An overview of the global fertilizer trends and India’s position in 2020

Randive, Kirtikumar; Raut, Tejashree; Jawadand, Sanjeevani

doi:10.1007/s13563-020-00246-z

Cited by 79 publications

(41 citation statements)

References 27 publications

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“…Nevertheless, the incremental application of synthetic fertilizers can cause harmful impacts on soil organic matter that can consequently result in N deficiency [4], and enhance salt accumulation in soil [5]. In 2018-2019 about 188 Mt was the aggregate world consumption of fertilizers, at a cost of about 155.8 billion dollars; this is expected to grow annually by 3.8% until 2024 [6]. Industrialized synthetic N fertilizers require about one-third of the total commercial energy used for different processes in agricultural cultivation, owing to the high levels of energy needed to reduce N 2 into NH 3 during the Haber-Bosch process [7].…”

Section: Introductionmentioning

confidence: 99%

Azolla Compost as an Approach for Enhancing Growth, Productivity and Nutrient Uptake of Oryza sativa L.

et al. 2022

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The excessive application of synthetic fertilizers can result in severe environmental risks, while composting green and fresh feedstocks can provide slow-release nutrients. Therefore, the aim of the current investigation was to study the effects of eight individual and combination treatments of azolla compost and NPK synthetic fertilizers (control = no fertilizer and compost; 100% NPK = full recommended dose of synthetic fertilizers as follows: 165 kg N/ha−1, 37 kg P2O5/ha−1 and 50 kg K2O/ha−1; 70% NPK; 40% NPK; 100% azolla compost (5 t DM ha−1); 50% NPK + 50% azolla compost; 70% NPK + 30% azolla compost and 40% NPK + 60% azolla compost) on rice growth, productivity and nutrient uptake in semi-arid agro-ecosystems. The results indicated that the combination of 40% NPK + 60% azolla compost or 50% NPK + 50% azolla compost resulted in the most optimal growth and the highest yield components. In addition, the application of 40% NPK + 60% azolla compost exhibited similar rice grain yields (10.76 t ha−1) as well as N, P, and K content and uptake compared with the full recommended dose of NPK fertilizer (100% NPK). This study declared that the utilization of azolla compost as an individual or combination application can reduce usage of synthetic fertilizers by up to 60% without significant reduction in the growth and grain productivity of rice.

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Section: Introductionmentioning

confidence: 99%

Azolla Compost as an Approach for Enhancing Growth, Productivity and Nutrient Uptake of Oryza sativa L.

et al. 2022

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“…Studies on fertilizer demand, such as those by Chianu and Tsujii ( 2004 ), Croppenstedt and Demeke ( 1996 ), Zhou et al ( 2010 ), and Maganga et al ( 2011 ) have revealed that the primary causes of low fertilizer demand are inadequate revenues and low production levels, as well as lack of access to financial resources. Randive et al ( 2021 ) reported that the limited geological resources of raw material for the manufacture of fertilizers and market fluctuations of fertilizer minerals initiate wide-reaching competition and raise challenge of food security. Previous research papers, such as those conducted by Hsu ( 1972 ), analyzed the impact of prices on the demand for fertilizers in Taiwan and concluded that fertilizer prices have a big impact on nitrogen demand, and less impact on phosphate and potash demand.…”

Section: Introductionmentioning

confidence: 99%

Estimating short-run (SR) and long-run (LR) demand elasticities of phosphate

Rawashdeh

2022

Miner Econ

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Many empirical exercises estimating demand functions are concerned with estimating dynamic effects of price and income changes over time. Researchers are typically interested in getting estimates of both short-run (SR) and long-run (LR) elasticities, along with their standard errors. This study aimed to contribute with estimations of demand elasticities of world phosphate fertilisers. It answered the research question “How world demand of phosphate fertilisers is affected by its own price changes, cross price changes, income changes and other variables?”. Short and long run elasticities are calculated using an economic model in this paper. The findings indicate that global phosphate demand is price inelastic both in the short and long run. In addition, in both the short and long run, income elasticity, cross price elasticity, and cross yield elasticity are inelastic. Our modeling predicts that phosphate consumption for fertilisers will increase from 45.35 million tons in 2018 to around 59.16 million tons by 2028; which implies that an average annual growth rate of 2.7% of P 2 O 5 will be required every year by phosphate consumers and that additional production capacity may be needed in order to meet this future demand. The results suggest that phosphate prices are forecast to increase, as long as demand continues to rise and no new production facilities are built.

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“…Moreover, cereal crops require N to synthesize proteins stored in grains [5]. The increase in the global demand for N is expected to reach 111.59 million tonnes in 2022, with an increased reach of 6.13% compared to the global demand in 2016 [6].…”

Section: Introductionmentioning

confidence: 99%

Enhancing Grain Yield and Nitrogen Accumulation in Wheat Plants Grown under a Mediterranean Arid Environment by Foliar Spray with Papain-Released Whey Peptides

et al. 2021

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Due to their beneficial, stimulating impact on plant growth, productivity, and alleviating environmental stresses, protein hydrolysates have recently received increasing attention as a possible substitute. This investigation aimed to explore the effects of foliar application of papain-produced whey protein hydrolysates (WPH) on the yield attributes and nitrogen use efficiency (NUE) of soft wheat. Wheat plants were cultivated under a Mediterranean arid environment and received four soil nitrogen (N) fertilization levels with ammonium nitrate (145, 185, 215, and 250 kg N ha−1) and compared to control treatment and urea foliar application. WPH increased grain yield, yield attributes, and N accumulation in wheat plants. Partial productivity factors of applied nitrogen, as NUE indicators under relatively steady-state cropping systems, were also enhanced by WPH compared to control treatment. WPH significantly improved flag leaf area, spike number m−2, and grain yield compared to urea foliar application. Increasing the soil N fertilization level from 145 up to 215 kg N ha−1 was accompanied by significant increases in all yield traits and N accumulation measurements, except for the partial factor productivity of applied N, which decreased. A strong positive association was detected among grain and straw yields, their attributes, and total N uptake. Results highlighted the efficacy of WPH in increasing wheat yield and NUE.

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An overview of the global fertilizer trends and India’s position in 2020

Cited by 79 publications

References 27 publications

Azolla Compost as an Approach for Enhancing Growth, Productivity and Nutrient Uptake of Oryza sativa L.

Azolla Compost as an Approach for Enhancing Growth, Productivity and Nutrient Uptake of Oryza sativa L.

Estimating short-run (SR) and long-run (LR) demand elasticities of phosphate

Enhancing Grain Yield and Nitrogen Accumulation in Wheat Plants Grown under a Mediterranean Arid Environment by Foliar Spray with Papain-Released Whey Peptides

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