David South

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Questions related from David South

What level of aluminum in the foliage of loblolly pine seedlings is toxic?

If 650 ppm of Al in needles of loblolly pine seedlings is not toxic, what level would be toxic? Note: I am asking about loblolly pine growing in soil.... not results from a trial using a...

14 April 2016 4,460 3 View

Will a soil pH of 4.3 negatively affect nursery growth of a pine seedling?

If I sow a pine seed in soil with a pH of 4.3, what type of soil-related problem might occur? Would the mass of the seedling at lifting (9-months) be less than if the soil pH was 5.5? If yes, then...

31 March 2016 9,973 10 View