搜索结果: 31-45 共查到“农学 weed control”相关记录50条 . 查询时间(0.122 秒)
Influence of vegetable and mineral oils on the efficacy of some post-emergence herbicides for grass weed control in wheat
adjuvants rate reduction weed control
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2009/3/5
Two field experiments in central Italy on wheat showed that the application rate of clodinafop-propargyl could be significantly reduced to 1/2 of the labelled rate to control oats and canarygrass, w...
Cost reduction in cabbage cultivation by weed control using oryzalin herbicide and hoeing technology
Cabbage cultivation oryzalin herbicide economics analysis
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2009/3/4
One pre‑emergent application of oryzalin 40% SC herbicide and one hoeing was found to control maximum pests of cabbage crop. By following proper date of sowing of cabbage crop and contr...
Critical period of weed control in winter lentil under non-irrigated conditions in Turkey
Lentil critical period weed competition weed interference
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2009/3/4
This study was conducted during the growing seasons of 1998 - 1999 and 2003-2004 to determine the critical period of weed control (CPWC) in winter-lentil (cv. Sazak-91). The experiments were lai...
Chemical and Agronomical Weed Control in Chickpea（Cicer arietinum L. cv. Aziziye-94）
Chemical and Agronomical Weed Control Chickpea（Cicer arietinum L. cv. Aziziye-94）
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2009/1/15
This study was conducted in order to investigate the effect of 9 herbicides (Linuron, Methabenzthiazuron, Terbutryne, Imazethapyr, Pluazifop-P-butyl, Terbutryne+Propyzamide, Methabenzthiazuron+Propyza...
Determination of Optimum Weed Control Timing in Maize（Zea mays L.）
Maize (Zea mays L.) Weed control Critical period
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2009/1/13
In field experiments conducted in 2001 and 2002, the optimum timing for weed control in maize was investigated. Both experiments were designed according to randomized complete blocks, and Cyperus rot...
Integrated Weed Control in Sugar Beet through Combinations of Tractor Hoeing and Reduced Dosages of a Herbicide Mixture
Sugar beet weed control low-dose herbicide application tractor hoeing
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2009/1/12
Weed control is performed by hand in 83% of the sugar beet growing area in Turkey. Due to the movement of the labour force to industry recently, the lack of labour has led to a huge problem. Therefor...
Critical Period of Weed Control in Three Winter Oilseed Rape（Brassica napus L.）Cultivars
Biological yield canola critical period grain yield oil yield weed interference
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2009/1/9
Field experiments were carried out at the Agricultural Research Station, Faculty of Agriculture, University of Tabriz, in 2004-2005 and 2005-2006. Three winter oilseed rape cultivars (Okapi, Licord, a...
Relationship between Winter Cereal Cultivars as Living Mulch and Weed Control in Soybean Cultivation
living mulch multiplied dominance ratio
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2010/12/2
Weed control and soybean yield were used as measures of the efficacy of eighteen winter cereal cultivars as living mulch. Each cereal cultivar grew well until the beginning of July, and then gradually...
Evaluation of Strip Tillage on Weed Control, Plant Morphology, and Yield of Glyphosate-Resistant Cotton
Evaluation of Strip Tillage Weed Control Plant Morphology Yield of Glyphosate-Resistant Cotton
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2008/12/9
In 2001 and 2002, a field study was conducted in Quincy, FL, with glyphosate-resistant cotton (Gossypium hirsutum L.) to evaluate the influence tillage on weed control, plant development, and yield. T...
Efficient soil solarization for weed control in the rain-fed upland rice ecosystem
solarization LDPE film rice weed control herbicide
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2008/12/2
Weed competition causes significant damage (up to 90%) to crop yields. Weed control through chemical means in the form of herbicide is commonly used to kill weeds or inhibit their growth throughout t...
Thermal weed control in strawberry
thermal weed control shepherd's pure common groundsel common chick-weed
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2010/1/18
Thermal weed control in strawberry.
Cotton Tolerance and Weed Control with Preplant Applications of Thifensulfuron Plus Tribenuron
Preplant Applications Weed Control Cotton Tolerance
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2008/6/5
Successfully controlling weeds before planting cotton (Gossypium hirsutum L.) in reduced tillage systems enables growers to prevent early-season weed interference. Research was conducted in Louisiana ...
Monosodium Methanearsonate Influence on Broadleaf Weed Control with Selected Postemergence-Directed Cotton Herbicides
Broadleaf Weed Control Monosodium Methanearsonate Influence
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2008/5/16
Postemergence-directed herbicides are often applied with monosodium methanearsonate (MSMA) to increase control of emerged broadleaf weeds, grasses, and sedges in cotton (Gossypium hirsutum L.). Improv...
Pyrithiobac and Bromoxynil Combinations with MSMA for Improved Weed Control in Bromoxynil-Resistant Cotton
Bromoxynil-Resistant Cotton Bromoxynil Combinations with MSMA Pyrithiobac
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2008/5/13
Field studies were conducted to determine the tolerance of bromoxynil (3,5-dibromo-4- hydroxybenzonitrile)-resistant cotton (Gossypium hirsutum L. 'BXN 57') and weed control with pyrithiobac {2-chloro...
Effect of Sources of Nitrogen and Intercropping on Weed Control, Growth and Yield of Cotton
Cotton intercropping organic inorganic growth weeds and yield
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2010/11/11
Field experiments were conducted at Tamil Nadu Agricultural University, Coimbatore, India
during winter (August - January) seasons of 2002 - 03 and 2003 - 04 in cotton to evaluate the effect of inter...