What do you mean by crop production & management ?

Crop production and management refers to the growing of crops and providing all the nutrients to the crop plant that are needed and also properly storing them. there are many activities in crop production and management. like

preparation of soil (ploughing, levelling and manuring)

sowing of seeds 

addition of manure and fertilizers

irrigation

protection of crop from weeds and pests

harvesting, threshing and winnowing

storage of grains.