Manure is organic matter used to enrich the soil with nutrients and also improves the physical structure of soil. Following are given some statements regarding the composition or effects of using manure. Find out the correct sentence about manure. i. Manure contains large quantities of organic matter and small quantities of nutrient. ii. It increases the water holding capacity of sandy soi. iii. It helps in draining out the excess of water from clayey soi. iv. Its excessive use pollutes the environment because it is made of animal excretory waste