oh sorry I wasn't paying attention to what you said it's too LINEAR for me and I was comparing IRON(III) PHOSPHATE to HYDROXYAPATITE YOU SIMPLE CREATURE
oh sorry I wasn't paying attention to what you said it's too LINEAR for me and I was comparing IRON(III) PHOSPHATE to HYDROXYAPATITE YOU SIMPLE CREATURE
I don't need to understand this to know its right.
The virgin gardener will think they don't need additional phosphorus because they pH tested their soil at 7.
The chad soil scientist researches the Web Soil Survey and understands how the mineral composition of their soil shifts the pH boundaries of phosphorus availability: https://websoilsurvey.sc.egov.usda.gov/App/WebSoilSurvey.aspx