Abstract
Ultisol is soil that have problem of soil acidity, low organic matter and low available macro nutrient in particularly low P availability. This is only small part of phosphorus is available for plant because most of the phosphate was still present in the soil were fixed by soil colloids. Some soil microbes are known phosphate solubilizing microbes have capability to dissolve phosphate that transform of P fixed into the soluble P. The field experiment conducted at Jatinangor, West Java Indonesia to determine the effect of PSM on phosphate solubility, growth and yield of maize and phosphorus fertilizer efficiency. Design experiment of Randomized Block Design (RBD) was used in field experiment, consisted of two factors and three replications. Phosphate solubilizing microbe as the first factor consisted four levels i.e without, phosphate solubilizing bacteria (PSB), phosphate solubilizing fungi (PSF), mixture of PSB and PSF. While the second factor was P fertilizer consists five levels (0%, 25%, 50%, 75% and 100% doses of recomendation). The results of the field experiment showed that application of phosphate solubilizing microbes significantly improve the yield of maize in Ultisol Jatinangor, but did not significantly affect on soil P, available soil P, phosphatase and P uptake of plants. Application of a mixture of PSB and PSF better effect on soil available P and yield of maize. Phospate fertilizer dosing at a dose of 25 % , 50 % , 75 % and 100 % recommendations increased available soil P. Fertilizer of P could inhibit the activity of phosphatases. Phosphate fertilizer with dose 50 % recommendation gave better effect on soil P and yield of maize.
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Claims 8
Claim · model-written summary
Phosphate solubilizing microbes significantly improved maize yield.
Zea maysNot reportedInteractorInteractor roleComparatorValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of phosphate solubilizing microbes significantly improve the yield of maize in Ultisol Jatinangor”
t0“growth and yield of maize”
e2“application of phosphate solubilizing microbes significantly improve”
Claim · model-written summary
Microbes did not significantly affect soil phosphorus, available phosphorus, phosphatase or plant phosphorus uptake.
Not reportedInteractorInteractor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but did not significantly affect on soil P, available soil P, phosphatase and P uptake of plants”
t0“growth and yield of maize”
e2“application of phosphate solubilizing microbes significantly improve”
Claim · model-written summary
A mixture of phosphate solubilizing bacteria and fungi gave better soil available phosphorus.
Not reportedInteractorInteractor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of a mixture of PSB and PSF better effect on soil available P and yield of maize”
t0“growth and yield of maize”
e2“application of phosphate solubilizing microbes significantly improve”
Claim · model-written summary
A mixture of phosphate solubilizing bacteria and fungi gave better maize yield.
Not reportedInteractorInteractor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of a mixture of PSB and PSF better effect on soil available P and yield of maize”
t0“growth and yield of maize”
e2“application of phosphate solubilizing microbes significantly improve”
Claim · model-written summary
Phosphate fertilizer at 25 through 100 percent recommendations increased available soil phosphorus.
Not reportedInteractorInteractor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Phospate fertilizer dosing at a dose of 25 % , 50 % , 75 % and 100 % recommendations increased available soil P”
t0“growth and yield of maize”
e2“application of phosphate solubilizing microbes significantly improve”
Claim · model-written summary
Phosphorus fertilizer inhibited phosphatase activity.
Not reportedInteractorInteractor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fertilizer of P could inhibit the activity of phosphatases”
t0“growth and yield of maize”
e2“application of phosphate solubilizing microbes significantly improve”
Claim · model-written summary
Half recommended phosphorus fertilizer gave better soil phosphorus.
Not reportedInteractorInteractor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Phosphate fertilizer with dose 50 % recommendation gave better effect on soil P and yield of maize”
t0“growth and yield of maize”
e2“application of phosphate solubilizing microbes significantly improve”
Claim · model-written summary
Half recommended phosphorus fertilizer gave better maize yield.
Not reportedInteractorInteractor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Phosphate fertilizer with dose 50 % recommendation gave better effect on soil P and yield of maize”
t0“growth and yield of maize”
e2“application of phosphate solubilizing microbes significantly improve”
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