Full TGIF Record # 100897
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Web URL(s):http://rd.springer.com/article/10.1023/B%3APLSO.0000047764.22551.26
    Last checked: 06/04/2012
    Access conditions: Item is within a limited-access website
Publication Type:
i
Refereed
Author(s):Goh, K. M.; Pamidi, J.
Author Affiliation:Goh: Soil and Physical Sciences Group, Soil, Plant and Ecological Sciences Division, Lincoln University, Canterbury, New Zealand; Pamidi: Regional Agricultural Research Station, Anakapelle, Andra Prasad, India
Title:Effects of cultivation and long-term superphosphate applications on pasture soil sulphur mineralisation and availability in the field
Source:Plant and Soil. Vol. 264, No. 1/2, July 2004, p. 299-312.
# of Pages:13
Publishing Information:Dordrecht, Netherlands: Kluwer Academic Publishers
Keywords:TIC Keywords: Soil cultivation; Superphosphates; Sulfur; Mineralization; Pasture soils; Sulfur fertilizers; Lolium perenne; Fertilization; Nutrient availability; Nutrient uptake; Organosulphur compounds
Abstract/Contents:"The mineralisation of soil organic sulphur (S) by soil micro-organisms constitutes a significant source of S for pasture plant growth. Cultivation and fertiliser applications affect microbial activity which in turn affects soil S mineralisation and the release of plant-available S. A field trial was conducted with cultivated and uncultivated subplots superimposed on the main plots of a long-term pasture trial in New Zealand receiving annual applications of superphosphate (0, 188, 376 kg ha-1) since 1952. The aim was to provide information on soil S mineralisation and availability as affected by cultivation and superphosphate applications under field conditions. Carrier-free 35SO4-S was applied to all plots in the field, allowed to pre-condition for two weeks before perennnial ryegrass (Lolium perenne L.) seeds were sown to cultivated sub-plots, while in uncultivated subplots existing pasture was cut and removed and then allowed to re-grow. Five plant harvests followed by soil sampling each time were conducted over a period of one year. Herbage and soil samples were analysed for total S and 35S and different extractable soil S and 35S fractions (HI-reducible S, C-bonded S). Results obtained showed that cultivation and fertilisation significantly affected plant dry matter yield, soil S mineralisation and plant S uptake. These effects were affected by seasons. Plant S uptake was strongly related to soil S supply to plants and the plant S uptake provided a better measure of soil S availability to plants than changes in the extractable soil S fractions examined in the current study."
Language:English
References:38
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Goh, K. M., and J. Pamidi. 2004. Effects of cultivation and long-term superphosphate applications on pasture soil sulphur mineralisation and availability in the field. Plant Soil. 264(1/2):p. 299-312.
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http://rd.springer.com/article/10.1023/B%3APLSO.0000047764.22551.26
    Last checked: 06/04/2012
    Access conditions: Item is within a limited-access website
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