Sökresultat - "Pyrethrum (Plant) Papua New Guinea"

People of a mountain village grow pyrethrum : a story about the work of an assistant agricultural officer who helps his people of the mountain villages in the Highlands to grow goo...

Ämnen: “…Pyrethrum (Plant) Papua New Guinea.…”

Chemical assay of pyrethrum grown in Enga gardens and in clonal trials at Sirunki / av Day, S. R.

Ämnen: “…Pyrethrum (Plant) Papua New Guinea Enga Province Analysis.…”

Pyrethrum.

Ämnen: