----- Original Message ----- From: tachung_h <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, October 13, 2002 8:28 PM Subject: RE: Nutrient blockers
> > What are the experience from members of this list in using Humic Acid to > buffer the negative impact of inorganic fertilizer such as NH4 and to > allow minerals to be easily absorbed by plants. > Good quality humic acid is a valuable material - used in small quantities - but beware there are some coal based products that are detrimental to plant growth so you need to test first or know someone that has used the product successfully on crop plants. There are humates made for use in mining (for addition to drilling mud) that just dont work in agriculture. LCharles > > > Regards > TaChung Huang
