NE Indiana-Fort Wayne and NE China | ,I think you're barking up the wrong tree men. Biology trumps chemistry. Biology needs good balanced chemistry but good balanced chemistry without a healthy growing cross-section of life forms in the soil will not haul the load. The biggest nutrient of all is AIR and this is why calcium levels and colloid floculation and soil aggregation is so critical to plant health which includes plenty of magnesium for making lots of sugar. |