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Distribution of problem soils in India cropped to rice

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While the diversity in agro ecological environment in the country provide opportunities for growing  numerous commercially viable cropping and farming systems towards a robust agriculture, efficient and sustainable management of natural resources especially soil and water for enhanced soil productivity is vital for over all economy of the country.  Although soil productivity depends largely on a number of its diverse physico - chemical and biological characteristics, the ultimate output is governed by the precise agronomic operations, matching production systems with land capability, efficient management of external inputs like seed, water, nutrient etc., and maintaining a synergy between conservation and exploitation of resources such as soil and water.


Table : Distribution of problem soils in India cropped to rice

Soils

Area(M.ha)

States

Sodic

2.5-3.0

Uttar Pradesh, Punjab, Haryana, Andhra Pradesh, Bihar, Maharashtra, Karnataka, Tamil Nadu

Inland Saline

2.4

Uttar Pradesh, Haryana, Punjab, Rajasthan,

Potential

(15.0)

Maharashtra, Gujarat, Karnataka, Andhra Pradesh,

Coastal saline

2.5-3.0

West Bengal, Orissa, Andhra Pradesh,  Tamil Nadu, Kerala, Karnataka, Maharashtra

Acid soils

49.0
(15.0)

North East Hills, West Bengal, Orissa, North Coastal Andhra Pradesh, Kerala, Karnataka, Goa, Bihar

Acid saline

0.5-1.0

Kerala, West Bengal

Nutrient problems

Deficiency

N,P,Zn,Fe,S,K,Ca,Mn

Toxicity

Fe,H2S,Al, As,Se

 

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