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格陵兰NEEM冰芯元素铁研究获重要进展（图）
格陵兰 NEEM 冰芯元素 铁研究
2020/7/9
20世纪90年代初，约翰·马丁（John Martin）基于南极Vostok冰芯中铁元素与CO2浓度之间的显著负相关提出了著名的“铁假说”，即铁元素对“高营养盐、低叶绿素”海域浮游植物具有显著的施肥效应，促进其光合作用及对大气中CO2的吸收，从而调节全球大气中的CO2浓度。过去30年中，人们在海洋沉积物、冰芯、黄土等地质载体中，发现了大量不同时间尺度的“铁施肥”证据。但由于各地质体所处环境差异，越...
EXTRACTION OF ICE SHEET LAYERS FROM TWO INTERSECTED RADAR ECHOGRAMS NEAR NEEM ICE CORE IN GREENLAND
Cryosphere Ice sheet layering Radar echo sounding Sub-glacial ice flow NASA IceBridge
2016/11/23
Accumulation of snow and ice over time result in ice sheet layers. These can be remotely sensed where there is a contrast in electromagnetic properties, which reflect variations of the ice density, ac...
Effect of Neem Oil on Sperm Mitochondrial Activity
Normozoospermia Neem Oil Sperm Mitochondrial Activity
2015/7/15
It is a known fact that neem oil has some effect on motility of sperm. Motility of sperm depends on mitochondrial activity present in mid-piece of sperm. In the present study, the mitochondrial activi...
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...
The Potential of Beauveria brongniartii and Botanical Insecticides Based on Neem to Control Otiorhynchus sulcatus Larvae in Containerised Plants – Short Communication
Otiorhynchus sulcatus Beauveria brongniartii
2015/3/2
Otiorhynchus sulcatus is considered as an important pest of strawberry fields and on potted ornamental plants.
The efficacy to control this pest by new Polish products containing azadirachtin and th...
Comparative evaluation of modified neem leaf, neem leaf and woodash extracts on soil fertility improvement, growth and yields of maize (Zea mays L.) and watermelon (Citrullus lanatus) (Sole and Intercrop)
Modified Neem Leaf Neem Leaf Wood Ash Extracts
2013/2/27
Two field experiments were carried out at Akure (7oN, 5o101E) in the rainforest zone of Nigeria in 2006 and 2007 to determine the effectiveness of neem leaf, woodash and modified neem leaf extracts as...
The chronic effect of the botanical insecticide Neem EC on the pollen forage of the bumble bee Bombus terrestris L.
bumble bee B. terrestris L. Neem EC pollen forage legumes
2010/1/19
The botanical insecticide Neem EC is allowed for use as a pest control agent in
organic farming. Although the preparation is considered safe for honey bees, its effect on
bumble bees has been less...
Influence of Neem-Azal T/S on feeding activity of Colorado Potato Beetles (Leptinotarsa decemlineata Say)
Colorado Potato Beetles Neem-Azal T/S placement food consumption choice
2010/1/19
The influence of 0.3% water emulsion of Neem-Azal T/S on the behaviour and
feeding activity of Colorado Potato Beetles (Leptinotarsa decemlineata Say) has been
investigated. In choice test beetle...
Sterility Effect of the Commercial Neem Extract NeemAzal-T/S® (Azadirachta indica A. Jus.) on Male Rats (Rattus norvegicus)
Neem extract sterility histopathology hematology testosterone rodent pests
2010/3/25
Numerous studies with experimental animals have shown that neem seed extracts have transient and reversible effects on sterility. NeemAzal-T/S® (1%) was fed to 3 experimental animal groups via sto...
Experimental Investigation of Pongamia, Jatropha and Neem Methyl Esters as Biodiesel on C.I. Engine
Bio-diesel Non edible oils Transesterification
2010/1/15
The methyl esters of vegetable oils, known as biodiesel are becoming increasingly popular because of their low
environmental impact and potential as a green alternative fuel for diesel engine and the...
Sterility and Abortive Effects of the Commercial Neem (Azadirachta indica A. Juss.) Extract NeemAzal- T/S® on Female Rat (Rattus norvegicus)
Neem extract sterility abortion histopathology hematology progesterone
2010/3/25
Azadirachta indica A.Juss. (neem) is an important plant species with reported reversible infertility and spontaneous abortive properties. NeemAzal-T/S® 1% was fed to 3 experimental groups by stoma...
Effects of Neem and Diatomaceous Earth Against Myzus Persicae and Associated Predators in Addition to Indirect Effects on Artichoke Growth and Yield Parameters
Aphids artichoke diatomaceous earth neem predators vegetative growth yield parameters
2010/11/10
An important pest on artichoke is green peach aphid, Myzus persicae (Sulzer). The associated
predators of M. persicae, such as the coccinelids, Chrysopid and Anthocorids were recorded. In the present...
Influence of Planting Techniques and Amendments on the Performance of Neem (Azadirachta Indica) and Changes in Soil Properties in Rainfed Alkali Soil
Alkali soil augur hole gypsum spent wash reclamation neem tree growth
2010/11/9
A field experiment was conducted at Agricultural College and Research Institute Farm, Trichy in an alkali soil (EC 0.18 dSm-1, pH 8.65 and ESP 25.6) receiving an average annual rainfall of 754 mm. Nee...
Effects of biopesticide Neem EC on the Large White Butterfly, Pieris brassicae L. (Lepidoptera, Pieridae)
biopesticide Neem EC the Large White Butterfly
2010/1/14
Effects of biopesticide Neem EC on the Large White Butterfly, Pieris brassicae L. (Lepidoptera, Pieridae).
IMPACT OF MONOCROTOPHOS AND NEEM OIL MIXTURE ON DEFOLIATOR MANGMENT IN GROUNDNUT
neem oil intercropping groundnut production
2010/12/2
The integrated effect of intercropping, a synthetic pesticide (monocrotopas) (M) and neem based biopesticide (neem oil - 2%) (NO) on three-groundnut defoliators damage and also the groundnut productio...