搜索结果: 31-45 共查到“农学 weeds”相关记录45条 . 查询时间(0.156 秒)
Emergence and control of naturalized weeds, Barbarea vulgaris R. Br., Anthemis cotula L., and Matricaria inodora L., in wheat fields in northern Tohoku, Japan
Emergence and control naturalized weeds Barbarea vulgaris Matricaria inodora
2009/3/10
This research was conducted from 1994 through 2002 in the northern Tohoku region of Japan to determine the influence of herbicide application and timing and inter-row cultivation on the control of 3...
Development of detection kit for sulfonylurea resistant weeds of paddy field by the difference in their rooting responses
detection kit paddy weeds herbicide resistant sulfonylurea
2009/3/10
Development of detection kit for sulfonylurea resistant weeds of paddy field by the difference in their rooting responses.
Influence of shading and cutting down processing to the organogenesis of several native perennial weeds
native perennial weeds shading cutting down processing
2009/3/10
Influence of shading and cutting down processing to the organogenesis of several native perennial weeds.
Herbicidal efficacy of 4-ethyl-3-(3-fluorophenyl)-1-(3-trifluoromethylphenyl)pyrrolidin-2-one（MT-141）in the control of graminaceous and broad-leaved weeds in cotton
herbicidal activity diphenylpyrrolidinone bleaching cotton
2009/3/5
The herbicidal activity and properties of a diphenylpyrrolidinone, MT-141 [4-ethyl-3-(3-fluorophenyl)-1-(3-trifluoromethylphenyl)pyrrolidin-2-one], were examined. MT-141 controlled barnyardgrass (Ec...
Quantification of medicinally valuable weeds in oil palm plantations of Kerala
Quantification medicinally valuable weeds oil palm plantations Kerala
2009/2/20
The medicinally valuable weeds naturally growing in young, medium and mature plantations of oil palm were identified and quantified by stratified random sampling technique. Quantification of plant...
Studies on weeds and their intensity, frequency and association in bean fields in Erzurum provinces
weeds bean fields Erzurum provinces
2009/1/22
This study was carried out to determine the weeds causing problem in bean with their intensity, frequency and association in Askale, Dumlu, Pasinler and Tortum Districts of Erzurum in 1990 and 1995. I...
Studies on the species, density, frequency and sociability of sunflower weeds in Erzurum
species density frequency sociability of sunflower weeds Erzurum
2009/1/22
This study was carried out in order to determine the species, density, frequency and sociability of weeds in sunflower in Pasinler and Köprüköy districts of Erzurum in 1990 and 1995. In the...
Effect of Different Control Methods on Weeds, Yield Components and Nodulation in the Spring Lentil
Lentil weed herbicides nodulation Rhizobium
2009/1/13
This study was conducted on the lentil cultivar Malazgirt 89 during 1999 and 2000 to determine the most appropriate method for controlling weeds. In the experiments, hand hoeing, trifluralin, imazetha...
Pre and Post-sowing Control of Weeds, their Influence on Nutrient Uptake in Summer Irrigated Cotton (Gossypium hirsutum L.)
pre-sowing post-sowing stale seedbed weed density nutrient uptake
2010/11/11
In cotton, post sowing weed management is widely adopted by the farmers, which resulted
in substantial yield loss following undue delay in weeding. As timely weed control after establishment of the c...
Relative Host Status of Selected Weeds and Crops for Meloidogyne incognita and Rotylenchulus reniformis
Rotylenchulus reniformis Meloidogyne incognita Crops Selected Weeds
2008/5/19
Plant-parasitic nematodes that damage crops can also reproduce on weeds, thereby reducing the efficacy of nematode-suppressive crop rotations. The amount of reproduction by two important cotton pathog...
Effect of Bio-fertilizers and Root Exudates of Two Weeds as a Source of Natural Growth Regulators on Growth and Productivity of Bean Plants (Phaseolus vulgaris L.)
Bio-Fertilizers Root Exudates growth regulators BEAN (Phaseolus vulgaris L.)
2010/11/10
Two field experiments were carried out during the two successive summer seasons of 2004 and
2005 at the Experimental Station of National Research Center in Shalakan (Kaluobia Governorate), to investi...
Broadleaf weeds and sugar beet response to phenmedipham, desmedipham, ethofumesate and triflusulfuron-methyl
Broadleaf weeds sugar beet response phenmedipham, desmedipham, ethofumesate and triflusulfuron-methyl
2010/1/14
Broadleaf weeds and sugar beet response to phenmedipham, desmedipham, ethofumesate and triflusulfuron-methyl.
Effect of sulfonylurea herbicides on weeds and maize.
Sowing time affects the abundance of pests and weeds in winter rye
Oscinella frit Mayetiola destructor weeds crop establishment winter rye Secale cereale Finland
2010/8/10
Selection of an appropriate sowing time for some winter rye (Secale cereale) cultivars could reduce the need for crop protection measures. In this study the occurrence and status of pests and weeds in...
Invasion of broad-leaved weeds into alfalfa stand during time of utilisation of alfalfa stands in low-input farming system
alfalfa weeds DM yield harvesting schedule weather conditions low-input farming system
2010/1/13
The objective of the investigation was to determine the percentage and yield of weeds in lucerne stands during the productive period. Different cutting regimes (first and final cut date and cutting fr...