class8 question answer ch1

Kharif crop

Crops that are sown in the monsoon season and harvested in the autumn.

Rabi crop

Crops that are sown in the winter and harvested in the spring.

Chemical fertilizers

Inorganic substances that are manufactured in factories to provide nutrients to plants.

Organic manure

Natural substances composed of decomposed organic matter like animal excreta and plant waste.

Weeding

The process of removing unwanted plants that grow alongside crops.

Irrigation

The process of supplying water to crops at regular intervals.

Preparation of soil

The initial step of tilling and loosening the soil to facilitate crop growth.

Sowing

The act of planting seeds into the soil.

Threshing

The process of separating grain seeds from the chaff.

Nutrients

Substances that provide nourishment essential for the growth of plants.