Dharam Raj Singh

Indian Agricultural Research Institute

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Girish Kumar Jha

Indian Agricultural Statistics Research Institute

P. Venkatesh

Indian Agricultural Research Institute

Manjeet Singh Nain

Indian Agricultural Research Institute

Suresh Kumar

Indian Agricultural Research Institute

Praveen Kumar

Indian Agricultural Research Institute

Shiv Kumar

Indian Council of Agricultural Research

Dinesh Kumar Sharma

Indian Agricultural Research Institute

Shenaz Rasheed

Indian Institute of Technology Bombay

Jaiprakash Bisen

Central Rice Research Institute

A. Suresh

AMET University

Cooperative Institutions

Indian Agricultural Research Institute

Indian Council of Agricultural Research

Indian Agricultural Statistics Research Institute

Institute of Agricultural Economics

Banaras Hindu University

Istituto Nazionale di Economia Agraria

Central Soil Salinity Research Institute

Indian Institute of Soil and Water Conservation

National Dairy Research Institute

Chaudhary Charan Singh Haryana Agricultural University

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Assessment of Spatial and Temporal Drought Severity: A Study in Transition Zone of Karnataka State in India

International Journal of Environment and Climate Change (2022)

Seedari Ujwala Rani Pramod Kumar Naveen P. Singh Dharam Raj Singh S. K. Srivastava

Rainfall data from 1979-2019 was analysed across the agro climatic zones in transition region of Karnataka. Rainfall Anomaly Index and Mean deviation methods are used to identify drought years and wet years over both spatial and temporal on time scale. The North Eastern Transition Zone can be considered as most vulnerable zone as it recorded for about 24 dry years values which indicates existence of persistence drought in this zone. The Northern Transition Zone is not vulnerable when compared to Northern Eastern Transition Zone as most of the drought year values are nearer to wet year values (RAI -0.3 to -1.2) which implies that this zone has moderate drought condition. The Southern transition zone has normal drought condition (RAI +0.3 to -0.3) which implies neither wet nor neither dry condition. But if proper conservations were not taken, this zone may come in the hit list of most vulnerable zone in near future which will harm the farming community.

Anomaly (physics)

Dry zone

10.9734/ijecc/2022/v12i730705

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Determinants of adoption of drip irrigation system in maharashtra

Subrata Gorain Dharam Raj Singh Gaurav Jha Suresh Kumar

Micro irrigation is a proven workable technology for efficient use of groundwater, recognizing this Government of India launched the Centrally Sponsored Scheme on Micro Irrigation in 2006. However, issues relating to its pattern of development and inclusiveness have not been fully investigated, therefore, this study aimed to assess spatial and temporal development of drip irrigation system, and adoption behavior of farmers in Maharashtra state. The results show that there is a notable growth in area under drip irrigation across the country, particular as a result of scheme on micro irrigation. It has been observed that the adoption of drip irrigation is not inclusive but favouring large farmers. Declining water table and allocation of sizable area under horticultural crops were identified as key factors determining adoption of drip irrigation system, and as the farmers’ preference to adopt as mitigating strategy in view of depleting groundwater resource. Therefore, there is a need to make efforts to achieve inclusiveness particularly by enhancing the rate of adoption of drip irrigation for small and marginal farmers to realize its potential benefits.

Low-flow irrigation systems

Irrigation statistics

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Social inequality in leadership pattern and structure

Dharam Raj Singh

Social Inequality

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A critical review on remediation technologies of textile effluents.

Poonam Singh Nee Nigam Thomas B. Robinson Dharam Raj Singh

Textile

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Inequality in Education

Dharam Raj Singh

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Risks and adaptation strategies in rainfed agriculture in India: An analysis

The Indian Journal of Agricultural Sciences (2018)

Praveen Kumar A. Suresh A Amarender A. Reddy Dharam Raj Singh

Farmers in the rainfed regions of India have to routinely deal with risks from biotic and abiotic sources, that varies with the region and crop cultivated. An assessment of the risk sources and adaptation strategies is attempted in this paper using a total of 500 farmers combinedly from Maharashtra and Telangana. Data collected using a questionnaire in Likert scale format was analysed using principal component factor analysis. With regard to the willingness to take risk by the farmers, just below half of the farmers were risk averse. Issues faced by the farmers with regard to inputs, private information sources, public information sources, irrigation, non-institutional credit sources, custom hiring services, and institutional credit sources were perceived as major risk sources. Strategies perceived by farmers as important to adapt to the risk situations were identified as the ones related to varietal management, community support, price stabilisation mechanism, government support, and self-insurance.

Risk Perception

Crop insurance

10.56093/ijas.v88i6.80654

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History of modern China and Japan (1840-1950)

Dharam Raj Singh

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Dynamics of rice production among the food crops of Tanzania

South African Journal of Science (2021)

Abel L. Mtembeji Dharam Raj Singh

Rice is an important crop in Tanzania which contributes significantly to the farmers, consumers, and the government. Recognising this importance, the government has made initiatives to attain rice self-sufficiency. These initiatives are crucial in contributing to regional self-sufficiency, enabling rice market leadership, and injecting productivity through significant improvements in the quality, quantity, and value of rice produced in Tanzania. We investigated the dynamics of rice area, production, and productivity and identified shifts in the land-use patterns in Tanzania. To analyse secondary data collected over a 33-year period from 1986/1987 to 2018/2019, we used compound annual growth rates, Cuddy-Della Valle Index and a first-order Markov chain approach. We found that the growth in the areas under rice cultivation, production and productivity were inconsistent as evidenced by the presence of instabilities. Rice remains the third most stable crop in the country in terms of area under production retention; however, this might decline in the next 2 years. Policies in future must enable strategies to increase productivity as well as promote high-yielding varieties, efficient input usage, and irrigation infrastructure development. Significance: We investigated the spatial and temporal trends in rice area, production, and productivity as well as identified shifts in the crop land-use patterns after a series of government interventions. To achieve sustainability, it is essential to revisit agricultural crop growth strategies regularly at macro- and micro-levels.

10.17159/sajs.2021/11020

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Trends and determinants of crop diversification in Uttar Pradesh

The Indian Journal of Agricultural Sciences (2018)

Sanjeev Kumar Shiv Kumar V P CHAHAL Dharam Raj Singh

The process of crop diversification towards high-value crops in Uttar Pradesh at regional as well as district level for the period 1990-91 to 2011-12 was examined. Simpson index of diversification and panel data regression analysis were used to analyze the trends and drivers of crop diversification. The results infer that state agriculture is moving from traditional crops to high value crops. This becomes the apt choice of policy makers for boosting agricultural growth. However, this shift is not found evenly distributed across the districts/regions. The irrigation, fertilizers and mechanization were found to be the major drivers of shift in the area towards high value crops and leads to less diversification. On the other hand, access to primary markets has positive impact on diversification. This necessitates the redesign and implementation of different strategies for crop diversification in these regions. The insight emanating from results emphasize not only to arrest the rising intra-regional disparities but also policy support in terms of better marketing infrastructure, easy and cheap access to agricultural credit for the development of irrigation facilities and farm mechanization, availability of fertilizers and appropriate technologies for increasing farm income and improving farmersâ€™ livelihoods.

Agricultural diversification

Uttar pradesh

10.56093/ijas.v88i11.84903

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Biological seed treatment for the control of loose smut of wheat

Indian Phytopathology (2001)

Dharam Raj Singh Vishwas Maheshwari

Smut

Seed treatment

Trichoderma viride

Trichoderma harzianum

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