On 11/11/2016 03:55 PM, Ecnerwal wrote:
In article , T wrote:
My soil is very alkali. Is this a good idea?
https://www.amazon.com/Down-Earth-17...011L3T6BS/ref=
sr_1_5?ie=UTF8&qid=1478841441&sr=8-5&keywords=humic+acid
It's likely highly cost-inefficient .vs. an actual source of humus,
(compost or compostable materials) which comes with humic acid as a free
byproduct. If you want something compact and _somewhat_ reasonable to
buy mailorder that will affect your soil pH, consider sulfur.
http://extension.usu.edu/files/publi..._Soils_2003-02.
pdf
Great reference. Thank you!