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  • Articles  (153)
  • 2015-2019  (70)
  • 2000-2004  (79)
  • 1960-1964  (4)
  • 1920-1924
  • Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition  (151)
  • Archaeology  (2)
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  • Articles  (153)
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  • 1
    Electronic Resource
    Electronic Resource
    Impact of water percolation on nutrient leaching from an irrigated paddy field in Japan (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Soil use and management 19 (2003), S. 0 
    Details
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. We examined the effect on soil nutrient status and sustainability of water percolation through an irrigated paddy field in Japan, to the depth of drainage (40 cm). The difference between amounts of nutrients leached by percolation and those supplied by irrigation indicated that 25–130 kg ha−1 Ca, 8–24 kg ha−1 Mg, from −1 to 9 kg ha−1 K, and 8–17 kg ha−1 Fe, respectively, were lost each year from the 0–40 cm soil layer during rice cultivation, when the supply from fertilization and rainfall and the loss in grain harvest were not accounted for. When the supply of K from rainfall and the loss in grain harvest were taken into account, a total K loss of about 10 kg ha−1 was estimated. The electrical neutrality of inorganic ions in the percolating water was always maintained. From these results we estimate that the amounts of exchangeable Ca and Mg in the soil to a depth of 40 cm would decrease by 50% within 50–260 and 30–100 years, respectively, if similar management were continued without fertilization. The total amount of carbon dioxide (ΣCO2) leached in percolating water during the period of rice cultivation was 120–325 kg C ha−1, which corresponded to 0.47–0.94% of the soil organic carbon to 40 cm depth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1475-2743.2003.tb00319.x
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  • 2
    Electronic Resource
    Electronic Resource
    Fungicide Decomposition, Degradation of Organomercury Fungicides in Soil (1964)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 12 (1964), S. 253-257 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf60133a019
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  • 3
    Electronic Resource
    Electronic Resource
    Inheritance and stability of the virus-resistant gene in the progeny of transgenic sweet potato (2002)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 121 (2002), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Viral diseases of sweet potato are very prevalent and often seriously damaging to the plants. In particular, the severe strain of the sweet potato feathery mottle virus (SPFMV-S) causes ‘obizyo-sohi’ disease in Japan. In order to confer viral resistance against SPFMV using current biotechnology, a transgenic sweet potato has been produced, introducing hygromycin-resistant (hpt) and SPFMV-S coat protein (CP) genes, which have shown a significant resistance to SPFMV-S. In the breeding programme, it is important to confirm that the viral resistance conferred in T0 plants can be inherited by their progeny. In the present study, progeny were obtained from crosses between the transgenic T0 and a non-transgenic variety of sweet potato. The results showed that the CP gene was inherited by the next generation and that the stability of viral resistance was also confirmed. Thus, this production system for the virus-resistant transgenic sweet potato is useful in practical breeding.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1439-0523.2002.00709.x
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  • 4
    Electronic Resource
    Electronic Resource
    Pesticide Residues, Modified Analytical Method for Microgram Amounts of Metaldehyde in Plant Material (1964)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 12 (1964), S. 249-250 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf60133a017
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  • 5
    Electronic Resource
    Electronic Resource
    Humus composition of soils under forest, coffee and arable cultivation in hilly areas of south Sumatra, Indonesia (2001)
    Oxford, UK : Blackwell Science Ltd
    European journal of soil science 52 (2001), S. 0 
    Details
    ISSN: 1365-2389
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: To understand the effect of land use changes on the composition of humus in tropical soils, samples from land under primary forest, secondary forest, coffee plantation, and arable crops were investigated at three sites in south Sumatra, Indonesia. Total carbon and total nitrogen contents were 1.7 to 4.3 times and 1.1 to 2.8 times greater in the topsoil under primary forest than under the other types of land use. Following change from primary forest to other uses, the proportion of humic acids in the organic matter of the topsoils decreased while that of the fulvic acid fraction increased. Within the range of land uses, differences in the yields of humic acids and fulvic acid fractions were, respectively, larger and smaller than those in total carbon content. The humic acids were classified into the low and middle classes in the degree of humification. Absorption due to the green fraction of humic acids, Pg, was detected in the UV-visible spectra of almost all the humic acids. No relation was observed between the degree of humification of humic acids or the strength of Pg absorption in their spectra and land use change. The fulvic acid fractions were fractionated on insoluble polyvinylpyrrolidone (PVP) into the adsorbed fractions consisting of humic substances and the non-adsorbed fractions consisting of non-humic substances. A positive correlation between the amount of the fulvic acid fraction and the percentage of the PVP-adsorbed fraction within it indicated that the variation in the amount of the fulvic acid fraction was attributable to acid-soluble humic substances. The ionization difference spectra of solutions between pH 12 and pH 7 suggested that the chemical structures of the PVP-adsorbed fulvic acids have been altered by land use change.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2389.2001.00410.x
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  • 6
    Electronic Resource
    Electronic Resource
    Collagen as the Major Edible Component of Sea Cucumber (Stichopus japonicus) (2002)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 67 (2002), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The body wall collagen of an edible sea cucumber, Stichopus japonicus, was studied with respect to its chemical composition and subunit structure. About 70% of the total body wall protein was accounted for by highly insoluble collagen fibers. The disaggregation with β-mercaptoethanol, 0.1 M NaOH treatment, and limited pepsin digestion of these collagen fibers resulted in complete solubilization. The solubilized collagen was isolated and characterized; it had 2 distinct subunits, αl and α2, which formed (α1)2α2 heterotrimers and was rich in glutamic acid when compared with other fibrillar collagens. The unique textural properties of cooked sea cucumber seem to be due to thermal denaturation of the insoluble collagen fibers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2002.tb10281.x
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  • 7
    Electronic Resource
    Electronic Resource
    Preservation of Scallop Adductor Muscle in Oxygenated Artificial Seawater (2004)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 69 (2004), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: : Adductor muscles dissected from live scallops (Patinopecten yessoensis) were preserved in artificial seawater containing various concentrations of dissolved oxygen at 5°C. The period over that the initial ATP level was maintained decreased with a decrease in oxygen concentration. The K-value, an index of freshness, rose markedly after ATP levels and energy charge decreased. Muscle contraction occurred after 4 to 5 d in 1.0 mM oxygen or after 3 d in 0.07 mM oxygen. Sodium azide and 2,4-dinitrophenol accelerated the decrease in ATP, even in oxygenated seawater. These results suggest that enough oxygen to support aerobic respiration is required to preserve adductor muscles in a vital state for a relatively long period.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2004.tb06326.x
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  • 8
    Electronic Resource
    Electronic Resource
    Influence of Endogenous Proteases and Transglutaminase on Thermal Gelation of Salted Squid Muscle Paste (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 68 (2003), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: : Thermal gelation of salted squid mantle muscle paste was studied in relation to endogenous proteases and transglutaminase. Myosin in the paste was preferentially degraded into 130-kDa and 90-kDa fragments at an optimum temperature of 30 °C. Degradation was inhibited with EDTA or 1,10 phenanthroline, suggesting the presence of metalloproteases. Myosin degradation was markedly reduced above 40 °C. Although 10 mM Ca2+ increased cross-linking of myosin heavy chains by activating the endogenous transglutaminase, setting effect on thermal gelation of the paste was offset by degradation induced by simultaneously activated calpains. Ca2+ and the alpain inhibitor, E64, significantly improved the breaking strength and strain of thermal gels preincubated at 40 °C.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2003.tb07048.x
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  • 9
    Electronic Resource
    Electronic Resource
    Microbial community indigenous to the earthworm Eisenia foetida (2000)
    Springer
    Biology and fertility of soils 31 (2000), S. 187-190 
    Details
    ISSN: 1432-0789
    Keywords: Key wordsAeromonas hydrophila ; Bacteria diversity ; Eisenia foetida ; Farmyard manure ; Microbial community
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract  Microbial populations of the earthworm Eisenia foetida, their casts and farmyard manure (FYM) in which E. foetida had lived were enumerated with the dilution plate method using several media. The microbial community of earthworms appeared to be similar to that of the FYM in which they had lived, while that of earthworms starved in distilled water for 24 h greatly differed from that of the FYM. The community of the starved earthworms consisted exclusively (more than 90%) of fast growers, which were defined as those that formed their colonies within 2 days, unlike that of the FYM (10–30%). About 30 isolates were randomly chosen and some physiological properties were examined. The community of starved earthworms consisted exclusively of Gram-negative, oxidase-positive, fermentative bacteria, whereas bacteria from the FYM were much more diverse and there were no fermentative bacteria in the FYM. The predominant bacteria species of the starved earthworms were identified as Aeromonas hydrophila and considered to be indigenous to the earthworm E. foetida.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003740050644
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  • 10
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    Phosphorus Uptake by Potato from Fertilizers Recovered from Anaerobic Digestion (2016)
    Wiley
    Details
    Publication Date: 2016-09-01
    Print ISSN: 0002-1962
    Electronic ISSN: 1435-0645
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Published by Wiley
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