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Vorfruchtwirkungen verschiedener Blattfrüchte auf Winterweizen und Einfluß von Anbaumaßnahmen

Vorfruchtwirkungen verschiedener Blattfrüchte auf Winterweizen und Einfluß von Anbaumaßnahmen Effects of preceding “break crops” on winter wheat and influence of cultural practices Between 1979—83 there was tested the effect of 5 “break crops” (biennial alfalfa, clover‐grass, faba bean, winter‐rape, silomaize) on succeeding winter wheat and the interaction with changed cultural practices such as N‐fertilization and conventional or reduced primary tillage (plough ↔ rotary tiller). After the break crops wheat yield decreased within a range of 4 dt/ha as follows: alfalfa → beans → rape/ clover‐grass/maize. Raising N‐fertilization hardly allowed to improve the value of the break crops; most likely that of maize and with rotavating. Adaption of N‐dressings promised greater influence. The manner of primary tillage exerted stronger influence on the yield than the level of N‐fertilization. Concerning long‐term yield the rotary tiller equaled the plough after 4 break crops; after faba bean it was superior. Increasing N‐fertilization tendentially favoured the rotary tiller after bean, rape and maize. Using the rotary tiller, at beginning of growth there may be calculated on 15 % higher NO3‐values and/or higher N‐mineralization or N‐transformation. Eyespot disease could not be prevented sufficiently and purposefully by an other break crop, N‐fertilization or primary tillage. Recurrent rotavating suppressed weed less than ploughing. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Agronomy and Crop Science Wiley

Vorfruchtwirkungen verschiedener Blattfrüchte auf Winterweizen und Einfluß von Anbaumaßnahmen

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References (19)

Publisher
Wiley
Copyright
Copyright © 1988 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0931-2250
eISSN
1439-037X
DOI
10.1111/j.1439-037X.1988.tb00325.x
Publisher site
See Article on Publisher Site

Abstract

Effects of preceding “break crops” on winter wheat and influence of cultural practices Between 1979—83 there was tested the effect of 5 “break crops” (biennial alfalfa, clover‐grass, faba bean, winter‐rape, silomaize) on succeeding winter wheat and the interaction with changed cultural practices such as N‐fertilization and conventional or reduced primary tillage (plough ↔ rotary tiller). After the break crops wheat yield decreased within a range of 4 dt/ha as follows: alfalfa → beans → rape/ clover‐grass/maize. Raising N‐fertilization hardly allowed to improve the value of the break crops; most likely that of maize and with rotavating. Adaption of N‐dressings promised greater influence. The manner of primary tillage exerted stronger influence on the yield than the level of N‐fertilization. Concerning long‐term yield the rotary tiller equaled the plough after 4 break crops; after faba bean it was superior. Increasing N‐fertilization tendentially favoured the rotary tiller after bean, rape and maize. Using the rotary tiller, at beginning of growth there may be calculated on 15 % higher NO3‐values and/or higher N‐mineralization or N‐transformation. Eyespot disease could not be prevented sufficiently and purposefully by an other break crop, N‐fertilization or primary tillage. Recurrent rotavating suppressed weed less than ploughing.

Journal

Journal of Agronomy and Crop Science – Wiley

Published: Apr 1, 1988

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