21 October, 2005
Installed 20 mesh bags in each a warm season grass filter,a cool season grass filter and a crop field and 40 mesh bags in a woody buffer.
Installed 20 mesh bags in each a warm season grass filter,a cool season grass filter and a crop field and 40 mesh bags in a woody buffer.
Fig. 1. Buried mesh bags contained crop remains in the crop field
Sampled soil cores (5 cores in each points of Ron Risdal farm), seperated two parts and inserted a part into poly-bags and then brought another part to lab and extrated N with KCl(2M)
Fig. 2. Buried a poly-bag contained with intact soil in crop field for N mineralization experiment
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