搜索结果: 1-15 共查到“植物保护学 soil”相关记录23条 . 查询时间(0.39 秒)
Correlation of Chemical Analysis of Residual Levels of Aminocyclopyrachlor in Soil to Biological Responses of Alfalfa, Cotton, Soybean, and Sunflower
Aminocyclopyrachlor methyl bioassay herbicide herbicide residues
2015/12/23
Researchers, product registration personnel, and growers desire the ability to chemically detect residual amounts of
herbicides in soil at concentrations below those necessary to cause phytotoxicity ...
Effect of Nitrogen Addition and Weed Interference on Soil Nitrogen and Corn Nitrogen Nutrition
Duration of weed interference nitrogen uptake
2015/12/23
Weeds cause crop loss indirectly by reducing the quantity of resources available for growth. Quantifying the effects of weed
interference on nitrogen (N) supply, crop growth, and N nutrition may assi...
Real time PCR quantification of Sclerotium rolfsii in chilli tissue and soil
chilli root rot specific primer pair pathogen identification population detection population determination
2015/7/28
Root rot disease caused by Sclerotium rolfsii is one of the important factors limiting chilli production in southern China. Rapid methods of detection and identification of S. rolfsii are required for...
A Predictive Model for Soil Seed Bank Outcomes in the Pyrenophora semeniperda–Bromus tectorum Pathosystem
Pyrenophora semeniperda Drechslera campanulata
2015/3/11
Pyrenophora semeniperda is abundant in soil seed banks of Bromus tectorum, where it kills a fraction of seeds throughout
the year. The pathogen engages in a race with host seeds for endosperm resourc...
Field Efficacy of Neem (Azadirachta indica A. Juss) for Managing Soil Arthropods and Cercospora Leaf Spots Damage for Increased Yield in Peanut
Azadirachta indica A. Juss Arachis hypogeae L
2015/3/10
Field efficacy of neem (Azadirachta indica A. Juss) for managing soil arthropods and Cercospora leaf spots damage
to peanut was studied in Ghana from 2008 to 2010. Treatments consisted of neem kerne...
Spectrum of the Pests on Cereal Crops and Influence of Soil Fertilisation
spring barley winter wheat
2015/3/2
Our research was realised on spring barley and winter wheat in Nitra-Dolná Malanta during 2004–2006. We
found that the total occurrence of the pests had decreasing tendency. The flea beetle (Phyllot...
Effect of soil applied herbicides and depth of sowing on common cocklebur (Xanthium strumarium L.) and maize (Zea mays L.) emergence and early growth
Xanthium strumarium L. Zea mays L. herbicides
2015/3/1
Greenhouse trials were conducted during 2005 to investigate the effect of six soil applied herbicides on common cocklebur (Xanthium strumarium L.) sowed at a depth of 4 cm and 7 cm, and determine the ...
Soil compaction as the possible cause of wilting and premature ripening of sunflower – Short Communication
sunflower roots premature ripening soil compression soil aeration
2015/2/6
Brown patches of the size from several square metres to hectares or individual dying plants appeared in otherwise green stands. Affected plants wilt and ripen sooner than healthy ones, causing them to...
Identification of agricultural soils suitable for afforestation in the Czech Republic using a soil database
soil survey Evaluated Soil Ecological Units soil quality climatic change water retention
2015/5/6
Afforestation of agricultural lands may be a positive action in many cases. Especially, it is a beneficial feature for waterlogged soils, stony soils or for soils which are less fertile for any other ...
Soil–Occupancy Effects of Invasive and Native Grassland Plant Species on Composition and Diversity of Mycorrhizal Associations
Arbuscular mycorrhizal fungi crested wheatgrass invasion ecology invasive plants leafy spurge plant-soil feedback smooth brome soil legacy
2015/12/26
Diversified grasslands that contain native plant species can produce biofuels, support sustainable grazing systems, and produce other ecosystem services. However, ecosystem service production can be d...
Nematode infestation and N-effect of legumes on soil and crop yelds in legume-sorghum rotations
Legume Nematode Nitrogen Crop Rotation Sorghum
2013/3/4
The effects of cowpea (Vignaunguiculata) and-groundnut (Arachis hypogea) on succeeding sorghum yields, soil mineral N and nematode infestationwere studied during five cropping seasons (2000 to 2004) i...
Occurrence and distribution of soil nematodes in cotton (Gossypium hirsutum L.) production areas of Kenya
Cotton soil nematodes survey
2011/1/12
A baseline survey was conducted to determine the occurrence and distribution of soil nematodes associated with cotton in major growing areas in Kenya. Such baseline data on soil nematode abundance, di...
Association of maize streak virus disease and its vectors (Homoptera: Cicadelidae) with soil macronutrients and altitudes in Kenya
Agro-ecology Cicadulina nitrogen phosphorus potassium and elevation
2010/9/14
Maize (Zea mays L.) is a staple food for more than 100 million people in Africa. Its production is constraint by maize streak virus (MSV) disease. This study investigated the interrelationships betwee...
Influence of soil tillage methods on the weediness and yields of spring wheat, spring barley and field pea in organic crop rotation
annual weeds organic farming ploughing reduced tillage stubble cultivation wandering perennial weeds
2010/1/19
Influence of soil tillage methods on the weediness and yields of spring wheat, spring barley and field pea in organic crop rotation.
Non-chemical weed control in sugar beet crop under intensive and conservation soil tillage: I. Crop weediness
non-chemical weed control intensive and conservation soil tillage sugar beet crop mulch weeds
2010/1/19
According to the results of investigations, in conditions of intensive soil tillage the highest choking of weeds was observed by annual ryegrass (ARM) and white mustard (WMM) living
mulches. In suga...