Yields and root technological quality of sugar beet grown in crop rotation and long-term monoculture

The paper presents the findings of 6-year (1993-1998) investigations obtained in the field static experiment continued since 1967. This experiment concerned the estimation of the crop yield and its structure, and root technological quality under the conditions of crop rotation and extreme shortening...

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Published inRostlinná výroba Vol. 48; no. 10
Main Authors Rychcik, B, Zawislak, K. (Uniwersytet Warminsko-Mazurski, Olsztyn (Poland). Katedra Systemow Rolniczych)
Format Journal Article
LanguageEnglish
Published 01.10.2002
Subjects
AZUCAR
BETA VULGARIS
CARBOHYDRATE CONTENT
CHEMICAL CONTROL
CONTENIDO DE CARBOHIDRATOS
CONTROL QUIMICO
CROP ROTATION
EXPERIMENTACION EN CAMPO
EXPERIMENTATION AU CHAMP
FIELD EXPERIMENTATION
LUTTE CHIMIQUE
MONOCULTIVO
MONOCULTURE
PLANTAS AZUCARERAS
PLANTAS DE RAICES COMESTIBLES
PLANTE RACINE
PLANTE SUCRIERE
POLAND
POLOGNE
POLONIA
RENDEMENT
RENDIMIENTO
ROOT CROPS
ROTACION DE CULTIVOS
ROTATION CULTURALE
SUCRE
SUGAR
SUGAR CROPS
TENEUR EN GLUCIDES
YIELDS
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Summary:The paper presents the findings of 6-year (1993-1998) investigations obtained in the field static experiment continued since 1967. This experiment concerned the estimation of the crop yield and its structure, and root technological quality under the conditions of crop rotation and extreme shortening of the rotation, i.e. monoculture. Investigations have proved that under agroclimatic conditions of north-eastern Poland it is possible to obtain 60 t of roots per ha in a naturally correct crop rotation, while in a long-term monoculture - 33 t, and 36 t and 19 t of top, respectively. The differences in monoculture crops occurred as a result of a plant loss during germination by 5.6 %, and a smaller unit weight per root by 41.6 %. The applied procedures of plant protection by herbicides and fungicides improved the root and top crop and favored the maintenance of plant density. A lowering of saccharose content in roots from 15.7 % in the crop rotation to 15.0 % in monoculture was recorded, and of sugar yield in the technological process from 13.0 to 12.3 %, respectively. A high white sugar yield was obtained in crop rotation - 7.89 t per ha, while in monoculture it was only 4.06 t, i.e. 48.5 % less.
Bibliography:2003000104
F60
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ISSN:0370-663X