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  • Reduced tillage  (2)
  • Bradyrhizobium jopanicum  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Endomycorrhizae in a newly cultivated acidic meadow: Effects of three years of barley cropping, tillage, lime, and phosphorus on root colonization and soil infectivity (1996)
    Springer
    Biology and fertility of soils 21 (1996), S. 160-165 
    Details
    ISSN: 1432-0789
    Keywords: Key words Hordeum vulgare ; Agricultural ecosystem ; Acidic soil ; Soil infectivity ; Endomycorrhizae ; Reduced tillage ; Rhizosphere
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The dynamics of mycorrhizae under disturbance created by crop production is not well understood. A 3-year experiment was undertaken on a nutrient-poor and acidic land that had last been cultivated in the early 1970s. We observed the effects of cropping spring barley (Hordeum vulgare L.) under four P-fertilizer levels and four levels of lime, in a minimum (rototillage), a reduced (chisel), or a conventional tillage system, on the mycorrhizal receptiveness of the host (maximum level of mycorrhizal colonization, as measured at harvest) and soil infectivity most probable number method. The host receptiveness decreased with time, while crop yields and soil infectivity increased simultaneously with time. Liming increased mycorrhizal colonization of barley roots and soil infectivity. P additions decreased root colonization but did not significantly affect the most probable number values. Slightly higher soil infectivity estimates were found under reduced tillage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00335928
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Endomycorrhizae in a newly cultivated acidic meadow: Effects of three years of barley cropping, tillage, lime, and phosphorus on root colonization and soil infectivity (1996)
    Springer
    Biology and fertility of soils 21 (1996), S. 160-165 
    Details
    ISSN: 1432-0789
    Keywords: Hordeum vulgare ; Agricultural ecosystem ; Acidic soil ; Soil infectivity ; Endomycorrhizae ; Reduced tillage ; Rhizosphere
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The dynamics of mycorrhizae under disturbance created by crop production is not well understood. A 3-year experiment was undertaken on a nutrient-poor and acidic land that had last been cultivated in the early 1970s. We observed the effects of cropping spring barley (Hordeum vulgare L.) under four P-fertilizer levels and four levels of lime, in a minimum (rototillage), a reduced (chisel), or a conventional tillage system, on the mycorrhizal receptiveness of the host (maximum level of mycorrhizal colonization, as measured at harvest) and soil infectivity most probable number method. The host receptiveness decreased with time, while crop yields and soil infectivity increased simultaneously with time. Liming increased mycorrhizal colonization of barley roots and soil infectivity. P additions decreased root colonization but did not significantly affect the most probable number valuse. Slightly higher soil infectivity estimates were found under reduced tillage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00335928
    Location Call Number Expected Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Application of genistein to inocula and soil to overcome low spring soil temperature inhibition of soybean nodulation and nitrogen fixation (1997)
    Springer
    Plant and soil 192 (1997), S. 141-151 
    Details
    ISSN: 1573-5036
    Keywords: Bradyrhizobium jopanicum ; genistein ; Glycine max ; low soil temperature ; nitrogen fixation ; nodulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract In the soybean (Glycine max. (L.) Merr)– Bradyrhizobium japonicum symbiosis, suboptimal root zone temperatures (RZTs) slow nodule development by disruption of the interorganismal signal exchange between the host plant and bradyrhizobia. Two field experiments were conducted on two adjacent sites in 1994 to determine whether the incubation of B. japonicum with genistein prior to application as an inoculant, or genistein, without B. japonicum, applied onto seeds in the furrow at the time of planting, increased soybean nodulation, N fixation, and total N yield. The results of these experiments indicated that genistein application increased nodule number and nodule dry matter per plant and hastened the onset of N fixation during the early portion of the soybean growing season, when the soils were still cool. Because these variables were improved, total fixed. N, fixed N as a percentage of total plant N, and N yield increased due to genistein application. The interaction between genistein application and soybean cultivars indicated that genistein application was more effective on N-stressed plants.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1004284727885
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    Paper (German National Licenses)
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