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Titolo:
THE ROTHAMSTED LONG-TERM EXPERIMENTS - ARE THEY STILL RELEVANT
Autore:
POULTON PR;
Indirizzi:
AFRC,INST ARABLE CROPS RES,DEPT SOIL SCI HARPENDEN AL5 2JQ HERTS ENGLAND
Titolo Testata:
Canadian Journal of Plant Science
fascicolo: 4, volume: 76, anno: 1996,
pagine: 559 - 571
SICI:
0008-4220(1996)76:4<559:TRLE-A>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
BROADBALK WHEAT EXPERIMENT; FERTILIZER NITROGEN; WINTER-WHEAT; SOIL; DENITRIFICATION; DEPOSITION; ATMOSPHERE; RECOVERY; LOSSES; AUTUMN;
Keywords:
SOIL FERTILITY; SUSTAINABILITY; LONG-TERM EXPERIMENTS; GLOBAL CHANGE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
47
Recensione:
Indirizzi per estratti:
Citazione:
P.R. Poulton, "THE ROTHAMSTED LONG-TERM EXPERIMENTS - ARE THEY STILL RELEVANT", Canadian Journal of Plant Science, 76(4), 1996, pp. 559-571

Abstract

Maintaining soil fertility and sustaining or increasing crop yield isof worldwide importance. Many factors impact upon the complex biological, chemical and physical processes which govern soil fertility. Changes in fertility caused by acidification, declining levels of organic matter, or P and K status may take many years to appear. These properties can in turn be affected by external influences such as atmosphericpollution, global change, or changes in land management practice. Long-term experiments provide the best practical means of studying changes in soil properties and processes and providing information for farmers, scientists and policy makers. This paper shows how the experimentsrun at Rothamsted in southeast England continue to provide data whichare highly relevant to today's agriculture and wider environmental concerns. Examples are given of how crop yield is affected by soil organic matter, by pests and disease and by P nutrition. The effect of atmospheric pollution on soil acidity and the mobilization of heavy metalsare also examined. The need for making better use of existing long-term experiments is stressed.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 22/09/20 alle ore 14:21:41