alternatives to store-bought chicken feed
digit
16 years ago
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digit
16 years agolast modified: 9 years agoRelated Discussions
Composting with store bought vegies - GM Issue?
Comments (27)Billme, you made an excellent point that supporting gm in any way makes you complicit in it's continuation. It is my understanding that the word "may" is used because the research is ongoing. Here are some samples of ongoing research from PubMed, each concluding that more research is needed: "1: Appl Environ Microbiol. 2005 Nov;71(11):6719-29.Click here to read Click here to read Links Impact of Bt corn on rhizospheric and soil eubacterial communities and on beneficial mycorrhizal symbiosis in experimental microcosms. * Castaldini M, * Turrini A, * Sbrana C, * Benedetti A, * Marchionni M, * Mocali S, * Fabiani A, * Landi S, * Santomassimo F, * Pietrangeli B, * Nuti MP, * Miclaus N, * Giovannetti M. Istituto Sperimentale per lo Studio e la Difesa del Suolo, CRA, Florence, Italy. A polyphasic approach has been developed to gain knowledge of suitable key indicators for the evaluation of environmental impact of genetically modified Bt 11 and Bt 176 corn lines on soil ecosystems. We assessed the effects of Bt corn (which constitutively expresses the insecticidal toxin from Bacillus thuringiensis, encoded by the truncated Cry1Ab gene) and non-Bt corn plants and their residues on rhizospheric and bulk soil eubacterial communities by means of denaturing gradient gel electrophoresis analyses of 16S rRNA genes, on the nontarget mycorrhizal symbiont Glomus mosseae, and on soil respiration. Microcosm experiments showed differences in rhizospheric eubacterial communities associated with the three corn lines and a significantly lower level of mycorrhizal colonization in Bt 176 corn roots. In greenhouse experiments, differences between Bt and non-Bt corn plants were detected in rhizospheric eubacterial communities (both total and active), in culturable rhizospheric heterotrophic bacteria, and in mycorrhizal colonization. Plant residues of transgenic plants, plowed under at harvest and kept mixed with soil for up to 4 months, affected soil respiration, bacterial communities, and mycorrhizal establishment by indigenous endophytes. The multimodal approach utilized in our work may be applied in long-term field studies aimed at monitoring the real hazard of genetically modified crops and their residues on nontarget soil microbial communities." "1: Ying Yong Sheng Tai Xue Bao. 2005 Mar;16(3):524-8. Links [Effects of Bt corn straw decomposition on soil enzyme activities and soil fertility] [Article in Chinese] * Wang J, * Feng Y, * Luo S. Institute of Tropical and Subtropical Ecology, South China Agricultural University, Guangzhou 510642, China. wangjw@scau.edu.cn An incubation test with the straws of Bt corn 34B24 and its non-transgenic isogenic line 34B23, Bt corn Nongda 61, and non-transgenic Nongda 3138 was conducted to study the potential effects of Bt corn straw decomposition on soil enzyme activities and soil fertility. No significant difference in soil protease and acid phosphatase activities was found between treatments 34B24 and 34B23; but on day 75 of incubation, soil dehydrogenase activity was significantly higher in treatment 34B24 than in treatment 34B23. The same was true for soil invertase activity on days 15,45, 60 and 75. Soil urease activity in treatment 34B24 was significantly increased on day 30, but decreased on days 45 and 75. A significant difference in several soil enzyme activities was also observed between the treatments of two Bt corn hybrids and their conventional cultivars at some sampling days. After incubation for 90 days, the contents of soil available P and K were significantly lower in treatment 34B24 than in treatment 34B23. The differences mentioned above resulted from the composition of test corn straws, which may be affected by the Bt gene transformation process. In order to accurately assess the effects of Bt corn straw decomposition on soil ecosystem, a standard classification system of soil enzyme activities should be established for different soil types from different regions." "Erratum in: Mol Ecol. 2003 Aug;12(8):2279. Effects of transgenic Bt corn litter on the earthworm Lumbricus terrestris. * Zwahlen C, * Hilbeck A, * Howald R, * Nentwig W. Zoological Institute, University of Bern, Baltzerstrasse 6, CH-3012 Bern, Switzerland. claudia.zwahlen@gmx.net A 200-day study was carried out to investigate the impact of transgenic Bacillus thuringiensis (Bt) corn on immature and adult Lumbricus terrestris in the field and in the laboratory. Another objective of this study was to develop test methods that could be used for standard testing of the impact of transgenic plants on different earthworm species in the field and in the laboratory. For this purpose two different experiments were involved, a laboratory experiment with adult L. terrestris and a field experiment with immature L. terrestris. No lethal effects of transgenic Bt corn on immature and adult earthworms were observed. Immature L. terrestris in the field had a very similar growth pattern when fed either (Bt+) or (Bt-) corn litter. No significant differences in relative weights of (Bt+) and (Bt-) corn-fed adult L. terrestris were observed during the first 160 days of the laboratory trial, but after 200 days adult L. terrestris had a significant weight loss of 18% of their initial weight when fed (Bt+) corn litter compared to a weight gain of 4% of the initial weight of (Bt-) corn-fed earthworms. Further studies are necessary to see whether or not this difference in relative weight was due to the Bt toxin or other factors discussed in the study. Degradation of Cry1Ab toxin in corn residues was significantly slower in the field than at 10 degrees C in the laboratory. Enzyme-linked immunosorbent assay results indicated that earthworms in both experiments were exposed to the Bt toxin throughout the whole experimental time."...See MoreCan't believe the difference - local vs. store chicken
Comments (15)I assume you're talking about pastured poultry since "free range" actually has no meaning when you're talking meat birds (broilers). The term is just a marketing ploy. For the USDA to approve the term, the grower simply has to show a door for the birds to use on the plans of the hen house, regardless of whether the door is ever open, regardless of whether the birds ever use it, and regardless of the quality of the yard. Cornish cross meat birds put on weight so fast that by the time they're 4 weeks old, they can hardly walk, much less roam through green pastures. With pastured poultry, they are on grass in low cages that are moved daily by the farmer, so they are always on fresh green grass with access to insects. They are also fed grain, but whether it's organic or not is up to the farmer. And the quality of the meat is due to their being on pasture, not the organicness of the ration. Traditionally produced organic birds are raised in the same conditions as any other type of bird, except the feed is organic and certain medications are not permitted. They also are a little less crowded to help prevent disease. I know this because I produced pastured poultry for 8 years in the late 90s and early 2000s. The info about the "free range" came from an article in Consumer Reports during that period. BTW, free range has a real meaning when it comes to layers. Those birds will roam some distance....See MoreSchultz and Miracle Gro Liquid Plant Feed Discontinued? Alternatives?
Comments (19)The Schultz product supplies far more P than plants want or can use, which is reason enough not to use it, but it also lacks many important nutrients (Ca, Mg, and several micronutrients), and it gets it's N from urea, which tends to promote coarse growth and long internodes. It really is a poor choice as your 'go to' fertilizer for houseplants. The Foliage-Pro 9-3-6 is a FAR better choice. Even Miracle-Gro 12-4-8 which lacks the same nutrients missing from the Schultz 10-15-10 is a superior choice because the ratio (3:1:2) much more closely mimics the ratio at which your plants actually utilize nutrients. Also, Superthrive = snake oil. The question regarding the value of Superthrive as a miracle tonic for plants is often bandied about in horticultural circles. Over the years, I had read claims that ranged from, “I put it on my plant, which had never bloomed, and it was in full bloom the next day.” to, “It was dead - I put Superthrive on it and the next day it was alive and beautiful, growing better than it ever had before.” I decided to find out for myself. If you look for information on the net, you will probably only find the manufacturer’s claims and anecdotal observations, both so in want of anything that resembles a control. Though my experiments were far from purely scientific, I tried to keep some loose controls in place so that I could make a fair judgment of its value, based my own observations. Here is what I did, what I found, and the conclusions I made about any value the product Superthrive might hold for me. On four separate occasions, I took multiple cuttings of plants in four different genera. In each case the group of cuttings were taken from the same individual plant to reduce genetic variance. The plant materials I used were: Ficus benjamina, (a tropical weeping fig) Luna apiculata (Peruvian myrtle), Chaenorrhinum minus(a dwarf snapdragon), and an unknown variety of Coleus. In each instance, I prepared cuttings from the same plant and inserted them in a very fast, sterile soil. The containers containing half of the cuttings were immersed/soaked in a Superthrive solution of approximately 1/2 tsp per gallon of water to the upper soil line. The other half of the cuttings were watered in with water only. In subsequent waterings, I would water the “Superthrive batch” of cuttings with a solution of 10 drops per gallon and the others with only water. The same fertilizer regimen was followed on both groups of cuttings. In all four instances, the cuttings that I used Superthrive on rooted and showed new growth first. For this reason, it follows that they would naturally exhibit better development, though I could see no difference in overall vitality, once rooted. I can also say that a slightly higher percentage of cuttings rooted that were treated with the Superthrive treatment at the outset. I suspect that is directly related to the effects of the auxin in Superthrive hastening initiation of root primordia before potential vascular connections were destroyed by rot causing organisms. In particular, something I looked for because of my affinity for a compact form in plants was branch (stem) extension. (The writer is a bonsai practitioner.) Though the cuttings treated with Superthrive rooted sooner, they exhibited the same amount of branch extension. In other words, internode length was approximately equal and no difference in leaf size was noted. As a second part to each of my “experiments”, I divided the group of cuttings that had not been treated with Superthrive into two groups. One of the groups remained on the water/fertilizer only program, while the other group was treated to an additional 10 drops of Superthrive in each gallon of fertilizer solution. Again, the fertilizer regimen was the same for both groups. By summer’s end, I could detect no difference in bio-mass or vitality between the two groups of plants. Since I replicated the above experiment in four different trials, using four different plant materials, I am quite comfortable in drawing some conclusions as they apply to me and my growing habits or abilities. First, and based on my observations, I have concluded that Superthrive does hold value for me as a rooting aid, or stimulant if you prefer. I regularly soak the soil, usually overnight, of my newly root-pruned and often bare-rooted repots in a solution of 1/2 tsp Superthrive per gallon of water. Second, and also based on my observations, I no longer bother with its use at any time other than at repotting. No evidence was accumulated through the 4 trials to convince me that Superthrive was of any value as a “tonic” for plants with roots that were beyond the initiation or recovery stage. Interestingly, the first ingredient listed as being beneficial to plants on the Superthrive label is vitamin B-1 (or thiamine). Growing plants are able to synthesize their own vitamin B-1 as do many of the fungi and bacteria having relationships with plant roots, so it's extremely doubtful that vitamin B-1 could be deficient in soils or that a growing plant could exhibit a vitamin B-1 deficiency. Some will note that I used more of the product than suggested on the container. I wanted to see if any unwanted effects surfaced as well as trying to be sure there was ample opportunity for clear delineation between the groups. I suspect that if a more dilute solution was used, the difference between groups would have been even less clear. It might be worth noting that since the product contains the growth regulator (hormone) auxin, its overuse can cause defoliation, at least in dicots. The broad-leaf weed killer Weed-B-Gone and the infamous “Agent Orange“, a defoliant that saw widespread use in Viet Nam, are little more than synthetic auxin. See what Linda Chalker-Scott PhD says about it. Al...See MoreStore bought soil, Help
Comments (33)Theparsley ha ha yeah we've already had a few salad meals and there's nothing like the taste of fresh grown greens. darth_veeder, I am keeping out the crazy insane rabbits, I first learned that I had rabbits when we first moved in, they showed me by chomping down and killing three of my young blueberry bushes. Then when I planted my bare root apple trees they went after the trunk. I put up tree guards quickly. Then when I set up the garden, I knew the trouble would come so I wanted to put up that chicken wire with no possibility of them jumping over it, might be over done with height but it's fine. Right now I have peach trees from seed growing they nipped them too, so I have clear plastic forks guarding those for now but will be fencing them soon. If you can't tell I hate these rabbits! I won't kill them unless they cross the line, the line is my garden, they cross it they will be dinner. Theses rabbits are not that fearful of people or dogs....See Morecatherine_nm
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