The pest which damages the crop and causes a loss in quality or quantity which can be calculated such pest is called________?

Organic matter decomposes rapidly in Pakistani soils because of ________ conditions, that is why our soils generally have < 1% organic matter:

An individual with two identical members of a part of geneue factors is called________?

________assumes economic rationality and purely materialistic, individualistic, self interested orientation towards economic decision making?

What type of pollination is observed in cucumber________?

An open cut in the canal bank. with bed and sides to escape canal water through a lead channel to mix water in a nearby drain is called ________?