Crop production and management

Watering the crops is called :-

• Sowing

• Manuring

• Tilling

• Irrigation

Weeds are the:

• main crop plants

• insects and pests

• unwanted plants growing along the crop

• chemical substances

Combines are used for:

• sowing of seeds

• harvesting the crops

• threshing

• harvesting and threshing both.

Wheat and gram belong to

• rabi crop

• kharif crop

• both of them

• none of these

2-4D is a

• Pesticides

• Insecticides

• Fungicides

• Weedicides.

The process of loosening of the soil is called

• tilling

• harvesting

• spraying

• weeding

Rhizobium bacteria fix atmospheric

• oxygen

• nitrogen

• sulphur

• carbon dioxide

The practice of growing two or more dissimilar crops in the same field one after another is

• crop rotation

• tilling

• plantation

• weeding

The chemical substances rich in nutrients are called

• fertilisers

• weedicides

• pesticides

• herbicides

Compost is basically a

• manure

• fertiliser

• pesticide

• weedicide