Mangal Deep Tuti

• Ph.D.
• Senior Scientist at ICAR-IIRR, Hyderabad

Changing climate conditions along with nutrient deficient soils adversely affect the environment and reduce rice production. Wild introgression lines derived from KMR 3 and O. rufipogon were evaluated in various environments to identify high yielding stress tolerant genotypes. DRR Dhan 74 (IET 30252) is a variety developed by IIRR, using parental l...

Rice (Oryza sativa L.) is the second most important staple food crop of world and prime staple food crop of India. Rice (Oryza sativa L.) and rice-based cropping systems are integral part of agriculture whose spread and extent is predominant across the countries. The productivity and sustainability of rice-based systems are threatened by the ineffi...

Utilizing agricultural and industrial wastes, potent reservoirs of nutrients, for nourishing the soil and crops through composting embodies a sustainable approach to waste management and organic agriculture. To investigate this, a 2-year field experiment was conducted at ICAR-IARI, New Delhi, focusing on a pigeon pea–vegetable mustard–okra cropping...

Inadequate green fodder of subpar quality poses a significant risk to livestock productivity, underscoring the pivotal role of intercropping and integrated nutrient management to effectively address the dual challenge of meeting both quantity and quality requirements in fodder. In this study, employing factorial randomized block design the experime...

One of the major causes of low nitrogen use efficiency in rice is the application of fertilizer nitrogen (N) more than crop requirement at times when it is not required by plant during late sown conditions. This experiment was conducted at Rajendranagar farm of ICAR-Indian Institute of Rice Research, Hyderabad during kharif2021. The experiment was...

DRR Dhan 71 [IET 29421 (RP 6324-123-14-4-1)], an aerobic rice variety was developed from CR 691-1 × CR Dhan 202. It was evaluated in AICRIP multi-location aerobic rice trials during wet seasons of 2020 to 2022. Consistently outperforming the check varieties in Odisha, Gujarat, and Tamil Nadu, DRR Dhan 71 achieved a mean grain yield of 4870 kg/ha. T...

The preparation of enriched formulation by integrating of agricultural wastes such as paddy husk ash (PHA) and potato peel with organic fertilizer such as farmyard manure (FYM), compost can enrich the soil with essential plant nutrients, leading to higher yields in subsequent crops and potentially reducing the dependence on farmyard manure/compost...

The implementation of integrated potassium management presents a viable approach for augmenting plant growth, yield, and nutrient uptake while enhancing soil nutrient availability. A field experiment was executed during the rabi season of 2020, employing a randomized complete block design encompassing eight treatments involving standard (100%) and...

Citation: Kumar, R.M.; Chintalapati, P.; Rathod, S.; Vidhan Singh, T.; Kuchi, S.; Mannava, P.B.B.B.; Latha, P.C.; Somasekhar, N.; Nirmala, B.; Madamsetty, S.P.; et al. Comparison of System of Rice Intensification Applications and Alternatives in India: Agronomic, Economic, Environmental, Energy, and Other Effects. Agronomy 2023, 13, 2492. Abstract:...

A field experiment was conducted at the research farm of ICAR-Indian Institute of Rice Research (IIRR), Hyderabad, Rajendranagar in kharif, 2022 to study the effect of varying levels and source of slow-release urea fertilizers on yield, post harvest soil nutrient status and economics of wet direct seeded rice. The experiment was laid out in a rando...

Agriculture had a significant negative impact on environment for many decades. More land, fertiliser and pesticides had been used to increase the yield. Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs. According to research, a number of factors...

Initial evaluations of the System of Rice Intensification in India and elsewhere have mainly fo-cused on its impact on yield and income and have usually covered just one or two seasons. Re-searchers at the ICAR-Indian Institute of Rice Research conducted a more comprehensive evalua-tion of SRI methods over six years (six wet and six dry seasons), c...

Agriculture had a significant negative impact on environment for many decades. More land, fertiliser and pesticides had been used to increase the yield. Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs. According to research, a number of factors...

DRR Dhan 64 [IET 28358 (RP 5599-212-56-3-1)], an early transplanted rice variety was developed from MTU-1010/KMR-3R cross. It was evaluated in AICRIP multi-location ETP trials during wet seasons of 2019 to 2021. DRR Dhan 64 consistently out-performed the check varieties in Eastern Zone (Zone III) with a mean grain yield 5330 kg/ha, which is 8%, 28%...

An experiment was conducted at the Indian Institute of Rice Research (IIRR) farm, ICRISAT for three consecutive kharif and rabi seasons from 2016 to 2018 to evaluate varieties under System of Rice Intensification (SRI) and Normal Transplanting (NTP) method. A total of 46 cultivars including hybrids (10), High yielding varieties (HYVs) (28) and elit...

DRR Dhan 57 [IET 26171 (RP 5601-283-14-4-1)], an aerobic rice variety was developed from BPT5204/ Azucena cross combination. It was evaluated in AICRIP multi-location aerobic rice trials during the wet seasons of 2016 to 2020. DRR Dhan 57 consistently outperformed the check varieties in Eastern Zone (Zone III) and Central Zone (Zone V) with a mean...

Extended Summaries of ICSCI-2022

This study was carried out to analyse the trend analysis of the long-term annual and seasonal rainfall pattern in Telangana state, India. For this study monthly rainfall data of Telangana state from January 1982 to December 2021 was collected from the NASA power website (https://power.Iarc.nasa.gov). The linear regression trend line and the non-par...

A field experiment was conducted during year 2021-22 at ICAR-Indian Institute of Rice Research, Rajendranagar, Hyderabad to study the effect of tillage and nutrient management practices on growth, yield and quality of sesame grown in rice fallows. The experiment was laid out in split plot design with 18 treatments comprised of three main plot treat...

Aerobic rice needs 30% less total water for land preparation, 50% saving on labour requirement and 50% less GHG emission compared to transplanted rice. Energy use efficiency of aerobic rice cultivation also varies due to varieties. However, a detailed study on various energy inputs components of aerobic rice cultivation (variety, water management,...

Integrated management of rice–maize systems is an emerging challenge in southern India due to improper rice residues and tillage management in maize crops. Conservation agriculture (CA) practices such as a reduced tillage and maintaining stubble mulch may hold the potential to increase yields, reduce crop establishment costs and increase farm incom...

Phosphorus (P) is one of the macronutrients essential for plant growth and development. Rice (Oryza sativa L.) is sensitive to P starvation and its deficiency influences many key plant functions, resulting in crop yield penalties. Although the hybrid rice segment is well-known for its yield heterosis, P deficiency and bacterial leaf blight diseases...

Enhancing productivity through integrated nutrient management is pertinent to sustainable intensification of agricultural ecosystems. Field experiments were conducted during kharif and rabi 2016 at the research farm of Indian Institute of Rice Research, Hyderabad, Telangana in a clay loam soil to study the effect of sea weed extract (Liquid Bio-sti...

Phosphorus (P) is one of the macro nutrients essential for plant growth and development. Rice ( Oryza sativa L.) is sensitive to P starvation and its deficiency influences many key plant functions which results in crop yield penalty. Although the hybrid rice segment is well-known for its yield heterosis, P deficiency and bacterial leaf blight (BLB)...

Recent predictions on climate change indicate that high temperature episodes are expected to impact rice production and productivity worldwide. The present investigation was undertaken to assess the yield stability of 72 rice hybrids and their parental lines across three temperature regimes over two consecutive dry seasons using the additive main e...

With an objective of mapping novel low soil P (Phosphorus) tolerance loci in the non-Pup1 type donor rice line, Wazuhophek, we screened a recombinant inbred line (RIL) mapping population consisting of 330 lines derived from the cross Wazuhophek x Improved Samba Mahsuri (which is highly sensitive to low soil P) in a plot with low soil P for toleranc...

Genetic improvement of rice for grain micronutrients, viz ., iron (Fe) and zinc (Zn) content is one of the important breeding objectives, in addition to yield improvement under the irrigated and aerobic ecosystems. In view of developing genetic resources for aerobic conditions, line (L) × tester (T) analysis was conducted with four restorers, four...

To improve grain yield under direct seeded and aerobic conditions, weed competitive ability of a rice genotype is a key desirable trait. Hence, understanding and dissecting weed competitive associated traits at both morphological and molecular level is important in developing weed competitive varieties. In the present investigation, the QTLs associ...

Weed management in rice is important to prevent yield loss, decrease production costs, and preserve good grain quality. Weeds decrease yields by direct competition, especially for sunlight, nutrients and water. System of Rice Intensification (SRI) is a sustainable low-cost alternative to the conventional rice farming. This system ensures high yield...

Most of the population of Asian and African countries completely depend on rice for their daily food, and 90% of world rice comes from Asia. Nearly four and half billion of the total world population completely depend on rice as a primary source of their food. In India and other parts of the world, rice is taken as a staple food. Considering its im...

There is a close relationship among agriculture, economics, energy and the environment. A comparison was made between conventional and the system of rice intensification (SRI) methods of rice cultivation by conducting two experiments. One field experiment was conducted from 2013 to 2017 at 25 locations across India under the All India Coordinated R...

There is a close relationship among agriculture, economics, energy and the environment. A comparison was made between conventional and the system of rice intensification (SRI) methods of rice cultivation by conducting two experiments. One field experiment was conducted from 2013 to 2017 at 25 locations across India under the All India Coordinated R...

To improve grain yield under direct seeded and aerobic conditions, weed competitive ability of a rice genotype is a key desirable trait. Hence, understanding and dissecting weed competitive associated traits at both morphological and molecular level is important in developing weed competitive varieties. In the present investigation, the QTLs associ...

This study was conducted to evaluate few elite rice genotypes in wet-direct seeded system vis-à-vis conventional transplanting in clayey vertisol of Telangana during two consecutive seasons (rabi and kharif) of 2015-16. The experiment was laid out in split-plot design with two methods of crop establishment in main plots viz. conventional transplant...

Lack of crop diversification with suitable vegetable-based cropping system is a major constraint in limiting the productivity and sustainability of north-western Indian sub-Himalayas. To find out a sustainable vegetable-based cropping system in this region, a three year colocasia-based vegetable intensive experiment was conducted at Hawalbagh, Almo...

AICRP Experiences on rice and rice based cropping systems

While most rice is grown in the kharif (wet-season, roughly July-December), rice is also grown in the rabi (dry-season, roughly January-June) in many states. Approximately 55% of India's rice crop is irrigated, up from about 45% in 1990; the fraction of rice area that is irrigated varies by state from <50% in Madhya Pradesh, Maharashtra and Bihar,...

A field experiment was conducted to evaluate the effectiveness of new low dose post-emergence herbicide, florpyrauxifenbenzyl for broad-spectrum weed control in puddled direct seeded rice at five AICRIP locations i.e. Navsari, Vadgaon, Aduthurai, Karjat and Nellore. Experiment was laid out in randomized block design to test seven treatments, viz. T...

In agriculture, management practices were usually developed for individual crop. However, farmers are cultivating different crops in different seasons based on their adaptability to a particular season, domestic needs and profitability. Multiplicity of cropping systems has been one of the main features of Indian agriculture and it is mainly attribu...

Conventional mode of agriculture has encountered a host of problems or challenges like global warming. The resource conservation techniques can mitigate greenhouse gas emission and help in climate change adaptation by promoting carbon sequestration, reducing fuel-energy use and improving input use efficiency with the benefit of carbon credit, farme...

While most rice is grown in the kharif (wet-season, roughly July-December), rice is also grown in the rabi (dry-season, roughly January-June) in many states of India. Approximately 55% of India's rice crop is irrigated, up from about 45% in 1990; the fraction of rice area that is irrigated varies by state from <50% irrigated in Madhya Pradesh, Maha...

Industrial agriculture inputs can diminish soil microbial biodiversity. The use of organic soil amendments may foster beneficial microorganisms. Organic production systems have increased in recent years, but we know little about the effect of these production practices on soil culturable microbial diversity compared to inorganic fertilization. Theref...

Grain yield of rice can decline to the extent of 10% for each 1oC increase in growing season minimum temperature above 32oC, which leads to severe water shortage due to climate change, causing about 20% net decline in rice yield in India. Several experiments were conducted in rice to reduce water requirement and enhance nutrient use efficiency, in...

Being the most important staple food crop, rice plays a vital role in food security of many countries including India. Rice production needs to be enhanced by 2.0-2.5 million tonnes year-1 to meet the growing demand of burgeoning population in next 15-20 years. Healthy soils play an important role in maintaining sufficient biological activity, impr...

Soil quality is considered as a key element of sustainable agriculture. Several experiments have been conducted across the states of India to assess different crop establishment methods and management practices to enhance the productivity and to sustain the soil fertility. There is a need to manage the variability in indigenous nutrient supplies fo...

A field experiment was conducted during rainy season of 2014 at Experimental Farm, Hawalbagh, Almora, to know the effect of weed management practices on weed index and grain yield of rainfed finger millet. All the weed control measures significantly reduced total weed dry weight and weed index as compared to that of weedy check. Manual weeding at 2...

Rice ecosystems including irrigated rice in India is infested with complex weed flora including semiaquatic and aquatic weeds which cause yield losses from 15 to 76% in rice crop. ICAR-Indian Institute of Rice Research (IIRR) under All India Co-ordinated Rice Improvement Programme (AICRIP) has conducted experiments across India (11 locations) to ev...

Carbon sequestration potential (CSP) and sustainability of gardenpea-french bean cropping system was assessed with farmyard manure (FYM) application vis-`a-vis mineral fertilization as recommended NPK (NPK) and integrated nutrient management practices (INM) after six years’ cropping in Indian Himalayas. Application of 20 tons FYM ha−1 provided high...

Four colocasia based cropping system viz Colocasia-Onion-Frenchbean (C-O-F), Colocasia-Frenchbean-Potato (CF-P), Colocasia-Cabbage-Frenchbean (C-Ca-F), Colocasia-Coriander-Tomato (C-Co-T) were taken to find out theeffect of different crops under colocasia based cropping system on the antioxidant activities (AA) and productivity of colocasia tuber....

A field experiment was conducted during winter (rabi) seasons of 2012-13 and 2013-14 at the experimental farm of the ICAR–Vivekananda Parvatiya Krishi Anusandhan Sansthan located at Hawalbagh, Almora. The experiment was laid out in split plot design with four replications. The treatments consisted of two fertility levels viz., unfertilized control...

Post-emergence treatments are often the keys to efficient weed control, and could be a substitute or supplementary to pre-emergence treatment. Accordingly, this study was designed to test the selectivity and efficacy of sequential (pre- + post-emergence) applications of metribuzin on weeds in soybean, and to optimize the dose, volume rate and time...

A field experiment was conducted during winter (rabi) seasons of 2012-13 and 2013-14 at the experimental farm of the ICAR–Vivekananda Parvatiya Krishi Anusandhan Sansthan located at Hawalbagh, Almora. The experiment was laid out in split plot design with four replications. The treatments consisted of two fertility levels viz., unfertilized control...

A field experiment was conducted during the summer season of 2009 and 2010 at Vivekananda Parvatiya Krishi Anusandhan Sansthan, Hawalbagh, Almora, Uttarakhand, under the mid-hills of north-western Himalaya, to study the effect of farmyard manure and fertilizers on fruit yield, economics, energetics of pepper (Capsicum annuum L.) and on soil chemica...

Under off-seasonality, high-value vegetable cultivation in the greenhouse is more profitable and gaining more acceptances day by day. This study aims to analyze the energy requirement and energy input–output relationship with the economics of vegetable-based cropping sequences viz., tomato nursery–tomato–pepper–onion nursery (CS1), tomato nursery–p...

A field experiment was conducted during the summer season of 2009 and 2010 at Vivekananda Parvatiya Krishi Anusandhan Sansthan, Hawalbagh, Almora, Uttarakhand under mid hills of North-western Himalaya, to study the effect of farmyard manure and fertilizers on fruit yield, economics, energetics of pepper (Capsicum annuum L.) and on soil chemical pro...

The study on system productivity, energy-use efficiency and economics of pigeonpea [Cajanus cajan (L.) Mill sp.]–based cropping systems, viz., pigeonpea–wheat {Triticum aestivum (L.) emend. Fiori & Paol.}, pigeonpea– barley (Hordeum vulgare L.), pigeonpea–lentil {Lens culinaris (L.) Medicus, pigeonpea–field pea {Pisum sativum (L.), sensu lato} and...

Soil conservation and C sequestration are critical issues in rainfed farming of the Indian Himalayas. This study, conducted from 2003 through 2009 on a sandy clay loam soil (Typic Haplaquept) near Almora, India, evaluated the effect of seasonal tillage alterations (year-round conventional tillage [CT– CT], year-round no tillage [NT–NT], CT in the R...

A field experiment was conducted during winter (rabi) seasons of 2008-09 and 2009-10 at Hawalbagh to evaluate the performance of lentil (Lens culinaris Medikus) and toria (Brassica campestris L. var. toria) intercropping with wheat (Triticum aestivum L. emend. Fiori & Paol.). Wheat + lentil in 2:1 and 1:1 row ratios were superior to sole wheat and...

Abstract: Soil conservation and carbon sequestration are critical issues in the Indian Himalayas. This study, conducted from 2005 through 2009 on a sandy clay loam soil near Almora, India, with two tillage (conventional tillage [CT] and zero tillage [ZT]) and five fertilization management practices (100% NPK [F1], 50% NPK + 10 Mg farmyard manure [F...

Carbon retention is a critical issue in arable farming of the Indian Himalayas. This study, conducted from 2001 through 2010 on a sandy clay loam soil, evaluated the effect of tillage alterations (conventional tillage [CT] and zero tillage [ZT]) and selected irrigation treatments (I1: pre-sowing, I2: pre-sowing + active tillering or crown root init...

Effective weed control in no-till systems is mainly dependent on herbicides. Appropriate weed management strategies, however, can reduce the amount of herbicides. In this study possible weed management was at-tempted in wheat (Triticum aestivum L. emend. Fiori & Paol.) under zero-tillage (without residue) and conven-tional tillage between 2006-07 a...

A field experiment was conducted for two years at New Delhi to evaluate sequential applications [pre-emer-gence followed by (fb) post-emergence] of metribuzin on weed control in soybean [Glycine max (L.) Merrill] . Re-sults indicated that metribuzin at 0.5 kg/ha as pre-emergence resulted in more suppression of Trianthema portulacastrum L., Cyperus...