crop reproduction

Flashcards for Class 8th Biology Lecture on Crop Production and Management

Irrigation

The supply of water to crops at different intervals of time.

Sources of Irrigation

Wells, Tubewells, Ponds, Lakes, Rivers, Dams, Canals.

Traditional Irrigation Methods

Moat (pulley-system), Chain pump, Dhekli, Rahat (lever system).

Modern Irrigation Methods

Sprinkler system, Drip system.

Sprinkler System

Uses a pressurized pipe network to deliver water to rotating nozzles that spray water into the air.

Drip Irrigation

Involves the slow release of water directly to the roots of plants through a network of pipes.

Weeds

All the undesirable plants other than the main crop.

Weeding

The removal of weeds.

Methods of Weeding

Manual Removal, Weedicides (Chemical).

Harvesting

The cutting of crop after maturity.

Produce

The harvested crop representing crop yield.

Sickle

A tool used for manual harvesting.

Harvester

A machine used for harvesting crops.

Threshing

The process of separating grain seeds from the chaff (husk and straw).

Combine

A combined harvester and thresher.

Winnowing

Separation of grain and chaff by using wind.