AQUA-SOIL Research

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AQUA-SOIL RESEARCH

	• Pot trial with Aqua-Soil applied to Pinus Patula and a Eucalyptus clone
	• Nitrogen Retention Test
	• Phosphate Retention Test
	• Potassium Retention Test
	• Water Retention Test after 30 Days

	• Research Archive

Phosphate Retention Test

			Pretoria 0002 Republic of South Africa Tel +27 (12) 420 9111 Fax +27 (12) 342 2713
Faculty of Biological and Agriculture Sciences

NOTES

i) Phosphate is required for normal plant growth.
ii) Phosphate has low solubility in the soil and concentrations remained constant over a long time period.
iii) Expectancy: Phosphate concentrations will remain stable in the soil and won't leach rapidly.

RESULTS

Phosphate concentration remained stable.

CONCLUSIONS

2000 mm. Rain did not leach phosphate from the soil in all experiments.

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The experiments were done under the supervision of Professor George Bredenkamp.
For further information please contact him at the University of Pretoria.

	• Pot trial with Aqua-Soil applied to Pinus Patula and a Eucalyptus clone
	• Nitrogen Retention Test
	• Phosphate Retention Test
	• Potassium Retention Test
	• Water Retention Test after 30 Days

	• Research Archive

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