Robert Heyduck

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Questions related from Robert Heyduck

I want to use native soil in a greenhouse/container study simulating drought on ponderosa pine. Any suggestions on sifting/mixing/amending for use?

I want the most natural soil conditions possible, even though these 2-yr old trees will be in containers in the greenhouse. Have considered adding a portion of perlite to lighten the load, though...

13 February 2013 6,637 13 View

Trying to design a simple static boom for irrigation over a 4x16 foot greenhouse bench. What nozzles/microsprinklers are best?

I am looking for real uniformity of application, while minimizing weight and supplies needed to build the apparatus. I would like to be able to isolate 2x4 foot areas of the bench by either...

14 January 2013 7,184 1 View