Agricultural Practices - Preparation of Soil and Sowing

Arrange the following agricultural practices in the correct order. sowing, manuring, irrigation, harvesting, ploughing and levelling

The agricultural practice of breeding and raising of livestock is called

Name the hormone which is used extensively in agricultural and horticultural practices and help to initiate rooting in stem curring during plant propagation.

The chemicals released due to unsustainable agricultural practices and causing soil polluiton are