搜索结果: 1-12 共查到“作物学 weed control”相关记录12条 . 查询时间(0.187 秒)
Weed control in maize (Zea mays L.) with effective minimum rates of foramsulfuron
Weed maize foramsulfuron ED90 dose-response ammonium-sulfate
2010/2/24
Dose-response experiments were conducted under controlled conditions to determine the effective minimum rates (ED90) of foramsulfuron for 11 weed species that occur in maize growing areas in Turkey. A...
Effect of Chinese Milk Vetch (Astragalus sinicus L.) as a Cover Crop on Weed Control,Growth and Yield of Wheat under Different Tillage Systems
Chinese milk vetch Minimum tillage No-tillage Weed Control
2009/7/24
Reduced tillage systems are gaining popularity but weed control is often a limiting factor in the adoption of such systems. Cover crops have become a viable option for sustainable agriculture because ...
Non-chemical weed control in sugar beet crop under an intensive and conservation soil tillage pattern: II. Crop productivity
non-chemical weed control intensive and conservation soil tillage sugar beet crop mulch yield quality
2010/1/19
According to the results of the experiment, at lower temperature and average precipitation
vegetation conditions (2004), a significantly higher yield of sugar beet roots was found in
intensively t...
IMPACT OF SOIL CULTIVATION AND WEED CONTROL METHODS ON NUTRIENT YIELDS AND ECONOMIC EFFECTIVENESS OF POTATO CULTIVATION PART I. POTATO NUTRIENT YIELDS
soil tillage methods weed control methods tuber dry matter yield starch yield
2009/3/31
Research results come from a field experiment which was conducted over 2002-2004 at the Zawady Experimental Farm owned by the University of Podlasie, Siedlce (52o06’ N; 22o06’ E). Experimental design...
DYNAMICS OF FIELD WEED INFESTATION DEPENDING ON THE CROP SPECIES AND WEED CONTROL METHOD IN SPRING BARLEY
weeds buckwheat oat spring barley
2009/3/31
The 1999-2000 experiment investigated the field weed infestation, depending on the crop species (spring barley, oat, buckwheat), and weed control methods in spring barley (post-emergence harrowing, Ch...
Critical period of weed control in winter lentil under non-irrigated conditions in Turkey
Lentil critical period weed competition weed interference
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）
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
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...
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
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
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
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...
Biomass Production and Weed Control in Some Winter Cover Crops in Hokuriku District
Cover crops Above-ground biomass Plant residue mulch
2010/12/2
For the purpose of introduction cover crops into summer crop production in the Hokuriku district, grass (wheat, barley, rye and bristle oat), legume (hairy vetch, HV ; common vetch, CV ; milk vetch, M...