The semi dwarf wheat which was instrumental in increasing
wheat production was developed by
Alexander von Humboldt
Paul Ehrlich
Dr. Kurien
Edward Jenner
Edward Jenner
Which of the following plants are used as green manure in crop fields and in sandy soils?
Saccharum munja and Lantana camara
Dichanthium annulatum and Azolla nilotica
Crotalaria juncea and Alhagi camelorum
Calotropis procera and Phyllanthus niruri
Select the wrongly matched pair
Fibre - Sunhemp
Spice - Belladonna
Edible oil - Groundnut
Fodder - Trifolium
Fodder - Trifolium
the deficiency of nitrogen
a bacterium
a fungus
a virus