Slightly OT - any hints for speeding up tree stumps and root decay?
lkayetwvz5
5 years ago
last modified: 5 years ago
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Speeding Up Composting
Comments (39)I found a reasonably good youtube eOrganic webinar from U.C. Davis where they explain how important it is not to use too readily available sources of nitrogen in gardens / farms in order to prevent nitrogen loss due to leaching. Essentially they are trying to get farmers / gardeners to think more about how to tightly couple nitrogen production with usage. This prevents nitrogen loss due to leaching. Having high organic matter in the soil that has not completely broken down is seen as the ideal way to achieve this. Also crops with high enzyme levels are important. My interpretation is that it is important not to view composting always as the ideal pathway to completely break down all organic matter because then it will be too readily available. Admittedly, it is not a black and white world. Soils with high organic matter can accommodate and process even more organic matter than soils with low organic matter. They already have a highly active microbial community. In other words, if I had soils that had very little organic matter and therefore very little microbial activity, I would probably compost organic matter fairly well before incorporating it into the soil. But then as the microbial activity increases I would pile or bin compost less and use direct composting more so as to increase the organic matter and microbial activity even more. Then I would look for plants which tolerate high residue soils. The researchers admit they need more research to draw up better guidelines as to how much un-decomposed organic matter is ideal because it depends so much on soil, weather, and crops. And the researchers admit they need more research to identify which crops and varieties have the highest enzyme levels to assist with organic matter breakdown. But those of us with a lot of gardening experience can probably make some educated guesses. Spinach and bell peppers seem to be on the low root enzyme end. Tomato seems to be on the low to medium end depending on variety. I would probably always bin or pile compost to some degree with these crops. Anyway, the researchers seem to be going the 'Let us conserve our nitrogen better' direction. One reason organic agriculture is more expensive than conventional agriculture is that we fritter away our nitrogen; 10% here, 15% there, 5% everywhere and before you know it we have lost half our nitrogen. Here is a link that might be useful: U.C. Davis - nitrogen coupling...See MoreRemoving Ivy Off Of Trees...hints?
Comments (46)I have news about the ivy. Two things have changed in the two years since I cut all the ivy trunks around the tree. First, I got a new tool, a vibrating multi-tool, that makes it incredibly easy to cut through the vines. I had previously used a little curved hand saw that was difficult to use on the tough trunks. Second, this venue was so focused on finding a missed bit of ivy that it made me doubt my own certainty that I had done a complete job. I went back to the tree, this time with my new tool. I went around the tree, cutting all the trunks evenly at about six feet high, near the top of my reach. To be clear, there are about 7 to 10 trunks the size of a silver dollar or larger, and there are also maybe twice as many that are smaller. To give an idea, at one point, high up in the tree, the ivy began growing downward, like the vines Tarzan used to swing around the jungle. When we bought the house, it was maybe 10 feet off the ground, and swayed widely in the wind. Over the next 30 years, it grew downward to reach the ground with a vine the thickness of a broom handle. The old tool was a curved saw and it was a difficult tool to use in the tight nooks and crannies. The new tool made it easy to make several cuts, as needed, just to completely clear out the mess. In the past two years, the vegetation on the ground has changed a little and so it was a bit easier to see what was going on. The big change, however, was the new tool. In the end, I did find one small bit of ivy, maybe the diameter of a quarter, that was snaking through the middle of two twin trunks. I really had my fingers crossed as I cut that one bit that looked to be the culprit. It worked! I wanted to wait to be sure, but the ivy is now clearly almost dead. There are very few remaining green leaves, a few more remaining brown leaves, and on the ground, it looks more like fall than springtime. What I find amazing is that the small single ivy trunk that I missed was able to supply the entire plant with it's needs for a connection with the ground. I literally took away probably 95% of it's trunk system, leaving only one small connection. I might have thought that the different entwining trunks would each supply one portion of the plant. Instead, that single point of connection to the ground seems to have found a way to share it's connection with all the other disconnected trunks arising toward the sky. Where the ivy trunks were deeply intertwined, I think that they must have somehow grown together, such that they were sharing resources. When all but that single small trunk was severed, that single small trunk was somehow able to provide enough for the entire, huge mass of airborne leaves, and was able to connect with the other trunks which had clearly been severed. These trunks were on all sides of the tree, but sort of interwoven. Still, that means that water from the single remaining trunk somehow connected with other trunks, which then went on to connect with even more trunks until the entire plant was again connected to the ground! That is one tough plant! I do recall this scenario at the time of the original cuts, two years ago. At first, the ivy began to die, a little. Some leaves turned yellow and fell off. I was expecting it to continue all the way, as I had seen many times. Yet, somehow, after a few weeks of losing leaves, the loss of leaves stopped, and then the worst thing happened: new growth was obvious! So the story ends like this: yes, there was a single, small missed piece of trunk. With my new tool, I really cleaned up the trunk of a lot more deadwood, and in the process, was able to cut that final missed piece. The loss of that final connection to the ground now has the entire ivy nearly dead. Having that success with the tree closest to my home, and easiest to explore, I geared up to re-visit the Douglas Fir. It is on a steep slope, and difficult to approach. Again, I think I may have found one, tiny missed trunk, and I severed it. I also cleaned up a lot so that the ivy trunks were easier to visualize. It has not been as long since I made the new cuts, but it does seem that the leaves are in the very beginning stages of turning brown and falling off. Fingers crossed! Time will tell, but I think I have finally finished a job I began two years ago, and I'm ultimately relieved....See MoreSlightly O/T: Do you grow any 'proper' HT's?
Comments (14)I have a few foot-tall sticks that cling to life: 'Dainty Bess', 'Lady Mary Fitzwilliams', 'Nigrette', if our very hot summer this year didn't do in my last plant of it: this puny rose clings to life amazingly. Doing pretty well, especially considering the bad ground it was planted in, is 'Cl. Mme. Caroline Testout'. This is a very tough rose that does well on its own roots. I have another nameless climbing HT, a beautiful long-budded pink variety, a found rose given to me as a cutting, that's growing in heavy ground without support and doing surprisingly well. I would love to move this to a pergola but am afraid I might lose it, even though I've seen to what extent one can massacre roses during transplanting and still see them come back. I want to take cuttings of this and put the new plant in a more appropriate spot. I have several plants of 'Mme. Jules Bouche' and am hopeful that for some I may finally have created the conditions it needs to reach its full potential. It has a lot of Tea character. Also a puny plant of 'Barcelona', my last survivor of this variety, and I hope I've planted it adequately and it will grow well. 'Barcelona' is tough, but my garden is too often tougher. Warm climate roses and their close relatives, among which I include the Pemberton Hybrid Musks and HTs, struggle in my garden. I think they need lighter soil than I can readily provide, some protection from wind and full sun, and a degree of what I can only call gentility in their conditions which the once-blooming old roses of European origin can better do without. This fall I planted some herbaceous peonies and a lemon verbena in a corner of the garden where shrubs have been growing for several years now and where I have steadily mulched. I think some buried part of my brain had decided that the environment had been sufficiently domesticated to support herbaceous perennials. The same would need to be done for HTs. I think, terracing, rich, somewhat soft soil, in an area hedged by shrubs and with a mature decidous tree or two somewhere in the vicinity, would be perfect. Naturally the hectare or so of the garden doesn't include a single spot where such conditions exist, I'm not sure there's one where they could even be implemented. I would love to try 'Oklahoma', for one, and there are other Hybrid Teas that pull at me....See MoreSafely speed up stump decaying and planting new trees
Comments (5)Your leaf pile idea should speed up decay all by itself. New trees are fine. BTW, you said you don't want to "poison" the stumps, and i should think not, that being different from getting them to decompose. All I could think of there is you might have a concern for resprout. A tiny amount of an approved herbicide, one containing the active ingredient triclopyr can be daubed around the outer edge of the cut stump. But in my experience, cottonwood does not behave like its aspen cousins and won't sprout anyway. But that's nothing to do with the matter at hand. Just trying to figure out what you meant there....See Morelkayetwvz5
5 years agolast modified: 5 years agosautesmom Sacramento
5 years agolkayetwvz5
5 years agosummersrhythm_z6a
5 years agokittymoonbeam
4 years agoSylvia Gordon
4 years agototoro z7b Md
4 years agolast modified: 4 years ago
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