2003
DOI: 10.1016/s0378-4290(03)00078-9
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Crop yields and phosphorus fertilizer transformations after 25 years of applications to a subtropical soil under groundnut-based cropping systems

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Cited by 74 publications
(43 citation statements)
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“…In any case, significant differentiation of P uptake was reflected in the contrast between fertilizer treatments and the absolute control (no fertilizer at all). Disparate to the results of other researchers (Aulakh, et al 2003;Feiza, et al 2003;Moskal, et al 1999), in the present study there were not observed significant differences between P total uptake on phosphorus treated objects and those untreated. Accumulation of this nutrient in cereals is determined mainly by its movement from the stem to the ear, the process of which starts before plant flowering (Manske, et al 2001).…”
Section: Methodscontrasting
confidence: 89%
“…In any case, significant differentiation of P uptake was reflected in the contrast between fertilizer treatments and the absolute control (no fertilizer at all). Disparate to the results of other researchers (Aulakh, et al 2003;Feiza, et al 2003;Moskal, et al 1999), in the present study there were not observed significant differences between P total uptake on phosphorus treated objects and those untreated. Accumulation of this nutrient in cereals is determined mainly by its movement from the stem to the ear, the process of which starts before plant flowering (Manske, et al 2001).…”
Section: Methodscontrasting
confidence: 89%
“…Phosphorus fertilization did not increase the plant dry matter but only increased the P content in the shoot (Table 5), probably due to the low P requirement of the peanut [20], confirmed by field studies [21,22]. Another explanation for this lack of response to P fertilization is a possible Mg deficiency in the peanut (Table 5), which may have been induced by K application.…”
Section: Resultssupporting
confidence: 52%
“…Even though the P rates applied were relatively low, the increases were consistent with other studies which showed increases in plant available P with long-term P fertilizer application (Steffens 1994;Richards et al 1995). Aulakh et al (2003) found that 25 years of P fertilization on a semi-arid sandy loam soil increased Olsen-P by 63 to 436% compared to the initial 11.6 kg ha -1 with annual P application rates from 9 to 40 kg P ha -1 . The applied P was partially removed by crops (21 to 51%) with the remainder accumulating in the plough layer (33 to 64%) and/or leached to the lower soil layers (Aulakh et al 2003).…”
Section: P Availability and Residual Effects After 65-years Of P Applmentioning
confidence: 92%
“…Aulakh et al (2003) found that 25 years of P fertilization on a semi-arid sandy loam soil increased Olsen-P by 63 to 436% compared to the initial 11.6 kg ha -1 with annual P application rates from 9 to 40 kg P ha -1 . The applied P was partially removed by crops (21 to 51%) with the remainder accumulating in the plough layer (33 to 64%) and/or leached to the lower soil layers (Aulakh et al 2003). The P budget of the field plots, in the present study, based on exports of grain (data not shown), indicates that the application of 6 kg P ha -1 balanced P output.…”
Section: P Availability and Residual Effects After 65-years Of P Applmentioning
confidence: 92%