ihe nkiri a ga-eji:
1. Nri anụ ọkụkọ: ọkụkọ, ọbọgwụ, ezi (ezi, anụ na-aṅụ ara), ọgazị, nri pellets; Nri anụ ọkụkọ na anụ ụlọ: nha oghere φ2.0mm-4.5mm
2. Anụ anụ na anụ ọkụkọ: ehi na atụrụ na-azụ pellet; nri ehi na atụrụ: 4.5mm-10mm
3. Nri mmiri mmiri: azụ, oporo, nshịkọ nri mmiri: oporo, azụ, nri nshịkọ: oghere oghere 0.8mm-2.0mm
4. Ihe ndị na-awụba n'oké osimiri: tofo cat-awụba n'oké osimiri: 1.2mm-2.0mm
5. Ihe ọkụkụ mmanụ biomass: ibe osisi, shavings, alfalfa, hops, pine, osisi dị iche iche, alaka oliv, osisi sawn, ahịhịa, nkwụ, osikapa, akpa akpa, osisi biomass sawdust: 5.0mm-20mm
6. Organic fatịlaịza ụmụ irighiri: arụpụtara site na anụ ọkụkọ na nri anụmanụ ndị ọzọ. Organic ngwakọta fatịlaịza: 4.5mm-15mm
7. Akụkụ carbon columnar arụ ọrụ: 3.5mm-10mm
8. Ndị ọzọ: ezi ezi, òké, oke bekee, eju, nnụnụ, 1.5mm-3.0mm