Youjun Deng, Department of Soil & Crop Sciences,, Texas A&M University, College Station, TX, Lian Liu, Department of Soil and Crop Sciences, Texas A&M University, College Station, TX, Marek Szczerba, Krakow Research Centre,, Institute of Geological Sciences, Polish Academy, Krakow, Poland, Ana L. Barrientos Velazquez, Department of Soi and Crop Sciences, Texas A&M University, College Station, TX and Joe Dixon, Department of Soil & Crop Sciences, Texas A&M University, College Station, TX