(a) Mention two sources of irrigation water [2marks]

(b)Enumeratoin two advantages and two disadvanteges of irrigating farmlands [4marks]

(c)List two ways by which the soil loses nutrients. [2marks]

(d)Give two reasons for manuring in crop production [2marks]

(e)State two ways by which each of the following envrionmental factors affect agricultural production: (i) temperature: (ii) soil micro-organisms; (iii) wind. [6marks]