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  • Articles  (18)
  • Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition  (18)
Document type
  • Articles  (18)
Journal
  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 28 (1973), S. 0 
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 46 (1991), S. 0 
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Preliminary studies were carried out on the effect of stocking rate during late autumn on a continuously stocked Lolium perenne-dominated sward at an upland site in central Scotland. Measurements were made of L. perenne tiller population density on 29 September and 2 November and of L. perenne net production, mean sward height and total herbage mass in early and late October and early and late November. Stocking rates were 12 ewes per ha during October and 8 and 16 ewes per ha during November. Sward height and herbage mass declined with time and more rapidly at the higher stocking rate. L. perenne growth per tiller and per unit area was influenced by time but not by stocking rate and was closely related to the 5·5°C soil temperature at 10 cm depth. Tiller senescence was greatly reduced at the higher stocking rate and/or the consequentially lower sward height and herbage mass. Tiller net production was therefore sustained at a positive level on the higher stocked sward throughout November while on the lower stocked sward it fell below zero early in November.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 51 (1986), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Enterotoxigenicity and conventional tests for identification of Staphylococcus aureus were correlated for strains of staphylococci isolated from foods. These strains were examined for enterotoxin production, colonial morphology on Baird-Parker agar, coagulase activity with rabbit and pig plasma, thermostable nuclease (TNase) production, lysostaphin sensitivity and anaerobic utilization of glucose and mannitol. Enterotoxins A,B,C,D, and E were produced singly or in combination by 100 of the S. aureus strains; 51 strains produced no enterotoxin. False-negative rates in identifying the enterotoxigenic group as typical S. aureus were as follows: 11% for colonial morphology on Baird-Parker agar, 8% for coagulase activity with Difco rabbit plasma, 7% for TNase production, 4% for lysostaphin sensitivity and 2% and 4%, respectively, for the anaerobic utilization of glucose and mannitol. Consequently, none of these tests was reliable for differentiating toxigenic from nontoxigenic S. aureus..
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 21 (1956), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 21 (1956), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Forest Ecology and Management 69 (1994), S. 199-209 
    ISSN: 0378-1127
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Nutrient cycling in agroecosystems 43 (1995), S. 21-29 
    ISSN: 1573-0867
    Keywords: forests ; fertiliser ; application ; fertiliser-types ; plant nutrition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract While part of the world is still being deforested, in another part agricultural land is being relinquished and forests are being replanted. The common factor that links these divergent trends is that foresters have had very little choice over which land changes use and tended to get land agriculturalists do not want. Some has been poor, infertile land. Thus forestry today is practised on land some of which is inherently susceptible to nutrient deficiency. Although natural forest is rarely nutrient deficient there are fewer and fewer places where truly natural forest exists. Past nutrient removals in timber, branches, leaves and even forest floor litter have interrupted the nutrient cycle. The land coming back into forestry from agriculture can suffer deficiencies caused by past agricultural history. Thus nutrient deficiency can be expected, and fertiliser use will be an important component of managing these forests. There are certain factors relating to forest fertilisation that distinguish it from agricultural fertiliser practice. 1. Foresters generally are reluctant to use fertiliser. This is partly because of the uncertainty of obtaining an effective and economic response and partly because of the environmental overlay associated with forests. 2. Foresters are more ready to use fertilizers to protect their crop from gross damage (because that is more easily defined) than they are just to increase yield (because they have been unable to justify this in economic terms). 3. Forest land can be rough or steep and the crop itself is dense. Land-based applications of fertiliser are difficult. Aerial applications predominate. Compared to agricultural use, the cost of application is high relative to the cost of the fertiliser, however the total cost over the life of the crop is likely to be less than in a succession of annual crops. 4. There is only limited sideways nutrient transfer within the crop, hence accurate application is essential. 5. There are considerable advantages to using slow release fertilisers to lengthen the duration of response. 6. The nutritional management of plantations on poor soils can be very complex because the fertiliser need varies both in quantity and quality over time.
    Type of Medium: Electronic Resource
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  • 8
    facet.materialart.
    Unknown
    Chicago : Periodicals Archive Online (PAO)
    Agricultural History. 53:1 (1979:Jan.) 22 
    ISSN: 0002-1482
    Topics: History , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Wood science and technology 20 (1986), S. 185-200 
    ISSN: 1432-5225
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Summary The conversion of red alder (Alnus rubra Bong.) into structural lumber using the Saw-Dry-Rip (SDR) process was analyzed by comparing product yield and quality from conventional and SDR conversion processes and from conventional and high temperature drying schedules. A limited economic assessment was also made. It was found that conventionally processed studs had 53% rejects due to warp which was reduced to 6.1% by using the SDR process and high temperature drying. Site had a significant effect on degree of warp. Based on qualities other than warp, 91% of all studs produced met the STUD grade. No difference was found between the strength related properties of high-temperature and conventionally dried material. Excluding material and processing costs, the product value of the SDR processed material was increased 26.6% over conventionally processed material.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Plant and soil 36 (1972), S. 331-347 
    ISSN: 1573-5036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Slash pine seedlings on Bladen, Leon, and Lakeland soils responded differently to P and N fertilization. Seedling growth was increased by all treatments on Bladen soil, whereas responses by seedlings on the other soils were nil. All soils were low in extractable P with both Bladen and Lakeland yielding 0.85 ppm P. Growth response to fertilizer was positive on Bladen soil because soil and tissue levels of P were raised above “critical” levels and other nutrients were present in adequate quantities. Tissue analyses indicated, and subsequent experiments utilizing macro- and micronutrients proved, that excess P applications reduced certain micronutrients to growth-limiting levels on both Leon and Lakeland soils. Best growth on Leon soil occurred when P and N were supplemented with Cu. On the Lakeland soil macronutrients supplemented with Cu, Mn, or Zn produced greatest growth. Toxicity levels of five micronutrients on the latter soil also were determined.
    Type of Medium: Electronic Resource
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