How Does Agricultural Input Cost Affect Cost of Cultivation and Farm Profit? Agricultural input cost is one of the biggest factors that decides whether farming becomes profitable or stressful. A farmer may work hard, select the right crop, and get a good harvest, but if the cost of seeds, fertilizers, pesticides, labour, irrigation, diesel, and machinery rises too much, the final profit can shrink quickly. In farming, profit is not decided only on the day of harvest. It is de