Philip Barlow

5 Questions 23 Answers 0 Followers

Questions related from Philip Barlow

I am currently developing the utilization of the Solvita C02 "Burst" H3A weak acid soil extraction method and I am wondering who else is interested?

A) The Solvita method is to re-wet prepared soil samples so that 50% of the pore space is hydrated and the CO2 respiration (24Hours) is measured. B) The H3A acid extraction is a weak acid...

26 April 2016 6,107 1 View

Sap-sucking insects are known to be attracted to nitrogen fertilized plants, does it make any difference if the N source is ammonium or Nitrate?

The problem I have is Sooty Mold on Kiwifruit caused by deposits left by Aphids and Ciccadas. I would like to find a control that does not resort to insecticides.

20 August 2015 8,026 7 View

Is there a typical conversion value for Composted Green waste to Humus?

I understand that there is no exact answer to this question because there are many variables involved and the term "Humus" is not exact either. However a ball park figure would help.

23 May 2015 3,893 4 View

What are the Bio-remediation options for boron toxicity in Mandarins?

Excess boron fertiliser was applied and this resulted in complete defoliation of the mandarins. We have been irrigating to excess attempting to leach the excess boron to a level below the root...

22 May 2015 8,520 3 View

Has anyone investigated apical dominance in vines?

The crops I am interested in is Actinidia deliciosa & A Cheninsis (Green & Gold Kiwifruit). Although I expect the same principles would apply to other vine species. I have the Wareing...

21 January 2015 5,392 2 View