Classification of weeds on the basis of reproduction was given by

Capillary and non capillary pores must be in _______ proportion for good crop production:

Flame cultivation is used in which of the following crops

The carburetor of an internal combustion engine is used to mix fuel with-

Which is not a trait that should be incorporated in a crop plant?

When a prolonged drought results in drying of available water sources like streams, tanks, reservoirs, wells etc., it is called as

Best time for sowing deep water rice is

The line on weather map which joins the places having equal wind speed is known as:

In plant tissue culture, haploid plantlets can be obtained from

“Triple response”, a key reaction of ethylene, is characterized by:

Agro-climatic regional planning was initiated in India with the inception of