I ka kohoʻana i nā hānai hānai, e hana ana nā mahiʻai a me nā mea mahiʻai i ke kaʻina kūʻai / ka maikaʻi. No laila, i ke kūʻaiʻana e ho'āʻo e koho i kahi mele a puni. ʻAeʻia nāʻano maniʻili kūmoleʻanoʻano'Ammophos i kēia manawa, a i kēia lā, e nānā kākou i keʻano o ka pailaʻana. Ka hanaʻana o nā meaʻaila mehe kolamuʻO ka papa hana o ammophos nā mea nuiʻelua: monoammonium a diammonium phosphate.
WaeʻAno ʻAla waina
I ke kauwela e mālama pono ka waina. Ua hāʻawi muaʻo ia i kona ikaika a pau i ka uluʻana o ka mea kanu, aʻo ka hana nui a ka mea nāna e'āwai e hoʻomākaukau pono i ka hua no ka hoʻomaha hoʻomaha. ʻOiaʻiʻo, ua loheʻoe iʻoi aku ma mua o hoʻokahi manawa ua pau ka huawaina i kekahi māhele, a ma kahi kokoke mai he manawa maikaʻi ia. No ke aha e hilinaʻi ai,ʻoiaʻiʻo, ma nāʻano like wale nō?
Loaʻa i nā kauwela kauwela ka hoʻolālā e kanu i ko lākou wahi. ʻO kahi kumu lāʻau momona he mea kanu i ka nani i kahi papa, a lawe pū mai hoʻi i nā pōmaikaʻi mai ka uluʻana. ʻO ka hua waina he mea kanu kahiko loa ia e kanu ai nā kānaka. ʻO nāʻike e pili ana i ka mahiʻana i kēia mea kanu i ka wā kahiko, aia ma nā wahi kokoke i ke Kai Moana Mediterranean, ma Crimea a ma Central Asia.