EFFECT OF INDIVIDUAL OR COMBINED APPLICATION OF HERBICIDE IMAZETHAPYR ON NUTRIENT UPTAKE BY BLACKGRAM (Vigna mungo L.)

Malhi, Gurdeep Singh; Rana, M. C.; Rana, Sheetal; Kaushik, Prashant

doi:10.18006/2020.8(4).441.446

Cited by 6 publications

(4 citation statements)

References 8 publications

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“…C 3 weeds are a major problem in C 4 plants, while C 4 weeds in C 3 plants become less competitive [95]. Weeds compete with crops for water and nutrients, as they have higher nutrient requirements than the crop plants [96]. Climate change also influences the dynamics of crop-weed competition.…”

Section: Climate Change and Agriculturementioning

confidence: 99%

Impact of Climate Change on Agriculture and Its Mitigation Strategies: A Review

2021

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Climate change is a global threat to the food and nutritional security of the world. As greenhouse-gas emissions in the atmosphere are increasing, the temperature is also rising due to the greenhouse effect. The average global temperature is increasing continuously and is predicted to rise by 2 °C until 2100, which would cause substantial economic losses at the global level. The concentration of CO2, which accounts for a major proportion of greenhouse gases, is increasing at an alarming rate, and has led to higher growth and plant productivity due to increased photosynthesis, but increased temperature offsets this effect as it leads to increased crop respiration rate and evapotranspiration, higher pest infestation, a shift in weed flora, and reduced crop duration. Climate change also affects the microbial population and their enzymatic activities in soil. This paper reviews the information collected through the literature regarding the issue of climate change, its possible causes, its projection in the near future, its impact on the agriculture sector as an influence on physiological and metabolic activities of plants, and its potential and reported implications for growth and plant productivity, pest infestation, and mitigation strategies and their economic impact.

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Section: Climate Change and Agriculturementioning

confidence: 99%

Impact of Climate Change on Agriculture and Its Mitigation Strategies: A Review

2021

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“…The higher yield in weed control treatments could be credited to the efficient management of weeds in early growth stages providing a congenial environment for better crop growth. Moreover, the nutrient uptake of the crop plants is also increased with weed control treatments [4,8,44,45,55,58]. Means followed by different alphabets are significantly different as per LSD post hoc test (p < 0.05).…”

Section: Yield and Yield Attributesmentioning

confidence: 97%

Efficacy, Energy Budgeting, and Carbon Footprints of Weed Management in Blackgram (Vigna mungo L.)

et al. 2021

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Weed management in blackgram is one of the most efficient ways to improve its yield, as uncontrolled weed growth causes a significant decrease in crop yield. A field experiment was performed at Berthin, Himachal Pradesh, India, to investigate the efficacy, energy use efficiency (EUE), and carbon footprints of weed management tactics. Twelve weed control treatments were tested applied alone or in combination at pre and post emergence stages. The most prominent weeds were Cyperus iria, Dactyloctenium aegyptium, and Echinochloa colona, which caused a 68.1% loss in unweeded conditions. The application of weed control treatments reduced the weed count at 60 DAS from around 50% to 90%. The most efficient weed control treatment was pre-emergence (PRE) use of ready mix imazethapyr 35% + imazamox 35% WG @ 80 g ha−1, which resulted in a minimum weed infestation (i.e., weed count and weed biomass) and consequently highest yield. Its efficacy in weed control treatment was on par with PRE use of ready mix imazethapyr (35%) + imazamox (35% WG @ 70 g ha−1. Maximum energy use efficiency was also obtained upon PRE use of imazethapyr (35%) + imazamox (35% WG) @ 80 g ha−1 (8.27), trailed by PRE use of imazethapyr + imazamox @ 70 g ha−1 (7.84), mainly because of the higher yield obtained in these treatments which shows their efficiency in energy conversion. The carbon footprints were observed to be the lowest in ready mix combination of imazethapyr (35%) + imazamox (35% WG) applied at 80 g ha−1 (0.11 kg CE kg−1 yield), followed by imazethapyr (35%) + imazamox (35% WG) applied at 70 g ha−1 (0.12 kg CE kg−1 yield), as it resulted in the lowest emission per unit output production.

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“…There is an urgent requirement to take measures to mitigate the negative effects of climate change and aid sustainable development goals (SDGs), specifically in the agricultural sector worldwide, with a specific focus on ensuring food security [29]. Changing climate could jeopardize agricultural production by making it increasingly vulnerable to yield losses and economic instability, as well as increasing pest infestations and invasive weeds [30][31][32]. The agricultural sector is extremely vulnerable to climate change because of its size and sensitivity to weather conditions.…”

Section: Climate Change: Challenge To Agriculture Crops and Food Supplymentioning

confidence: 99%

“…This can have negative consequences for agricultural productivity, biodiversity, and ecosystem functioning. For instance, weeds compete with the main crops for water and nutrients, as they show higher nutrient requirements than crop plants [32], and they negatively impact crop yields. Weeds that are C3 are more sensitive to increased CO 2 concentrations as they can increase their leaf area and biomass with this.…”

Section: Climate Change: Challenge To Agriculture Crops and Food Supplymentioning

confidence: 99%

COVID-19 Pandemic, Climate Change, and Conflicts on Agriculture: A Trio of Challenges to Global Food Security

et al. 2023

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Global food security is a worldwide concern. Food insecurity is a significant threat to poverty and hunger eradication goals. Agriculture is one of the focal points in the global policy agenda. Increases in agricultural productivity through the incorporation of technological advances or expansion of cultivable land areas have been pushed forward. However, production growth has slowed in many parts of the world due to various endemic challenges, such as decreased investment in agricultural research, lack of infrastructure in rural areas, and increasing water scarcity. Climate change adversities in agriculture and food security are increasing. Recently, the COVID-19 pandemic has severely affected global food supply chains. Economic and social instability from the pandemic contribute to long-term disturbances. Additionally, conflicts such as war directly affect agriculture by environmental degradation, violence, and breaches of national and international trade agreements. A combination of food security and climate change challenges along with increased conflicts among nations and post-COVID-19 social and economic issues bring bigger and more serious threats to agriculture. This necessitates the strategic design of policies through multifaceted fields regarding food systems. In this comprehensive review, we explore how these three challenging factors, COVID-19, climate change, and conflicts, are interrelated, and how they affect food security. We discuss the impact of these issues on the agricultural sector, plus possible ways of preventing or overcoming such adverse effects.

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EFFECT OF INDIVIDUAL OR COMBINED APPLICATION OF HERBICIDE IMAZETHAPYR ON NUTRIENT UPTAKE BY BLACKGRAM (Vigna mungo L.)

Cited by 6 publications

References 8 publications

Impact of Climate Change on Agriculture and Its Mitigation Strategies: A Review

Impact of Climate Change on Agriculture and Its Mitigation Strategies: A Review

Efficacy, Energy Budgeting, and Carbon Footprints of Weed Management in Blackgram (Vigna mungo L.)

COVID-19 Pandemic, Climate Change, and Conflicts on Agriculture: A Trio of Challenges to Global Food Security

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