%0 Journal Article
%T Influence of phosphocompost application on phosphorus availability and uptake by maize grown in red soil of Ishigaki Island, Japan
%A Farid Abdel Aziz Hellal
%A Fuji Nagumo
%A Raffat Metwally Zewainy
%J Agricultural Sciences
%P 102-109
%@ 2156-8561
%D 2013
%I Scientific Research Publishing
%R 10.4236/as.2013.42016
%X <p style=\"text-align:justify;\">
	<span style=\"font-size:12px;\">Phospho compost application is important with respect to
soil fertility and plant nutrition. Therefore, the objective was to evaluate
the influence of phospho compost application on P availability and uptake by
maize in red soil. </span><span style=\"font-size:10pt;\"><span style=\"font-size:12px;\">The phosphorus
applied in the form of phospho compost, as compare to rock phosphate and super
phosphate at a rate of 50 and 100 mg P</span><sub><span style=\"font-size:12px;\">2</span></sub><span style=\"font-size:12px;\">O</span><sub><span style=\"font-size:12px;\">5</span></sub><span style=\"font-size:12px;\"> Kg<sup>-</sup></span><sup><span style=\"font-size:12px;\">1</span></sup><span style=\"font-size:12px;\"> soil. The application was done as spot and mix
application. Results indicate that, spot application of 100 mg P</span><sub><span style=\"font-size:12px;\">2</span></sub><span style=\"font-size:12px;\">O</span><sub><span style=\"font-size:12px;\">5</span></sub><span style=\"font-size:12px;\"> kg<sup>-</sup></span><sup><span style=\"font-size:12px;\">1</span></sup><span style=\"font-size:12px;\"> soil as phospho
compost (b) registered significantly higher P uptake (2.1 and 5.31 mg<span style=\"font-size:10.0pt;font-family:;\" \"=\"\">กค</span>pot<span style=\"text-align:justify;white-space:normal;\"><sup>-</sup></span><sup style=\"text-align:justify;white-space:normal;\">1</sup></span><span style=\"font-size:12px;\">)
and available soil P (19.1 and 21.0 mg<span style=\"font-size:10.0pt;font-family:;\" \"=\"\">กค</span>kg<span style=\"text-align:justify;white-space:normal;\"><sup>-</sup></span><sup style=\"text-align:justify;white-space:normal;\">1</sup></span><span style=\"font-size:12px;\">) as compare to Rock
Phosphate alone </span></span><span style=\"font-size:10pt;\"><span style=\"font-size:12px;\">(0.60 and 0.97 mg<span style=\"font-size:10.0pt;font-family:;\" \"=\"\">กค</span>pot<span style=\"text-align:justify;white-space:normal;\"><sup>-</sup></span><sup style=\"text-align:justify;white-space:normal;\">1</sup></span><span style=\"font-size:12px;\">) and (5.6 and
6.0 mg<span style=\"font-size:10.0pt;font-family:;\" \"=\"\">กค</span>kg<span style=\"text-align:justify;white-space:normal;\"><sup>-</sup></span><sup style=\"text-align:justify;white-space:normal;\">1</sup></span><span style=\"font-size:12px;\">)</span></span><span style=\"font-size:12px;\"> at 30 and
60 day after sowing, respectively. The probable chelating effect from phospho
composting increased the phosphorus use
%K Phosphocompost
%K Rock Phosphate
%K Available P
%K Maize
%K Red Soil
%U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=28210