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Questions related from Portia Phohlo
Can total porosity be deduced from the water holding at saturation? That is when soil is at saturation does that mean all pore spaces are filled with water? If this is true can one assume that the...
07 June 2021 2,564 10 View
I have had numerous soil samples analysed from various farms with different soil types 2 years ago. The soil samples were analysed for Total N,C and other nutrients. I re-sampled the farms again...
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I have found the attached FAO report which classifies Cl as a macro element. All of the papers, case studies and reports that I have read previously classify Cl as a micro element. I would really...
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I have read many studies which use anaerobic incubation method to determine PMN. My understanding is that when soils are flooded with water, denitrification processes are enhanced because of lack...
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I am at a stand still and require some assistance to find a possible solution for pasture based soils that are extremely high in both acidic and basic cations with water pH of 8 on av. The soils...
30 July 2015 6,261 10 View
Is the hydrometer method for soil particle size analysis directly comparable with a mid-infrared method for the determination of clay percentage? I am worried about the 18 samples I have analysed...
01 January 1970 8,503 3 View
Additionally, how to manage P fertilisation in such soils? Continuously apply P fertiliser even though there is a big chance it might be fixed by sesquioxides?
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