Table 5: Percent total phosphorus contents of grass detritus.

Grass Before incubation Week 2 Week 4 Week 6 Week 8 Week 10
U D U D U D U D U D
Chloris gayana 2.83 2.66 2.75 2.81 2.9 3.04 2.91 3.07 3.11 3.14 3.34
Panicum coloratum 2.33 1.92 2.18 1.94 2.27 1.92 2.13 2.24 2.37 2.46 2.53
Pennisetum purpureum 1.86 1.74 1.58 1.72 1.73 1.81 1.79 1.76 1.84 1.91 2.14

U= Upstream location, D= Downstream location.