Question: Why Is Black Soil Good For Cotton?

Why is black soil black?

Black soil is the fertile soil present in India.

It is abundantly found in Haryana, Maharashtra and Uttar Pradesh.

The black colour of the soil is due to the presence of iron, aluminium and humus.

This type of soil is most suitable for the cultivation of grains, vegetables and cotton..

What are the disadvantages of black soil?

Kharif in dependable rainfall areas (750mm-1250mm/yr) means considerable loss of water through runoff, considerable loss of nutrients, considerable soil erosion and loss of one crop. Black soil have low fertility and are poor in organic matter, nitrogen, available phosphorous and zinc.

Why is black soil called Regur?

Black soil is also known as regur soil. It is essentially found in the lava covered areas of Maharasthra, Karnataka etc. The word regur originates from the latin word regurgitare which means to overflow. … A rich soil in nature consisting of a mixture of sand, clay and organic materials.

What is the importance of black soil?

Black soils constitute the food basket for many countries and for the world in general and are often recognized as inherently productive and fertile soils. They are extensively and intensively farmed, and increasingly dedicated to cereal production, pasture, range and forage systems.

What grows in black cotton soil?

Some of the major crops grown on the black soils are cotton, wheat, jowar, linseed, Virginia tobacco, castor, sunflower and millets. Rice and sugarcane are equally important where irrigation facilities are available. Large varieties of vegetables and fruits are also successfully grown on the black soils.

Which soil nutrient is lacking in black soil?

Chemically, the black soils are rich in lime, iron, magnesia and alumina. They also contain potash. But they lack in phosphorous, nitrogen and organic matter. The colour of the soil ranges from deep black to grey.

Why is black soil considered a protective soil?

Deep black soil is productive due to high proportion of clay and humus. The organic matter present in the soil is contributed by the death and decay of living organisms. These are the richest in nutrients and therefore these soils are the most fertile.

Which crop is grown in black soil?

cotton cropThe soil is clayey in nature and rich in soil nutrients like calcium, carbonate, magnesium, potash and lime. It is mainly known as black cotton soil because this soil is most suitable for the cotton crop.

What is black soil?

Black soils are mineral soils which have a black surface horizon, enriched with organic carbon that is at least 25 cm deep. … A base saturation in the black surface horizons ≥50%.

Is black soil good for vegetables?

Black Earth is rich in nutrients. It improves poor and sandy soils, while enhancing water and nutrient retention. The mix contains black earth (hummus), compost manure and lime. Enrich with a good compost and use in your flowerbeds and vegetable garden.

What are the properties of black soil?

What are the characteristics of black soil?Clayey texture and are highly fertile.Rich in calcium carbonate, magnesium, potash, and lime but poor in nitrogen and phosphorous.Highly retentive of moisture, extremely compact and tenacious when wet.Contractible and develops deep wide cracks on drying.More items…

What is the other name of black soil?

black soils known locally as regur. After those the alluvial soil is the third most-common type.

What is the importance of soil explain any three features of black soil?

(i) It has a larger proportion of clay and hence can retain moisture for a long time. (ii) It develops deep cracks during summer which helps in aeration. (iii) These soils are sticky when wet and difficult to work on unless tilled immediately after the first shower or during the pre monsoon period.

Which soil is most suitable for cotton?

sandy loamCotton grows best in soil with a pH between 5.8 to 8.0. Yield decreases are usually not severe until the soil pH drops below 5.5 to 5.2 on sandy loam and silt loam soils respectively, or above 8.5 for western irrigated soils in the USA.

What are the properties of black cotton soil?

As such Black cotton soil (BC soil) has very low bearing capacity and high swelling and shrinkage characteristics. Due to its peculiar characteristics, it forms a very poor foundation material for road construction. Soaked laboratory CBR values of Black Cotton soils are generally found in the range of 2 to 4%.

Where is black soil found?

Black soils are derivatives of trap lava and are spread mostly across interior Gujarat, Maharashtra, Karnataka, and Madhya Pradesh on the Deccan lava plateau and the Malwa Plateau, where there is both moderate rainfall and underlying basaltic rock.

Can onions grow in black cotton soil?

Kieni is considerably hot and dry and has black cotton soil, conditions which favour tolerant crops such as onions. In fact most farmers in the area grow onions. … I planted 25 kilos of the onions and harvested 800 kilos.

Is black soil fertile?

The black soils are also called as regur are fertile because they are highly moisture retentive, more clay content,which responds well to irrigation. The black soils are argillaceous contains many essential nutrients along with some content of humus as well.