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

Nitrogen 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) Nitrogen dramatically stimulates plant productivity.
ii) In nature the nitrogen cycle is very dynamic. Some forms of Nitrogen are quickly used by plants, other forms are unavailable to plants. Forms may rapidly change in the soil, and may be released into the atmosphere, or may be leached.
iii) Expectancy: Decrease of usable nitrogen in the soil during the growing season.

results

Contrary to expectation, Nitrogen was retained in the soil with Aqua-Soil.

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conclusions

Due to the retention of Nitrogen, Aqua-Soil greatly increased the Nitrogen holding capacity of the soil.

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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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