Growing demand for higher crop yields resulted in agriculture intensification. While agricultural land area has grown since 1950 by 11 %, the production has risen by 145 %1 – mainly thanks to pesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More and new fertilizers. They allow our population not to starve, however it has been a lot said about their negative impact to the environment.2
in million tonnes
No Data Found
Fig. 1: According to FAO3 the global consumption of pesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More rose in 1990–2010. This increase is mainly due to intensification in Asia and S. America. Europe and N. America (not shown) have not increased (nor decrease) their consumption of pesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More since 1990. FAO estimates the global pesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More consumption was 4,1 million tons in 2018. Out of it, 1,8 million tons were used in China.
Agrochemicals enter the natural environment through 4 main routes:
Loss during application
Loss into the atmosphere
Flushing of the agrochemicals with rain
Mobility through soil into ground water
PesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More can be quickly transported into water bodies, but they can also persists in soils for years depending on the precipitation.5 PesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More overuse negatively impacts soil microbiome – loss of bacteria and fungi leads to fast degradation of soil. Low organic carbon corresponds with poor water retention and impaired chemicals degradation. Fertilizers overuse is the cause of high nitrogen levels in soil and surrounding water bodies, where eutrophication is an issue.4
Eutrophication of streams and lakes is the main adverse effect of fertilizers runoff. Water bloom damages the balance of water ecosystem and causes loss of biodiversity.6 Chemicals entering ground water can contaminate drinking water.2
2–50 % sprayed agrochemicals drift into the atmosphere just during the application.2, 7 Many volatile compounds evaporate into the air even after application. These chemicals are transmitted by the atmosphere over long distances. 62 % of all soil in Europe (not only agricultural) contain high levels of nitrogen due to transport through the air.4, 8
Intensive agriculture contributes to both biodiversity loss9 as much as decrease of total number of beneficial organisms. 80% reduction of total insect biomassMaterial of biological origin excluding material embedded in geological formations and material transformed to fossilised material. This includes orga… More in 27 years has been reported.10, 11 The economic value of pollinators is estimated being 165 billion USD every year.9 Not only that we don’t pay them salary, but pesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More make life much harder for these workers.12, 13 Herbicides decrease biodiversity of plants. The loss of biodiversity is also caused by fertilizers-driven eutrophication.9, 14 It is crucial to realize that the healthy ecosystem performs many services – rich biodiversity brings benefits for agriculture, fishery and forestry.
No Data Found
Fig. 2: Health issues after occupational exposure to pesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More (data collected in 2016-2018).20
Resistance in this case indicates reduced effectiveness of pesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More after repeated application. PesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More select the population of pests – only the strongest ones survive the treatment. If these strong individuals reproduce, the next generation more probably survives application of the same pesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More. Lower effect of pesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More forces farmers to increase doses of chemicals, which can harm natural predators and further decrease pest management opportunities.
1 Pretty, J. and Z. P. Bharucha. Integrated Pest Management for SustainableAn attempt to provide the best outcomes for the human and natural environments both now and into the indefinite future. One famous definition of susta… More Intensification of Agriculture in Asia and Africa. Insects. 2015, 6(1). doi: 10.3390/insects6010152.
2 Dhananjayan, V., S. Jayakumar and B. Ravichandran. Conventional Methods of Pesticide Application in Agricultural Field and Fate of the PesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More in the Environment and Human Health. In: R. K. R, Thomas, S., Volova, T. and K, J. Controlled Release of PesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More for SustainableAn attempt to provide the best outcomes for the human and natural environments both now and into the indefinite future. One famous definition of susta… More Agriculture. Cham: Springer International Publishing, 2020: 1-39. 978-3-030-23396-9.
3 FAO, 2020. FAOSTAT, PesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More Use. [cit. 15.1., 2021.] Dostupné z: http://www.fao.org/faostat/en/?#data/RP.
4 Commission), D.-G. f. R. a. I. E., C. Veerman, T. Pinto Correia, et al., 2020. Caring for Soil is Caring for Life. https://op.europa.eu/en/publication-detail/-/publication/4ebd2586-fc85-11ea-b44f-01aa75ed71a1
5 Vryzas, Z. Pesticide fate in soil-sediment-water environment in relation to contamination preventing actions. Current Opinion in Environmental Science & Health. 2018, 4: 5-9. doi: https://doi.org/10.1016/j.coesh.2018.03.001.
6 Lürling, M. and M. Mucci. Mitigating eutrophication nuisance: in-lake measures are becoming inevitable in eutrophic waters in the Netherlands. Hydrobiologia. 2020. doi: 10.1007/s10750-020-04297-9.
7 Zhao, X., H. Cui, Y. Wang, et al. Development Strategies and Prospects of Nano-based Smart Pesticide Formulation. Journal of Agricultural and Food Chemistry. 2018, 66(26): 6504-6512. doi: 10.1021/acs.jafc.7b02004.
8 Koolen, C. D. and G. Rothenberg. Air Pollution in Europe. ChemSusChem. 2019, 12(1): 164-172. doi: https://doi.org/10.1002/cssc.201802292.
9 Dudley, N. and S. Alexander. Agriculture and biodiversity: a review. Biodiversity. 2017, 18(2-3): 45-49. doi: 10.1080/14888386.2017.1351892.
10 Crall, J. D., C. M. Switzer, R. L. Oppenheimer, et al. Neonicotinoid exposure disrupts bumblebee nest behavior, social networks, and thermoregulation. Science. 2018, 362(6415): 683. doi: 10.1126/science.aat1598.
11 Hallmann, C. A., M. Sorg, E. Jongejans, et al. More than 75 percent decline over 27 years in total flying insect biomassMaterial of biological origin excluding material embedded in geological formations and material transformed to fossilised material. This includes orga… More in protected areas. PloS one. 2017, 12(10): e0185809-e0185809. doi: 10.1371/journal.pone.0185809.
12 Beketov, M. A., B. J. Kefford, R. B. Schäfer and M. Liess. PesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More reduce regional biodiversity of stream invertebrates. Proceedings of the National Academy of Sciences of the United States of America. 2013, 110(27): 11039-11043. doi: 10.1073/pnas.1305618110.
13 Ewald, J. A., C. J. Wheatley, N. J. Aebischer, et al. Influences of extreme weather, climate and pesticide use on invertebrates in cereal fields over 42 years. Glob Chang Biol. 2015, 21(11): 3931-50. doi: 10.1111/gcb.13026.
14 Glibert, P. M. Eutrophication, harmful algae and biodiversity — Challenging paradigms in a world of complex nutrient changes. Marine Pollution Bulletin. 2017, 124(2): 591-606. doi: https://doi.org/10.1016/j.marpolbul.2017.04.027.
15 Richardson, J. R., V. Fitsanakis, R. H. S. Westerink and A. G. Kanthasamy. Neurotoxicity of pesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More. Acta neuropathologica. 2019, 138(3): 343-362. doi: 10.1007/s00401-019-02033-9.
16 Aloizou, A. M., V. Siokas, C. Vogiatzi, et al. PesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More, cognitive functions and dementia: A review. Toxicol Lett. 2020, 326: 31-51. doi: 10.1016/j.toxlet.2020.03.005.
17 van den Berg, H., B. Gu, B. Grenier, et al. Pesticide lifecycle management in agriculture and public health: Where are the gaps? Science of The Total Environment. 2020, 742: 140598. doi: https://doi.org/10.1016/j.scitotenv.2020.140598.
18 Bhandari, G. An Overview of Agrochemicals and Their Effects on Environment in Nepal. Applied Ecology and Environmental Sciences. 2014, 2: 66-73. doi: 10.12691/aees-2-2-5.
19 Gillezeau, C., M. van Gerwen, R. M. Shaffer, et al. The evidence of human exposure to glyphosate: a review. Environ Health. 2019, 18(1): 2. doi: 10.1186/s12940-018-0435-5.
20 Dhananjayan, V. and B. Ravichandran. Occupational health risk of farmers exposed to pesticidesPesticides are products and agents designed to eliminate plant and animal pests, to protect plants, to protect supplies and products, to protect premi… More in agricultural activities. Current Opinion in Environmental Science & Health. 2018, 4: 31-37. doi: https://doi.org/10.1016/j.coesh.2018.07.005.
21 Meena, R. S., S. Kumar, R. Datta, et al. Impact of agrochemicals on soil microbiota and management: A review. Land. 2020, 9(2): 34. doi
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