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Latinamerica. It is mostly as a result of poor understanding of agricultural practices. For example, some of the Xochimilco agricultural lands have been overfertilized or abused the use of slash and burn techniques to fertilize and lime their lands (leaving other lands acidic). Another, curious example happens in Brazil, there's been a surge in the use of biochar amending, which is a great practice in itself, but people don't understand that some woods contain a lot of lye (thus, some biochars should be treated with a bit of acid, before they're composted). It worked great for the oxisols of the jungles, but some places have started to become too basic. Also, some volcanic regions with andisols have great, agricultural potential, though the soil must be acidified too. Finally, acids are also a great way to treat pathogen/anaerobic ridden lands, it usually helps clear the stage for the return of healthy floras, upon which liming can be applied, to neutralize soils.

😅 I just have 5 minutes (need to run to school). I’ll try to explain it quickly. In Einstein’s 1917 paper on Cosmological Considerations etc (last pages)., and also in his book on ‘The Special and the General Theory’ he describes the Universe as 2π^2r^3 but that is a little bit an ‘ugly’ equation that doesn’t do justice to the beauty of it, namely if you wright it in terms of tau (2π), the same equation equals the Circle (τr) times the Area of the circle (1/2τr^2) which is a pattern underlying many physics equations, and which also give you the equation for the surface of a hypersphere. But I need to explain more (I’ll try to do this a little later), which in turn makes clear that the Universe we live in is the derivative-surface of its hypersphere’s etc.

That is a pretty useless example of very bad philosophy. you state that only facts matter in life you state that only numerically quantifiable observations count as facts And that without even one simple argument. This reduces your viewpoint to an irrational (and none quantifiable and non-factual) mental jerk.

I’ve been thinking about this. The first pages of my paper are easy to understand but to understand the last part of my paper, where you start to mix e.g. 1d momentum (p = mv = τr) with 2d energy (K.E. = 1/2 mv^2 = 1/2 τr^2) and so on - and you thus immediately see why you need to use τ instead of π - into the 4d Energy-Momentum Tensor Tμν, you need to understand the tensors that are used in GR, and you need to be able to grasp (‘vizualize’) the difference between the 3d hypersurface and 4d hypervolume, something Einstein had clearly understood but which is not that easy to ‘see’. In the future I’ll write a didactical paper for the young (the easy part) and old (the part with GR and the connection between classical mechanics and quantum mechanics which appears visible). Pi will certainly continue to exist, Euler used the same term ‘pi’ for both pi and tau, but tau is certainly more elegant (as is the Dozenal system imo). Let me just hope that if someone comes along and understands my paper, (s)he senses a glimpse (Universe = ⭕️🔴) of the Beauty which good old Albert would certainly have seen too.