منابع مشابه
the possibility of chemical weed control in nursery of orange coneflower and moss rose
in order to investigate chemical control of weeds in nursery of orange coneflower and moss rose two experiments were conducted in randomized complete block design (rcbd) with four replications in 2011. treatments were per-plant trifluralin (ec48 percent) with and without incorporation with soil at 0.2 and 0.3 ml/m2, per-emergence and post-emergence oxyfluorfen (ec24 percent) at 0.2 and 0.3 ml/m...
متن کاملWeed Control in Nursery Field Production, EM 8899-E (Oregon State University Extension Service)
eld to prepare for planting, while the tractor and crew on the right are planting trees. This method provides a weed-free soil immediately after planting for preemergence herbicide applications. W eeds reduce the value of nursery crops. They compete with crops for nutrients, light, and water. Some vine weeds climb nursery crops, requiring excessive labor for hand removal. Most serious are peren...
متن کاملA Non-Chemical System for Online Weed Control
Non-chemical weed control methods need to be directed towards a site-specific weeding approach, in order to be able to compete the conventional herbicide equivalents. A system for online weed control was developed. It automatically adjusts the tine angle of a harrow and creates different levels of intensity: from gentle to aggressive. Two experimental plots in a maize field were harrowed with t...
متن کاملNon-chemical methods of weed control: benefits and limitations
Non-chemical methods of weed control will become increasingly important in Europe due to a lack of herbicides, increasing resistance and a new European Union (EU) requirement for use of IPM. Compared with herbicides, non-chemical methods tend to be less effective, more variable, more expensive, may not reduce the requirement for herbicides, provide little visual evidence of success, may have ad...
متن کاملWeed Control in Walnuts
Annual and perennial weed control trials were retreatedin Butte, Solano and Yolo counties. The diversified locations continue to provide a vital basis for applicable information on walnut tree tolerance to herbicides and on weed control efficacy. Herbicidal control of a wide spectrum of annual or perennial grass and broadleaf plants has been evaluated for the winter and summer periods of 1980. ...
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ژورنال
عنوان ژورنال: Proceedings of the New Zealand Weed Control Conference
سال: 1961
ISSN: 0370-0968,0370-0968
DOI: 10.30843/nzpp.1961.14.7474