BIOS stands

The relationship between two organisms, where both of them benefit from each other is called:

ICBN (International Code of Botanical Nomenclature) is related to terminology of_?

The Green Manure crop that shows stem nodulation is 

Instrument used for measuring solar radiation is:

Parthenium hysterophorus (Congress grass) can be controlled by:

T he process of conversion of organic form to inorganic form (mineral form) of nutrient element is called __ ?

Bordeaux mixture was invented by

Barbara McClintok is associated with 

The 'equivalent basicity' of the fertilizer Sodium nitrate is:

What is the recommended fertilizer dose ratio for cereal crops?