Table 6: Selected soil nutrient measurements following the 5th harvest.

Depth (cm)B. tectorum without competitionB. tectorum in competitionPerennial grassesANOVA

Mineral nitrogen (mmol kg−1)Plant
0–300.97AB0.90AB0.27BDepth
30–600.90AB1.31A1.33AInter.

Mole % in mineral nitrogen poolPlant
0–3034B59A65ADepth
30–6016B23B18BInter.

Soil solution phosphorus ( mol L−1)Plant
0–309.29.37.7Depth
30–603.74.23.8Inter.