May Lotito wrote:So you have over grazed ranchland with calcareous soil and a semiarid climate. The patchy native grasses and bushes that are doing well probably benefit from the fertility pockets from cattle manure and urine.
---That makes sense. Some areas grow really well, and then most of it is just bare ground where nothing grows. This is one of the better areas. That is why I chose this spot as my first places to start trying to grow something. This is where the soil samples came from.---
Usually high calcium soil samples need certain tests to get a more accurate readings, but it still doesn't change the diagnosis of the lack certain macro and micro nutrients. I would want to double check the Zn level as it could be the most limiting factor besides P. And you don't have to do a full test, usually university extension office can do the DTPA test for Fe/Cu/Mn/Zn at the same time for a few dollars. Zinc is important in many aspects of plant physiology including auxin production and soil microbes need it too. If it's true deficiency (really low in soil, not due to being locked up or competition, aka induced deficiency), supplementing zinc fertilizer will make a big difference.
Terry Frankes wrote:Do you have any growing season pictures of what does grow there?
Cujo Liva wrote:I have a moderate amount of char that I'd like to break down into small pieces.
Any suggestions on good methods? I don't have a large press of any form, so this will likely be a manual process.
Josiah Kobernik wrote:I think that the tree is trying to replace it's diseased trunk by sending up new replacement trunks from its roots. As the old trunk dies, it's ability to transport energy from the roots is constricted, so that root energy must make a new way to reach for the sun.
I would consider allowing the root suckers to grow and see if they will succumb to the same disease. You could either leave the old trunk to die of its own, or use a sterilized pruning saw to make an angled heading cut two feet below the lowest canker. I would remove the diseased wood and burn it.
If the new leading stems also get the same disease, then I would try to grow a genetically different individual. Either from seed, or a cutting from a different plant. you might even consider planting seeds from this diseased tree.
these are just my thoughts, hope this helps.
Josiah Kobernik wrote:I'm not an expert with mulberry, but that looks like a pathogenic canker to me. Either fungal or bacterial.
Is it a grafted tree?