apatite B. Calcite C. Dolomite D. Gypsum...

Elements essentially required for growth of all plants species are___________________?

A. 32 B. 15 C. 16 D. 3...

Structure and size of aphantic rock is________________?

A. Course-grained like B. Fine grained C. Large-Glassy D. Phenocryst...

A soil with an ESP greater than 15 is usually classified as___________________?

A. Sodic soil B. Saline soil C. Acidic soil D. None of the above...

Soil structure without aggregation is known as____________________?

A. Platy B. Granular C. Massive D. Both b & c...