Organic sources for phosphorus
15 years ago
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- 15 years ago
- 15 years ago
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Questions about organic sources of phosphorus
Comments (7)Thanks - a couple of issues though with adding more organic matter/compost - first, the areas that I am referring to compromise two large areas of our property - the first, the lawn, which is very large - about 9000 sq feet in total. In the past, I've tried to find a way to spread compost over that large of an area and it's just not going to happen, lol. The other area is not as big and I could easily add compost for nutrients, but I don't think the organic matter is a problem - it's almost 17% here! Which I think is really high! And the lawn itself has 7% OM which I think is also good. I wonder if compost tea would be a good alternative? Adding microbes and nutrients without the weight (or necessity) of adding compost for organic matter? Does anyone use guano to raise their phosphorus levels? I wonder if that would be a quicker way to correct the imbalance and then I could maintain it with compost tea?...See MorePotassium needed buy cannot find it locally
Comments (20)Nitrates are high-index salts that rapidly end up in the environment to bad effect and are entirely un-necessary in a properly managed system. I strongly suggest disregarding that last recommendation. Crop plants with high levels of nitrate resist insects and disease poorly and are unhealthy to eat, even though they may look lush and thriving. There are much better sources of K available. High use of nitrates in the form of synthesized salts is a major part of what is wrong with commercial ag. It is also what is wrong with most organic operations where the nitrates and phosphates are pumped in through animal manures while the rest of the nutrients are allowed to decline along with plant health....See MoreAcorns as Organic Source of Phosphorus?
Comments (2)What clues are leading you to think you have a shortage of phosphorus and potassium? What is actually growing well? How long do the acorns take to break down/be eaten after a normal crop has fallen? Do they go mouldy? Get eaten by grubs? Taken away by rodents? If you confined them in a compost heap with mixed leaves - a slow damp heap over the winter - what do you want to use that humus for? (I'd probably think about azaleas, rhododendrons, some of the acid-soil berry bushes. I'd also run a pH test - even with one of those soil tester kits to check it out.) If you mushed them then that oily flour is probably going to be a starter bed for various fungi and bacteria which might not be too welcome in the garden. At the moment there'll be an ecosystem in place to handle the leaves and fruits from the oaks that is mostly benign. You might choose to 'do more of the same' but not quite so 'spread out' as at present. (Less work...;-D )...See MoreTomatoes are fussy nitrogen feeders.
Comments (2)can I add please ? yellowing plants could also result from lack of potassium intake... I think a lot of folks over-look this. it doesn't necessarily display it's self with browning tips. therefore many people think of nitrogen deficiency. that is not always the case...See More- 15 years ago
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