(a) Define the term nursery as used in crop production[2marks]

(b) Give three reasons for establishing a nursery in crop production.[3marks]

(c) Mention three characteristics of weeds that make them difficult to control [3marks]

(d) List two methods of controlling weeds.[2marks]

(e)State three ways by which diseases are spread among crops [3marks]

(f) Mention three effects of diseases on crops [3marks]