Question

A farmer added manure to his crop field and sowed the seeds. But he could not produce a satisfactory
yield. What had he missed?​

Answer 1

Answer:

including manure he had to add some amount of fertilizers..., pesticides...

Answer 2

Answer:

The farmer missed to irrigate the field. Irrigation is one of the important factor which produce a satisfactory yield. To produce high yields he had to add chemical fertilizers and pesticides to the field.