Deconstructing agronomic resource use efficiencies to increase food production
| العنوان: | Deconstructing agronomic resource use efficiencies to increase food production |
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| المؤلفون: | Edmar Teixeira, Svend Christensen, Annamaria Mills, John R. Porter, Peter J. Thorburn, Hamish E. Brown, Derrick J. Moot |
| المصدر: | Italian Journal of Agronomy, Iss AOP (2021) Porter, J R, Thorburn, P J, Brown, H E, Teixeira, E I, Moot, D J, Mills, A & Christensen, S 2021, ' Deconstructing agronomic resource use efficiencies to increase food production ', Italian Journal of Agronomy, vol. 16, no. 3, 1694 . https://doi.org/10.4081/ija.2021.1694 |
| بيانات النشر: | PAGEPress Publications, 2021. |
| سنة النشر: | 2021 |
| مصطلحات موضوعية: | 0106 biological sciences, resource deconstruction, lcsh:Plant culture, Biology, Zea mays, 01 natural sciences, lcsh:Agriculture, Resource deconstruction, Saccharum officinarum, lcsh:SB1-1110, resource use efficiency, Crop ideosystem, business.industry, lcsh:S, 04 agricultural and veterinary sciences, biology.organism_classification, Dactylis glomerata, Agronomy, Resource use efficiency, 040103 agronomy & agriculture, Food processing, 0401 agriculture, forestry, and fisheries, Resource use, business, Agronomy and Crop Science, 010606 plant biology & botany |
| الوصف: | Food production per unit land area needs to be increased, thus cropping systems need to use nutrients, water and solar radiation at as close to maximal efficiencies as possible. We deconstruct these efficiencies into their components to define a theoretical crop ideosystem, in which all resource use efficiencies are maximised. This defines an upper biological limit to food production. We then quantify the difference between maximum use efficiencies and those observed in three agronomic systems (maize, cocksfoot, sugarcane) and identify how, in actual farm systems, efficiencies can be raised to raise food production. We find that crop nutrient use efficiency can be limited by low water availability; thus adding nutrients would not raise production but adding water would. The converse situation of water use efficiency being affected by nutrition is not as evident. Ideosystem thinking can be used to define small- and large-scale agronomic systems that optimize water and nutrient use to maximise food production. Highlights - Novel ideosystem method of analysing processes of food production, focussing on resource use efficiencies. - Interactions between resource use efficiencies are asymmetrical. - The ideosystem concept portrays how far a production system approaches maximum efficiency. |
| وصف الملف: | application/pdf |
| تدمد: | 2039-6805 1125-4718 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64f2805e624720efb5ecd9651cbdafcb https://doi.org/10.4081/ija.2021.1694 |
| حقوق: | OPEN |
| رقم الأكسشن: | edsair.doi.dedup.....64f2805e624720efb5ecd9651cbdafcb |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 20396805 11254718 |
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