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1. |
Record Nr. |
UNINA9910471060503321 |
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Autore |
Derber, Charles |
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Titolo |
The pursuit of attention $e power and ego in everyday life / Charles Derber |
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Pubbl/distr/stampa |
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Oxford, : Oxford University Press, 2000 |
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ISBN |
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Edizione |
[2. ed.] |
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Disciplina |
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Locazione |
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Collocazione |
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302.14 DER 1 |
302.14 DER 1 BIS |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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2. |
Record Nr. |
UNINA9910346021903321 |
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Autore |
Brodie Graham |
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Titolo |
Microwave Based Weed Control and Soil Treatment / / Graham Brodie, Dorin Gupta, Jamal Khan, Sally Foletta, Natalie Bootes |
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Pubbl/distr/stampa |
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De Gruyter, 2018 |
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Warsaw ; ; Berlin : , : De Gruyter Open Poland, , [2018] |
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©2018 |
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ISBN |
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Descrizione fisica |
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Soggetti |
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enhanced crop growth |
herbicide resistance |
indigenous soil nitrogen release |
microwave |
seed bank reduction |
weed knockdown |
Technology & Engineering / Agriculture / General |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di contenuto |
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Frontmatter -- Contents -- Preface -- 1 General Introduction -- 2 The Growing Threat to Herbicide Use -- 3 A System Model for Crop Yield Potential as a Function of Herbicide Weed Control over Time -- 4 Physical Weed Control -- 5 A Brief Review of Microwave Heating -- 6 A Brief History of Microwave Weed Control Research -- 7 Applying Microwave Energy to Plants and the Soil -- 8 The Potential of Microwave Treatment to Kill Weed Plants -- 9 The Potential of Microwave Soil Treatment to Kill Weed Seeds -- 10 The Effect of Microwave Treatment on Soil Biota -- 11 The Effect of Microwave Soil Treatment on Subsequent Crop Growth and Yield -- 12 A System Model for Crop Yield Potential as a Function of Microwave Weed Control over Time -- 13 A Preliminary Economic Assessment of the Microwave Technology in an Herbicide Resistant World -- 14 Industry Acceptance |
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and Conclusion -- Table of Figures -- Index |
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Sommario/riassunto |
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Herbicide resistance has become an important constraint on modern agricultural practices. An alarming increase in weed biotypes that are resistant to herbicides has also been reported. Opportunity exists for a novel weed management technology, which is also compatible with no-till agricultural practices. Microwave heating can kill both emerged weed plants and weed seeds in the soil. When the intensity of the microwave fields is moderate, plants, which have already emerged, are susceptible to microwave treatment. If the microwave field is intense enough, very rapid volumetric heating and some thermal runaway in the plant structures cause micro-steam explosions in the plant cells, which rupture the plant structures, leading to death. Soil treatment requires significantly more energy; however, there are secondary benefits for crops growing in microwave treated soil. These include: significant reduction of the dormant weed seed bank; significant reduction of nematode populations; significant reduction of fungal populations; better availability of indigenous nitrogen for the plants; more rapid humification; and significant increases in crop growth and yield. Microwave weed management and soil treatment is not restricted by weather conditions; therefore, the technology may offer some timeliness and environmental benefits, which are yet to be quantified in a cropping system. |
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