Raghavendra Singh

Raghavendra Singh
Indian Institute of Pulses Research | IIPR · Crop Production

Doctor of Philosophy

About

169
Publications
128,374
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
1,254
Citations
Citations since 2016
126 Research Items
1151 Citations
2016201720182019202020212022050100150200250300
2016201720182019202020212022050100150200250300
2016201720182019202020212022050100150200250300
2016201720182019202020212022050100150200250300
Introduction
Dr. Raghavendra Singh is working as Principal Scientist (Agronomy) at ICAR-Indian Institute of Pulses Research. Designing of Integrated Organic Farming System models for hill ecosystems, organic crop production, sustainable diversification/intensification, climate change mitigation, and carbon sequestration. Farmers participatory research approach for enhancing income and sustainability of ecosystems.
Education
October 1996 - December 2000
Institute of Agricultural Sciences
Field of study
  • Agronomy

Publications

Publications (169)
Article
Full-text available
Globally, excess soil nutrient mining is a serious challenge to sustainable agricultural production. The task is more daunting in the semi-arid region of the globe. In addition to the primary nutrient deficiency over the mining of secondary nutrients, especially sulfur is an emerging challenge in contemporary crop production systems. Hence, there i...
Article
Full-text available
The inherent complexity of dominated rainfed hill agro-ecosystems (>80% of total crop acreage) in northeastern region (NER) of India mostly relies on indigenous farming techniques. Rice-based cropping system predominates in NER except for Sikkim, where maize-based cropping system is most popular. The traditional crop cultivation in NER comprises mo...
Article
Full-text available
Excess use of hazardous agrochemicals and inorganic fertilizers resulted negative impact on environmental outcomes and degraded soil function, biological diversity, and ecosystem services. A 15-year long-term (2004-05 to 2017-18) field experiment was conducted to improve the ecosystem services with soil quality restoration and stabilization of yiel...
Article
Full-text available
Environmental crises, land degradation, and frequent crop failure threaten the livelihoods of millions of the populace in the semi-arid agroecosystems. Therefore, different combinations of annual crops with fruit trees were assessed to restore the soil carbon, and enhance farm productivity and profitability in a semi-arid climate. The study hypothe...
Article
Full-text available
Food security and soil sustainability are the prime challenges to researchers and policy planners across the globe. The task is much more daunting in the fragile ecosystem of the Eastern Himalayan region of India. Soil disturbance from conventional tillage reduces soil productivity and is not sustainable and environmentally friendly. Conservation t...
Article
The conventional agricultural production systems are facing multiple challenges of yield plateauing, low farm profitability, energy intensiveness, unemployment, and environmental unsustainability. Hence, four production scenarios viz., integrated organic management, integrated crop management, conservation agriculture, and conventional system and t...
Article
Full-text available
Global food security, environmental preservation as well as farmer’s level increased livelihood should be the main goals of a sustainable farming system in today’s world plagued by degraded soils as a result of unsustainable crop management practices (Kumar et al., 2018). Under conservation agriculture (CA), a special attention has been given to cr...
Article
Globally agricultural production system generates a huge amount of solid waste. Improper agri-waste management causes environmental pollution which resulted in economic losses and human health-related problems. Hence, there is an urgent need to design and develop eco-friendly, cost-effective, and socially acceptable agri-waste management technologi...
Article
Soil carbon (C) loss is the prime sign of land degradation, and C pools have a great impact on soil quality and climate change mitigation. Hence, a field experiment was conducted for three consecutive years to assess the impact of crop intensification and conservation tillage practices on changes in the C pool at different soil depths of marginal l...
Article
Full-text available
Azolla is a free-floating fern that grows in temperate and tropical climates. As fern cavity dorsal leaves are specialised for storing atmospheric nitrogen (N), cyanobacteria fix the N in the atmosphere.
Article
Full-text available
Land degradation due to heavy erosion in steep slopes, soil acidity, faulty cultivation practices and poor nutrient management practices are the major challenges in the North Eastern Hill Region (NEHR) of India. Thus, there is an urgent need to adopt conservation effective farming practices to achieve food and nutritional security in one hand and s...
Technical Report
Full-text available
Sikkim has been facing the effect of climate change with rise in diurnal temperatures and changes in the rainfall pattern and also variation and/or decrease in the total annual rainfall. The winter rainfall has almost ceased in the State while the number of rainy days have also reduced. All these adversely affect the crop production and productivit...
Technical Report
Full-text available
Organic farming practiced in Sikkim is perhaps the most suitable option under the backdrop of low use of external inputs by the farmers of Sikkim. All the technological options for sustainable organic farming vis-à-vis crop varieties, crop nutrition, crop protection and efficient utilization of scarce water during the Rabi season are available with...
Technical Report
Full-text available
The ICAR Research Complex for NEH Region, Sikkim Centre (ICAR-National Organic Farming Research Institute), Tadong, Gangtok worked on the development of a gamut of technologies for the mitigation of climate change, increasing the cropping intensity and the improvement of livelihood of farmers in Sikkim which was demonstrated through the team of Kri...
Article
Full-text available
Sikkim's farming practices are predominantly valley/foothills and terraced slopes. Several crops are grown in the region depending on the farming style, eating patterns, and weather circumstances. Rice is the most common and staple food crop among cereals, accounting for 64.9 % of net planted area. The next most important crops are maize and tiny m...
Article
Full-text available
A field experiment was conducted at Research Farm of ICAR RC for NEH Region, Sikkim Centre, Tadong during 2019-20 and 2020-21. The treatments comprised of ten sesame cultivars viz., VRI-3, TMV-7, VRI-1, VRI-2, Prachi, Amrit, Swetha, DS-5, DS-9, GT-10 and laid out in randomized complete block design (RCBD) with three replications. The results showed...
Article
Full-text available
Weeds are a huge serious challenge in organic farming all over the world. Weeds create higher agricultural production losses (30-40%) than other agricultural pests around the world. Sikkim is India's first totally organic state. Weeds are cited by farmers as the most serious production issue they face, and entire crop losses from weeds can occur in...
Article
At presently farming of Sikkim is frontage several challenges for sustainability of natural resources, reduction of biodiversity, impact of climate change, declining factors productivity and profitability. In order to create new agricultural technology and methods for farming communities that are possibly viable to generate appropriate employment a...
Article
An experiment was conducted to evaluate the performance of ginger-based intercropping systems under organic management conditions in the mid-hills of Sikkim Himalayas during the kharif and rabi season of 2021-22. The experiment was laid out in a randomized block design with three replications.The experiment comprised seven ginger-based intercroppin...
Article
Indiscriminate use of chemical fertilizers in the agricultural production systems to keep pace with the food and nutritional demand of the galloping population had an adverse impact on ecosystem services and environmental quality. Hence, an alternative mechanism is to be developed to enhance farm production and environmental sustainability. A nanoh...
Article
Full-text available
The North Eastern Region (NER) of India has tremendous potential for promotion of organic farming. Despite inherent nutrient deficits and supplementing these to harness higher land, water and crop productivity, low use of synthetic fertilizers (< 12.0 kg/ha) and chemicals are common in the north eastern hill ecosystems. The existing exhaustive agri...
Article
Oxidative stress owing to the low receipt of rainfall brought about production of excessive reactive oxygen species which in turn disrupted the cellular turgidity and functioning. Thus an experiment was conducted at the Instructional-Cum-Research (ICR) Farm of Department of Crop Physiology, Assam Agricultural University Jorhat, Assam during rabi se...
Article
Full-text available
The North Eastern Region (NER) of India has tremendous potential for promotion of organic farming. Despite inherent nutrient deficits and supplementing these to harness higher land, water and crop productivity, low use of synthetic fertilizers (< 12.0 kg/ha) and chemicals are common in the north eastern hill ecosystems. The existing exhaustive agri...
Article
Full-text available
Twin strategies of productivity enhancement and sustainable intensification have led India's pulses production to an adequate/ stable and self-sustainable level, especially during the last half-a-decade. Tactical crop improvement programme resulting in development of short-duration and high-yielding varieties with efficient plant types, cultivation...
Article
Full-text available
Conservation agriculture (CA) mostly relies on the principles of minimal soil disturbances, permanent soil cover (using live vegetation or dead crop residues), crop diversification including crop rotation, intercropping, legume/ green-manure crop culture to boost agricultural productivity, livelihood improvement of farmers and restricting the proce...
Article
Amid the current environmental crises that exert enormous pressure on the arable lands, there is a need to adopt environment-friendly effective but highly productive conservation agriculture practices to feed the growing world population. Thus, a study was conducted to test the hypothesis that the inclusion of cowpea (Vigna unguiculata L. Walp) liv...
Article
Full-text available
Agriculture and ecosystem services are interconnected in different ways. Payments for ecological services (PES) and novel methods of agricultural management, including regenerative agriculture, organic farming, conservation agriculture and the management of biological diversity provide opportunities for augmenting ecosystem services in agroecosyste...
Chapter
The north eastern region (NER) of India (26.3 M ha geographical area) comprises seven hill states (Arunachal Pradesh, Manipur, Mizoram, Nagaland, Meghalaya, Sikkim, and Tripura) and parts of hilly region of Assam popularly referred as North Eastern Himalayan Region of India (18.37 M ha) and the pain and valleys of Assam (7.84 M ha). The hill and mo...
Article
Full-text available
Jeevamrut is a liquid organic manure which is an excellent source of natural carbon and biomass that contains macro and micro nutrients required by crops. In comparison to other forms of manures, Jeevamrut has proven to be more effective and can be used along with other manures.The product of organic liquid fertilizer is meant for the fermentation...
Article
Full-text available
Soil quality restoration and sustainable crop production in the rainfed ecosystem of the Indian Himalayas can be achieved through effective conservation tillage and organic management. Hence, a six-year (2013 to 2019) study was conducted to quantify the effect of tillage and organic nutrient management on soil properties, productivity, and profitab...
Article
Full-text available
Based on the findings of present investigation, it can be inferred that physico-chemical properties and microbial population in soil was also varied with land use whereas the physico-chemical properties and microbial population were generally improved in Kharif as compared to rabi. Plantation land use was the best land-use system followed by...
Article
Frontline demonstration on potato (Kufri Sindhuri) was conducted by Krishi Vigyan Kendra, East Sikkim, India. A total 158 nos. of demonstration were conducted in rice-fallow (farmers’ practice) at farmer’s field in nine numbers of villages during the year 2019-20. Results revealed that average yield of rice and potato recorded was 2.09 t/ha and 14....
Article
The Sustainable Development Goals (SDGs) through agriculture, especially in the rainfed ecosystem, can be achieved by effective conservation management practices. Therefore, the study was conducted to test the hypothesis that the inclusion of intensified leguminous live mulch systems can improve system productivity, carbon management index (CMI), a...
Book
Full-text available
This compendium is compilation of experiences, innovation and expectation shared by progressive farmers from north east India during FFCSWR-2017 held at Assam Agricultural University, Jorhat. Small scale water harvesting and integrated farming systems were most common interventions. The information is worthy enough to be emulated by other farmers o...
Chapter
Full-text available
Organic farming is holistic food production system, which promotes and enhances agro-ecosystem health including quality and healthy food. There are generally two types of organic farming depending on the purpose. One is aimed at increasing efficiency of the large scale production of crops and focuses on broader based market, which also includes for...
Chapter
Full-text available
Arunachal Pradesh is the largest biodiversity hotspot in the North Eastern India. Agriculture is practiced in only 2.65% of the total geographic area of the state but there is huge potential for expansion. The consumption of fertilizers and plant protection chemicals is the lowest in the region. Various cereal, pulse, oilseed, spices, fruit and veg...
Article
Full-text available
Three-year (2012–13, 2013–14 and 2014–15) fixed plot field experiment was conducted at Research Farm, ICAR Sikkim Centre, Tadong with five maize (Zea mays L.) – based crop sequences, viz. maize–fallow, maize–rajmash, maize–toria, maize–buckwheat and maize (green cob)–urdbean–buckwheat to identify the resource efficient cropping systems under resour...
Article
Globally, various estimates are available on the above-ground (plant parts) carbon (C) sequestering potential of agroforestry systems (AFSs). However, information on soil organic carbon (SOC) sequestration potential is limited for AFSs. Furthermore, the impacts of AFSs established for the restoration of C in degraded soils (prone to soil erosion, C...
Chapter
The Indian Himalayan Region (IHR) represents about 16.4% of the total area and 3.86% of the total population of India. The region supports extraordinary cultural, ethnic, and biological diversity. Vast variation in rainfall pattern was also noticed in the entire Indian Himalayan region. The Western Himalayan region had comparatively less rainfall t...
Book
The book is compilation to bring the organic production techniques of commonly grown spices in North East India which will be useful for growers, planners, policy makers and traders of spices in North East India since the international demand for organic spices will continue to increase manifold in the future.
Article
Full-text available
The sustainability of the prevailing maize-fallow system in rainfed ecosystems of the Eastern Himalayan region (EHR) India is often questioned due to poor economic return and negative impact on soil health. Hence, the six cropping systems, maize-fallow (M-F), maize+cowpea-rapeseed (M+C-Rs), maize+cowpea-buckwheat (M+C-Bw), maize+cowpea- barley (M+C...
Article
Land use management exerts a tenacious impact on soil organic carbon (SOC) dynamics; however, the impact varies with climate, soils, and management practices. Therefore, an in-depth understanding of changes in SOC pools and its fractions is necessary to reduce carbon (C) emissions and adopt efficient land use planning for sustainable soil managemen...
Article
Full-text available
NorthEastern Himalayan Region (NER) of the country is hotspot of biodiversity. The region is favourable for pulses cultivation. The soil and agro-climatic conditions provide the strong foundation for pulses production in the region. However, in spite of all the favourable conditions, the region has a deficit of almost 82% of its pulses requirement....
Article
Full-text available
Appropriate land configuration and assured nutrient supply are prerequisites for quality organic baby corn (Zea mays L.) production in high rainfall areas of the delicate Eastern Himalayan Region of India. A long term (5-year) study was conducted during 2012-2016 on a sandy loam soil in the mid attitude of Sikkim, Eastern Himalayan Region of India...
Article
The contribution of soil to supporting, regulating, provisioning and cultural functions as well as its role in the ecosystem services is well-known in the international literature. However, in the domain of organic agriculture, the impact of cropping systems shifts from cereal-cereal to high-frequency diversified cropping sequences with legume as a...
Article
Sustainability of conventional agricultural production systems is threatened by triple challenges of energy and environmental crises, deteriorating natural resources bases, and declining farm profitability. Current agricultural management practices (energy-intensive, inefficient external and natural input use, and crop biomass burning) are negative...
Book
Full-text available
Maize (Zea mays L) is one of the most important C4 cereals after rice. The crop has a wide scale adaptability to grow under diverse agro-ecosystems in shifting cultivation (jhum) lands of North East India. During early 2019, the sudden outbreak of fall armyworm Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) in different North East Indi...
Article
Achieving a circular economic model in agriculture and meeting the food requirement of the growing population is a global challenge. The task is much more daunting in the Eastern Himalaya where low productive maize–fallow is a predominant production system. To enhance system productivity and energy use efficiency while maintaining environmental sus...
Article
Full-text available
A field experiment was conducted during rabi season of 2016-2017 at the Students' Instructional Farm of Chandra Shekhar Azad University of Agriculture and Technology, Kanpur, Uttar Pradesh to assess the “impact of fertility levels and biofertilizers on root architecture, yield and nutrient uptake by crop”. The experiment was comprised of 12 treatme...
Article
Full-text available
Three-year fixed plot study was conducted to evaluate seven rice–based cropping sequences ., rice–fallow (farmers’ practice), rice–fenugreek (leafy vegetable), rice–coriander (leaves), rice–radish, rice–broccoli, rice–potato and rice–vegetable pea were replicated four-times in a completely randomized block design.rs in Sikkim Himalayas over convent...