Njirimara:
* Igwe otu igwe nwere ike ijikwa 3000 mu nke ala, ogo akpaaka dị elu, ọrụ dị mfe, oriri ike dị ala, ọnụ ahịa ọrụ dị ala.
* Ahịhịa kwesịrị ekwesị: alfalfa, ọka, ọka wit, poteto, beet sugar, cereal na ihe ọkụkụ ndị ọzọ a kụrụ n'ubi *Uniform ogbugba mmiri n'ubi, spraying uniformity ọnụọgụ nwere ike iru karịa 85%, obere ego na-eri, ọrụ ndụ afọ 20.
* Ngwá ọrụ nchekwa mmiri, mmetụta nchekwa mmiri nwere ike ịbawanye site na 50%, kwa uru mmepụta mu iji nye 30-50%.