Brian and Darren addressed your question on Ag PhD Radio: on.soundcloud.com/bUg35E7tr49rNELL8 (the link should take you to 22:51 within the 10/18/24 show).
2:45 - Brian mentioned his goal is to get the field to 100ppm of available Phosphate. Is my understanding correct that the P1 test should then target 44ppm of P ? I calculated 100ppm P2O5 x 0.44 = 44ppm P? Please help me understand if this is correct - thanks!
Everybody say that 1 ppm equals 2 lbs per acre on 6 inch soil sample, yet different extraction methods have different ppm readings, wouldn't that result in different fertilizer recommendations?
I just have 10% of zinc sulfate blended into my sulpher fertilizer every third year. Does that sound like too much?
Brian and Darren addressed your question on Ag PhD Radio: on.soundcloud.com/bUg35E7tr49rNELL8 (the link should take you to 22:51 within the 10/18/24 show).
2:45 - Brian mentioned his goal is to get the field to 100ppm of available Phosphate. Is my understanding correct that the P1 test should then target 44ppm of P ? I calculated 100ppm P2O5 x 0.44 = 44ppm P? Please help me understand if this is correct - thanks!
Brian and Darren addressed your comment (referred to you as "Matt") on Ag PhD Radio: soundcloud.com/agphd/12-21-20-prepay-benefits-and-risks#t=23:12
Everybody say that 1 ppm equals 2 lbs per acre on 6 inch soil sample, yet different extraction methods have different ppm readings, wouldn't that result in different fertilizer recommendations?
Brian and Darren addressed this recently on Ag PhD Radio: soundcloud.com/agphd/11-08-18-soybean-seed-treatments#t=56:10