Ebumnuche:

Usoro nke a na-eji etinye nitrogen dị elu n'ime ngwaahịa ahụ ma nọgide na-enwe nrụgide ahụ ruo oge ụfọdụ, wee lelee nrụgide ahụ ma lelee mbelata ahụ.

Jiri:

1. Site na nitrogen dị elu, a na-emepụta mmetụta nke ịgbado ọkụ na mgbawa mebere emebere, a na-ekpughekwa obere oghere ntapu mgbe agbatịchara ya, ka e wee kwadebe maka nzọụkwụ ọzọ nke nyocha dị mma, iji melite mma ngwaahịa.

2. Site na nchọpụta nke nnukwu ntapu n'oge iji chọta ngwaahịa ahụ, enwere nnukwu ntapu, ka e wee zere ịbanye na usoro ọzọ nke ihe mkpofu na mfu oge.