provide with fertilizers or add nutrients to

make fertile or productive

introduce semen into (a female)

an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life

(genetics) the diploid cell resulting from the union of a haploid spermatozoon and ovum (including the organism that develops from that cell)

any substance such as manure or a mixture of nitrates used to make soil more fertile