| |
|
|
|
|
|
|
|
|
1. |
Record Nr. |
UNINA9910455598103321 |
|
|
Autore |
H?akansson Sigurd <1928-> |
|
|
Titolo |
Weeds and weed management on arable land [[electronic resource] ] : an ecological approach / / Sigurd H?akansson |
|
|
|
|
|
|
|
Pubbl/distr/stampa |
|
|
Wallingford, Oxon, UK ; ; Cambridge, MA, : CABI Pub., c2003 |
|
|
|
|
|
|
|
ISBN |
|
1-280-83372-6 |
9786610833726 |
0-85199-800-3 |
|
|
|
|
|
|
|
|
Descrizione fisica |
|
1 online resource (288 p.) |
|
|
|
|
|
|
Disciplina |
|
|
|
|
|
|
Soggetti |
|
Weeds - Control - Sweden |
Weeds - Control |
Weeds - Ecology - Sweden |
Weeds - Ecology |
Weeds - Sweden |
Weeds |
Electronic books. |
|
|
|
|
|
|
|
|
Lingua di pubblicazione |
|
|
|
|
|
|
Formato |
Materiale a stampa |
|
|
|
|
|
Livello bibliografico |
Monografia |
|
|
|
|
|
Note generali |
|
Description based upon print version of record. |
|
|
|
|
|
|
Nota di bibliografia |
|
Includes bibliographical references (p. 248-268) and indexes. |
|
|
|
|
|
|
Nota di contenuto |
|
Contents; Preface; 1 Introduction; 2 Classification of Plants Based on Traits of Ecological Significance; 3 Annual and Perennial Crops; 4 Weed Communities Looked Upon as Early Stages in Secondary Vegetation Succession; 5 Weeds with Diverse Life Forms in Various Types of Crops; 6 Germination, Emergence and Establishment of Crop and Weed Plants; 7 Competition in Plant Stands of Short Duration; 8 Weed Flora and Plant Adaptation to Environment and Competitive Conditions; 9 Measurements of Competition and Competitiveness in Plant Stands of Short Duration; 10 Soil Tillage Effects on Weeds |
11 Chemical Weed Control as an Element in the Cropping System12 Special Management Measures; 13 Important Points for Understanding the Occurrence and Rational Management of Weeds; References; Species Index; Subject Index |
|
|
|
|
|
|
|
|
Sommario/riassunto |
|
A guide to dealing with the appearance and management of plants with |
|
|
|
|
|
|
|
|
|
|
|
|
|
different traits that occur as weeds on arable land. It describes and discusses matters and relationships that are important as a basis for understanding the varying occurrence of weeds in different crops and cropping systems. |
|
|
|
|
|
|
2. |
Record Nr. |
UNINA9910783357803321 |
|
|
Titolo |
African-American exploration in West Africa [[electronic resource] ] : four nineteenth-century diaries / / edited by James Fairhead ... [et al.] |
|
|
|
|
|
|
|
Pubbl/distr/stampa |
|
|
Bloomington, : Indiana University Press, c2003 |
|
|
|
|
|
|
|
ISBN |
|
0-253-11004-1 |
0-253-10028-3 |
|
|
|
|
|
|
|
|
Descrizione fisica |
|
|
|
|
|
|
Altri autori (Persone) |
|
SimsJames L |
SeymourGeorge L |
AndersonBenjamin J. K. <b. 1834.> |
FairheadJames <1962-> |
|
|
|
|
|
|
|
|
Disciplina |
|
|
|
|
|
|
Soggetti |
|
African Americans - Liberia - History - 19th century |
African Americans - Liberia |
African Americans - Guinea - History - 19th century |
African Americans - Guinea |
Liberia Discovery and exploration |
Guinea Discovery and exploration |
|
|
|
|
|
|
|
|
Lingua di pubblicazione |
|
|
|
|
|
|
Formato |
Materiale a stampa |
|
|
|
|
|
Livello bibliografico |
Monografia |
|
|
|
|
|
Nota di bibliografia |
|
Includes bibliographical references (p. 403-450) and index. |
|
|
|
|
|
|
Nota di contenuto |
|
The Liberia of the journeys -- Journeys in the interior -- James L. Sims, 1858 -- George L. Seymour, 1858 -- Benjamin Anderson, 1868-69 -- Benjamin Anderson, 1874 -- The journeys and the interior. |
|
|
|
|
|
|
|
| |