E huli no: Ke po‘o inoa Ka mea kākau Ke kumuhana Ke ka‘īna Ka helu kuhi puke i ho‘omaka me 10 20 30 50 100 O nā ʻaoʻao pākahi < Nā po‘omana‘o mua 10 Nā po‘omana‘o a‘e mua 10 > Māka‘ika‘i i nā po‘omana‘o # Soil conservation 8 SEE ALSO narrower term: Conservation tillage 2 Soil conservation -- Case studies. 1 Soil conservation -- Juvenile literature. 5 Soil conservation -- United States -- Encyclopedias. 1 Soil conservation -- United States -- Handbooks, manuals, etc. 1 Soil conservation -- United States -- History -- 19th century. 1 Soil degradation. 1 Soil degradation -- Juvenile literature. 1 Soil ecology. 23 Soil ecology -- Experiments. 1 10 20 30 50 100 O nā ʻaoʻao pākahi < Nā po‘omana‘o mua 10 Nā po‘omana‘o a‘e mua 10 >