Distinguish between the following

VII. Distinguish between the following

1. Rabi and Kharif crop seasons.

Rabi crop season

• The season is from October to March

• Wheat, Gram, Rapeseeds, Mustard and Barley are cultivated in Northern states

• Rice, Maize, Ragi, Jowar and Groundnut are cultivated in Southern States

Kharif crop season

• The season is from June to September

• Rice, Cotton, Bajra, Maize, Jowar and Tur are cultivated in Northern States

• Rice, Ragi, Maize, Jower and Groundnut are cultivated in Southern States

2. Inundational canal and perennial canal.

Inundational Canals

• In this type water is taken out directly from the river without making any kind of barrage or dam.

• These canals are useful for the diversion of flood water from the river.

• They are operational only during rainy season.

Perennial Canals

• Perennial canals are developed from perennial rivers by constructing barrages or dans to regulate the flow of water

• These canals are useful for irrigation.

• Operational throughout the year.

3. Marine fishing and Inland fishing.

Marine Fishing

• It includes coastal, off-shore and deep sea fishing, mainly on the continental, shelves.

• Fishing is done is saline water.

• In India Kerala leads in marine fishing

Inland Fishing

• It includes fishing in rivers, canals, reservoirs, ponds, tanks etc.

• Fishing is done in fresh water.

• In India Andhra Pradesh leads in inland fishing

4. Alluvial soils and Black soils.

Alluvial soils

• Alluvial soil is formed from sediments deposited by streams and rivers.

• Alluvial soil is rich in potash, phosphoric acid, lime and carbon compounds.

• It is poor in Nitrogen.

• It is found in the northern river valleys and plains.

• Crops like rice, wheat, sugarcane and oilseeds are grown.

Black soils

• Black soil is derived from basalts of Deccan trap.

• It is rich in potash, lime, aluminium and manganese

• It is poor in Nitrogen, Phosphoric acid and humus.

• It is found in Deccan plateau, Malwa plateau and Kathiawar peninsula.

• Crops like cotton, millets, tobacco and sugarcane are grown.