The ration usually fed to non-productive animal like old layers, dry or non-lactating animals is called
What is the name of the organ directly responsible for the respiration of the young of farm animals before birth?
The sand, silt, and clayey particles of the soil are cemented together in the soil to form natural units of compound
aggregates separated by pores. This process is called
The first operation in establishing a fish pond is
The branch of crop science which deals with the study of insect pest is ?
