The fertilizer use effeciency in dryland crop production can be improved by : (a) Fertilizer application based on soil test and soil reaction (b) Placement of fertilizer about 5 cm away or below the seed zone. (c) Basal application of P and K fertilizer and N application in two splits.

• A. (a), (b)
• B. (b), (c)
• C. (a), (c)
• D. (a), (b), (c)