Paddy soil has different morphology and pedogenic characteristics compared to dry land. due to the influence of inundation during several months in a year. Puddling and drying that occurs in turns (redox cycle) in paddy soil can lead to the formation of concretions or rusty Fe and Mn. The main purpose of this study was to understand the changing of the morphological and chemical prope... https://steedaes.shop/product-category/clothing-promotional/