Skip to main content

Advertisement

Table 1 Chemical determinations on plant residues used as composting feedstock

From: Effects of on-farm composted tomato residues on soil biological activity and yields in a tomato cropping system

  Chemical features
Residues N (%) P (%) K (%) Ca (%) Mg (%) Na (%) Mn (ppm) Cd (ppm) Cr (ppm) Cu (ppm) Pb (ppm) Zn (ppm)
Tomato 2.1 0.0062 3.04 1.46 0.20 0.57 140.94 0.253 32.33 55.81 1.06 nd
Escarole 3.8 0.0154 3.09 1.01 0.17 0.33 35.71 0.166 4.31 112.75 nd nd
Woodchip 1.0 0.0004 0.06 0.39 0.06 0.12 7.96 0.143 6.71 5.42 nd nd
  1. nd, not detected.