Agriculture Week back issues from December 2008:
Studies from University of Guelph yield new information about science.
Dec 04, 2008 ... According to a study from Guelph, Canada, "Farming systems research is a multi-disciplinary holistic approach to solve the problems of small farms. Small and marginal farmers are the core of the Indian rural economy Constituting 0.80 of the total farming community but possessing only 0.36 ...
Findings from G. Marion and co-researchers advance knowledge in agricultural research.
Dec 04, 2008 ... According to a study from Scotland, "Many of the most pervasive disease challenges to livestock are transmitted via oral contact with faeces (or by faccal-aerosol) and the current paper focuses on how disease risk may depend on: spatial heterogeneity. animal searching behaviour, different ...
Data on aquatic research detailed by researchers at Huazhong Agricultural University.
Dec 04, 2008 ... According to recent research from Wuhan, People's Republic of China, "A 12-week feeding trial was carried out in fibreglass tanks to examine partial replacement of fish meal (FM) with poultry by-product meal (PBM), meat and bone meal (MBM) and blood meal (BM) in practical diets for gibel ...
Research from T. Serra and colleagues has provided new data on agricultural economics.
Dec 04, 2008 ... "The growing importance of economic factors in farmers' decisions to go organic has raised interest in characterizing the economic behavior of organic versus conventional farms. In general, published analyses so far have not considered differential uncertainties, abilities to control ...
Reports summarize botany research from China Agricultural University.
Dec 04, 2008 ... According to recent research from Beijing, People's Republic of China, "The main objective of the present study was to investigate phosphorus (P) dynamics in the rhizosphere of durum wheat (Triticum turgidum durum L.) and common bean (Phaseolus vulgaris L.) grown in monocropping and ...
Reports on plant production science findings from China Agricultural University provide new insights.
Dec 04, 2008 ... "Seeds of five maize inbred lines, including 3681-4, were treated with gibberellin A(3) (GA(3)) and uniconazole (UCZ) under deep seeding and shallow seeding in order ot elucidate the physiological mechanism of maize mesocotyl eleogation under different seeding depths. GA3 was the most ...
Investigators at China Agricultural University target invertebrate pathology.(Report)
Dec 04, 2008 ... According to a study from Beijing, People's Republic of China, "In this study, interactions between Cry1Ac, a toxic crystal protein produced by Bacillus thuringiensis (Berliner), and Beauveria bassiana on the mortality and survival of Ostrinia furnacalis was evaluated in the laboratory ....
Recent studies from Huazhong Agricultural University add new data to molecular biology.
Dec 04, 2008 ... According to recent research from Wuhan, People's Republic of China, "Cotton (Gossypium L.) fiber is a unique experimental system for studying plant cell elongation and cell wall biogenesis. Arabinogalactan proteins (AGPs) are extracellular proteoglycans and play important roles in various ...
Scientists at Punjab Agricultural University detail research in soil science.
Dec 04, 2008 ... "The physical quality of the soil, which creates suitable environment for the availability and uptake of the plant nutrients, is generally ignored. Though the effect of organic manures on soil physical quality has been widely appreciated but that of inorganic fertilizers is studied to a ...
Study results from J.R. Wei et al provide new insights into forest entomology.
Dec 04, 2008 ... According to a study from Beijing, People's Republic of China, "1 Chemical cues involved in host location by Dastarcus helophoroides (Fairmaire) (Coleoptera: Bothrideridae), a parasitoid of Anoplophora glabripennis Motschulsky, Monochamus alternatus Hope, Massicus raddei (Blessig), Apriona ...
Investigators at University of Arkansas release new data on crop research.(Report)
Dec 04, 2008 ... "Salinity has been recognized as a constraint for soybean [Glycine max (L.) Merr.] production in many regions worldwide. Fortunately, genetic variation in salt tolerance is available in the soybean germplasm bank," scientists in the United States report. "However, current ...
Reports outline forestry study findings from University of Joensuu.(Report)
Dec 04, 2008 ... According to a study from Joensuu, Finland, "Angle count or relascope sampling has traditionally been used in forestry to estimate stand basal area. In this paper, we present an extension to the basal area relascope, the crown relascope, which differs from the normal relascope in that the ...
Reports outline energy research study findings from National Institute of Standards and Technology.
Dec 04, 2008 ... "There is a need to explore potential hazard scenarios associated with several specific thermodynamic processes involving the storage and use of hydrogen subjected to thermal exposures. A potential real-life scenario is the heating of a hydrogen storage vessel abroad a hydrogen-powered ...
Data on feed science detailed by A. Nurfeta and co-authors.(Report)
Dec 04, 2008 ... According to recent research from Norway, "Enset (Ensete ventricosum), also known as 'false banana', is a perennial herbaceous monocarpic plant, which grows in the southern and south-western parts of Ethiopia for human consumption and animal feed. The objective of this study was to ...
New food science findings from D.W. Cullen and co-researchers published.
Dec 04, 2008 ... "High erucic acid oilseed rape (HEAR) was tested as a source crop for estimates of regional geneflow. Two methods to detect HEAR in low erucic acid oilseed rape (LEAR) were compared: real-time quantitative PCR (qPCR) and gas chromatography (GC)," scientists in Scotland report. ...
New findings from N.K. Gontia and co-authors describe advances in water management.(Report)
Dec 04, 2008 ... According to a study from Kharagpur, India, "This study was conducted to develop the relationship between canopy-air temperature difference and vapour pressure deficit for no stress condition of wheat crop (baseline equations), which was used to quantify crop water stress index (CWSI) to ...
Reports on dairy science findings from Agricultural University provide new insights.
Dec 04, 2008 ... According to a study from Athens, Greece, "The effect of high-pressure (HP) processing (200, 450 or 650 MPa) at various temperatures (20, 40 or 55 degrees C) on the total plasmin plus plasminogen-derived activity (PL), on plasminogen activators (PA), on protease activity (which seemed to ...
Studies from University of Kentucky yield new data on seed science.
Dec 04, 2008 ... "Previous studies indicated that seeds of Viburnum odoratissimum had only physiological dormancy (PD), but no measurements of embryos were made during the dormancy-break treatments. Thus, we investigated embryo growth and radicle and cotyledon emergence over a range of temperatures," ...
Researchers from Virginia Commonwealth University describe findings in tobacco research.
Dec 04, 2008 ... "Several potential reduced exposure products (PREPs) for smokeless tobacco (SLT) users are marketed in the United States, though their effects are largely unknown. These products include some that are low in tobacco-specific nitrosamines (TSNs), like Stonewall, a pressed tobacco tablet, ...
Research on agricultural research published by scientists at Harper Adams University College.(Report)
Dec 04, 2008 ... "Previous work has shown that the national average quality of the UK wheat crop from 1974 to 1999 was associated with the preceding winter North Atlantic Oscillation (NAO). The association of the winter NAO with the grain quality measure, specific weight, was shown to be mediated by ...
Research from V. Junttila and co-authors in the area of forestry published.
Dec 04, 2008 ... "In this article, a new method is applied to modeling forest stand characteristics from airborne laser scanning measurements. The method is an alternative to the cross-validation procedure of variable selection used in the ordinary least-squares (OLS) method and seemingly unrelated ...
Study findings from Federal University of Minas Gerais provide new insights into forestry.
Dec 04, 2008 ... "For the purpose of reforestation and wood supply the leguminous tree Anadenanthera peregrina, a native species, was intercropped with Eucalyptus camaldulensis in a degraded semiarid area of Brazil. Single and mixed stands of these species were inoculated with Rhizobium and/or arbuscular ...
New forestry findings from Massey University published.
Dec 04, 2008 ... According to recent research from Palmerston North, New Zealand, "There is worldwide interest in monitoring changes in forest area for carbon budgeting and assessing biodiversity changes. For cost-effective monitoring over large areas, automated mapping is necessary." "However, ...
Study data from Zhejiang University provide new insights into food science.(Report)
Dec 04, 2008 ... "Glycerol plasticised wheat gluten shows advantages for non-food applications such as biodegradable package films and bioplastics because of their abundant resources, low cost, good biodegradability and suitable mechanical and oxygen barrier properties. The intention of this study was to ...
Study data from University of Wisconsin update understanding of food science.
Dec 04, 2008 ... According to recent research published in the Journal of the Science of Food and Agriculture, "In order to explore the differences in rheological behaviour of full formula and flour/water doughs due to mixing, small-amplitude oscillatory strain (SAOS) rheological measurements were made on ...
Research on science detailed by scientists at Department of Agriculture.
Dec 04, 2008 ... According to recent research published in the journal Soil & Tillage Research, "Grazing of cover crops in grain cropping systems can increase economic return and diversify agricultural production systems, but the environmental consequences of this intensified management have not been well ...
Reports summarize forestry research from T. Piri and co-authors.
Dec 04, 2008 ... According to recent research from Vantaa, Finland, "Genets of Heterobasidion were identified in eight 43- to 56-year-old Norway spruce (Picea abies (L.) Karst.) stands in southern Finland. Four of the stands had been thinned in winter ca. 10ayears prior to the study, and four had been left ...
Research from University of Quebec yields new data on forestry.
Dec 04, 2008 ... "Allometric equations for estimating foliage biomass, sapwood area, and branch basal area from tree diameters and crown lengths for jack pine (Pinus banksiana Lamb.) in eastern Canada were calibrated using mixed models. A first model is presented that relates branch foliage biomass to ...
Findings from University of Vigo advance knowledge in food science.
Dec 04, 2008 ... According to recent research published in the Journal of the Science of Food and Agriculture, "Mild acid treatments of vine-shoot trimmings result in the hydrolysis of hemicellulosic sugars that can be utilised by Lactobacillus acidophilus CECT-4179 (ATCC 832) and Debaryomyces hansenii ...
Research on forestry described by scientists at Michigan Technological University.(Report)
Dec 04, 2008 ... "Diameter distributions are frequently used to describe northern hardwood stand structure and serve as a structural guide for management. Several diameter distribution shapes have been found in managed and unmanaged uneven-aged northern hardwood stands, and it is unclear which patterns are ...
Research from N. Dediego and co-authors in the area of forestry published.(Report)
Dec 04, 2008 ... According to a study from Vitoria, Spain, "Regeneration of adult conifer trees by means of in vitro culture has been the subject of intense study during the last 20 years. Propagation by tissue culture may become the best method for obtaining multiple identical trees and for capturing the ...
New feed science study findings have been published by scientists at University of Udine.(Report)
Dec 04, 2008 ... "The aim of this study was to investigate changes over time in chemical composition, digestibility and net energy for lactation (NEl) contents of 12 species of alpine pastures during the vegetative season (i.e., Agrostis tenuis, Anthoxanthum alpinum, Carex sempervirens, Festuca rubra, ...
New feed science study findings reported from P.D. Le and co-authors.
Dec 04, 2008 ... According to a study from Netherlands, "An experiment was conducted in growing pigs to determine the effects of content of potentially fermentable protein (FP) on odour and ammonia emissions from pig manure and on manure characteristics. Pigs (n = 18) were allocated in a randomised ...
Research in the area of food science reported from University of Manitoba.(Report)
Dec 04, 2008 ... According to recent research published in the Journal of the Science of Food and Agriculture, "The purpose of this study was to quantify growing season weather and wheat quality at individual producer fields to understand weather impacts and develop weather-based models of spring wheat ...
Tarbiat Modares University details research in agricultural research.
Dec 04, 2008 ... "Genotype by environment (G x E) interaction effects are of special interest for breeding programmes to identify adaptation targets and test locations. Their assessment by additive main effect and multiplicative interaction (AMMI) model analysis is currently defined for this situation," ...
Research results from J. Necajeva and colleagues update understanding of seed science.
Dec 04, 2008 ... "Seed salinity tolerance and dormancy play important roles in germination behaviour," researchers in Riga, Latvia report. "The effects of NaCl concentration and different dormancy-breaking treatments on germination were determined for six species growing on the coasts of the ...
Research from Montana State University has provided new data on forest entomology.
Dec 04, 2008 ... According to a study from the United States, "1 Parasitoids Bracon cephi (Gahan) and Bracon lissogaster Muesebeck and their herbivorous host the wheat stem sawfly Cephus cinctus Norton, a pest of wheat Triticum aestivum, were investigated for yield in T. aestivum grown in the field. 2 ...
Research results from R.M. Nelson and colleagues update understanding of forestry.
Dec 04, 2008 ... "Fire managers often model pine needles as 1 h timelag fuels, but fuelbed properties may significantly change the rate at which needles exchange moisture with the atmosphere. The problem of determining whether moisture loss from fine fuels is being controlled by individual particles or by ...
Data on forest entomology published by J.M. Villacide and colleagues.
Dec 04, 2008 ... "1 Sirex noctilio F. (Hymenoptera: Siricidae) is a wood-boring wasp that attacks many pine species, including commercial trees planted throughout the world. Management of its populations is largely based on biological control using the nematode Beddingia siricidicola," scientists in ...
Reports from T. Bernard and colleagues advance knowledge in agricultural economics.
Dec 04, 2008 ... "This article examines the impact of marketing cooperatives on smallholder commercialization of cereals using detailed household data in rural Ethiopia. We use the strong government role in promoting the establishment of cooperatives to justify the use of: propensity score matching to ...
New feed science study findings have been published by scientists at Federal University.
Dec 04, 2008 ... "Autoclave procedures for annylase-treated neutral (aNDF) and acid detergent fibre (ADF) analysis in concentrate and forage feedstuffs were evaluated. Dried and ground samples were weighed in polyester filter-bags, heat sealed, placed into a 500 ml Erlenmeyer flask and treated with neutral ...
Recent findings from Department of Agriculture highlight research in crop research.
Dec 04, 2008 ... "Methionine is an essential amino acid that is limiting in maize- (Zea mays L.) based diets. The objective of this work was to determine whether we could alter grain methionine concentration in random-mated maize populations by mass selection for methionine concentration using a microbial ...
New research on feed science from D. Owens and co-authors summarized.
Dec 04, 2008 ... According to a study from Ireland, "The effect of increasing grass regrowth interval (RI) (28 days vs. 38 days (d)) on zero-grazed intake, rumen fermentation, in situ degradability, rumen digesta kinetics and nutrient flow to the omasum, was determined in six ruminally cannulated ...
Research on forestry detailed by scientists at University of Tennessee.
Dec 04, 2008 ... "Disturbances related to silvicultural activities are inevitable and may facilitate the spread of established populations of exotic species. Microstegium vimineum is an annual exotic grass that has spread throughout the eastern United States," researchers in the United States report. ...
Researchers at University of Tehran publish new data on dairy science.
Dec 04, 2008 ... According to recent research from Iran, "As differences in protein composition between camel and bovine milk may influence their digestibility, hydrolysis of milk proteins of both species using two pancreatic serine proteases (trypsin and chymotrypsin) was studied. Caseins (CNs) were more ...
New seed science research from Y.F. Ren and co-researchers described.
Dec 04, 2008 ... "The rice (Oryza sativa L.) cv. Taichung 65, a japonica subspecies, was used to characterize the isoform, protein and gene expression patterns of endo-beta-mannanase during and after seed germination," researchers in Guangzhou, People's Republic of China report. "Activity ...
New findings from University of Agriculture in the area of food science published.
Dec 04, 2008 ... "The solid state fermentation tempeh type is known to result in the decomposition of anti-nutrients and the improvement of nutritional value of legume seeds. The aim of the research was to study the influence of tempeh fermentation and conventional cooking on (1) levels of ...
Scientists at Huazhong Agricultural University target forestry.
Dec 04, 2008 ... "Five Aigeiros section poplar clones were adopted as parents to produce five full-sib families through cross-breeding. Morphological, ecophysiological, and growth characteristics of the five parents and their 15 superior F1 generations were investigated during 45 days of flooding followed ...
Reports on forestry findings from W.D. Pitman and co-researchers provide new insights.
Dec 04, 2008 ... According to recent research from the United States, "The tree legume Albizia julibrissin Durazz. has potential as a forage plant to overcome forage quality limitations to animal performance on warm-season grass pastures in the southeastern USA. Hardseededness and slow establishment are ...
Study findings from North Carolina State University, Department of Agriculture provide new insights into crop research.
Dec 04, 2008 ... According to recent research published in the journal Crop Science, "Maize inbred lines with expired Plant Variety Protection Act (PVPA) certificates are publicly available and potentially represent a new germplasm resource for many public and private breeding programs. However, accurate ...
Research from Louisiana State University provide new insights into seed science.(Report)
Dec 04, 2008 ... According to recent research from the United States, "While red rice (Oryza sativa L.) can remain dormant and viable for many years when fully imbibed, the environmental factors that stimulate germination or induce secondary dormancy in the field have not been characterized. In this study, ...
Research from Ocean University of China provides new data on food science.
Dec 04, 2008 ... "Trypsin inhibitors are among the most important antinutritional factors in legumes. Recent research has shown that soybean trypsin inhibitor (SBTI) exhibits multiple bioactivities, but very few studies on the purification of SBTI are available," researchers in Qingdao, People's Republic ...
Recent studies from University of Nebraska add new data to crop research.(Report)
Dec 04, 2008 ... "Triticale (xTriticosecale Wittmack) is mainly used as a forage crop in the central Great Plains. A successful triticale cultivar should have high forage yield with good quality, and also high grain yield so the seed can be economically produced," scientists in the United States report. ...
Investigators at Technical University have published new data on forest entomology.
Dec 04, 2008 ... According to recent research from the United States, "1 A 2-year field study was conducted to generate data on seasonal abundance patterns of cotton aphids Aphis gossypii Glover and to develop a mechanistic model based on cumulative population size. The treatments consisted of three ...
New data from University of Tsukuba illuminate research in crop research.(Report)
Dec 04, 2008 ... "We previously identified two anthocyanins, malvidin 3,5-di-O-glucoside and delphinidin 3,5-di-O-glucoside, in flower petals of soybean cultivars with purple flowers, 'Harosoy' and 'Clark'. However, two other anthocyanins found by high performance liquid chromatography (HPLC) analysis ...
Research from J.B. Brandsma and co-authors reveals new findings on dairy science.
Dec 04, 2008 ... According to a study from Netherlands, "The natural diversity of Lactococcus lactis was studied with respect to the flavour-generating enzymes leucine (Leu-AT) and aromatic (AraT) aminotransferase, and hydroxyisocaproic acid dehydrogenase (HicDH). The screening of 175 L. lactis strains ...
Findings in forestry reported from L.L. Hu and co-researchers.
Dec 04, 2008 ... "Understory light is essential to the establishment and growth of understory plants and varies temporally and spatially within gaps. The previously defined gap light index (GLI) is a good model for assessing understory light levels, but it is time-consuming to determine gap coordinates, ...
Research conducted at North Carolina State University has updated our knowledge about forestry.
Dec 04, 2008 ... According to a study from the United States, "Controlled inoculations with 10 bulk inocula of Cronartium quercuum (Berk) Miyabe ex Shirai f.sp. fusiforme were carried out on open-pollinated progeny of 25 fast-growing Pinus taeda L. parents. The parents had a range of breeding values for ...
Studies from Columbia University yield new data on agricultural economics.
Dec 04, 2008 ... "Extreme interannual variability of precipitation within Ethiopia is not uncommon, inducing droughts or floods and often creating serious repercussions on agricultural and nonagricultural commodities. A dynamic climate module is integrated into an economy-wide model containing a detailed ...
Findings in crop research reported from Oklahoma State University.
Dec 04, 2008 ... According to a study from the United States, "Cotton (Gossypium hirsutum L.) genetically modified to express protein(s) derived from the soil bacterium Bacillus thuringiensis (Bt), and specifically toxic to caterpillar (Lepidoptera) pests, has been sold commercially since 1996. On the ...
Findings in food science reported from Ankara University.
Dec 04, 2008 ... "The present study was carried out to determine the effects of feeding diets with two different levels of metabolisable energy (ME) (11.51 or 10.88 MJ ME kg(-1) diet) and three different sources of fat (palm oil, sunflower oil or fish oil) with or without supplemental L-carnitine (0 or 500 ...
Researchers from Michigan State University publish new studies and findings in the area of crop research.
Dec 04, 2008 ... "Several new bacterial inoculant products have been introduced for use as a soybean [Glycine max (L.) Merr.] seed treatment. A 3-yr study over 16 site-years determined whether soybean seed inoculation had an effect on grain yield, if yield or growth differences occurred between soybean ...
Recent studies from University of Missouri add new data to crop research.
Dec 04, 2008 ... According to a study from the United States, "Plant ureases have long been known for their ureolytic activities, dependent on a Ni metallocenter active site. We report here on more recently discovered novel toxic properties of ureases-properties independent of enzyme activity." ...
Research from R. Rosenvald et al has provided new information about forestry.
Dec 04, 2008 ... According to a study from Tartu, Estonia, "Survival of live retention trees is a key issue for stand-scale applications of natural-disturbance-based silviculture. We explored the survival of 3255 trees in 102 cut areas (mean size 2.3aha) in Estonia for 6 years, focusing on spatial ...
Scientists at University of Western Ontario describe research in forestry.
Dec 04, 2008 ... According to recent research published in the journal Forest Science, "Landscape-scale tree stem diameter distributions contain information that is potentially useful for evaluating the structural sustainability of forests, describing the impacts of past disturbances, and predicting future ...