a. A na-ejikọta ihe dị iche iche na-akwalite mgbọrọgwụ na nkà mmụta sayensị iji mee ka osisi gbanye mgbọrọgwụ siri ike, na-eweghachi ngwa ngwa ma kwalite ume mgbọrọgwụ, rụzie mgbọrọgwụ mebiri emebi, mgbọrọgwụ mgbawa, na-akwalite uto nke mgbọrọgwụ ọhụrụ na mgbọrọgwụ ntutu, na-ewusi mgbọrọgwụ ochie ike, na ịkwalite mgbọrọgwụ. mmepe nke usoro mgbọrọgwụ ihe ọkụkụ na uto nke otu mgbọrọgwụ.
b. Mee ka ike nke ihe ọkụkụ dịkwuo mma, na-akwalite nnabata nke nri, na-ewusi mgbọrọgwụ ike ma chebe akwụkwọ, ma belata odo.
c. Mezie ala pH, melite ala anụ ahụ Njirimara, ibelata compaction, welie mmiri na fatịlaịza ikike, na-abawanye uru microorganisms na rhizosphere, belata mgbọrọgwụ nsi, nwụrụ anwụ mgbọrọgwụ, na rere ere, na melite absorption na itinye n'ọrụ ọnụego nke fatịlaịza ndị ọzọ.
d. Mee ka photosynthesis dịkwuo mma, gbanye mgbọrọgwụ ngwa ngwa ma kwalite uto nke akwụkwọ ndụ akwụkwọ ndụ akwụkwọ ndụ, akwụkwọ ndụ akwụkwọ ndụ na akwụkwọ ndụ akwụkwọ ndụ, welie uto, okooko osisi na mkpụrụ osisi buru ibu, na-amụba mkpụrụ na mma mma.
e. Na-akpali ọrụ cell, kwalite ihe mgbochi ihe ọkụkụ, belata mmebi pesticide dị iche iche na fatịlaịza, welie ihe ọkụkụ na-eguzogide ụkọ mmiri ozuzo, idei mmiri, oyi na nrụgide ndị ọzọ, ma gbochie ịka nká.
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