w Flashcards

(10 cards)

1
Q

Sedimentasi

A

proses pengendapan partikel-partikel batuan yang terbawa oleh air, angin, atau gelombang laut.

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2
Q

Pembentukan Tanah

A

suatu benda alam yang tersusun dari mineral, organik, cairan, dan gas yang menempati ruang

Bahan Penyusun Tanah: Mineral, Bahan organik, Air, Udara

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3
Q

Horizon O

A

Tanah organik

kaya akan bahan organik hasil pelapukan tumbuhan dan hewan.

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4
Q

Horizon A

A

Tanah humus

Lapisan tanah atas yg subur, banyak mengandung mineral, bahan organik.

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5
Q

Horizon E

A

Lapisan eluvial atau pencucian tanah

pencucian mineral (eluviasi) dan berwarna lebih terang.

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6
Q

Horizon B

A

Lapisan iluviasi atau penumpukan

mengandung banyak mineral hasil pencucian dari lapisan atas.

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7
Q

Horizon C

A

batuan induk / bedrock

mengalami pelapukan, tetapi belum sepenuhnya menjadi tanah.

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8
Q

R horizon bedrock

A

Lapisan dasar berupa batuan keras yang belum mengalami pelapukan.

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9
Q

Konservasi tanah

A

upaya melindungi dan memelihara tanah

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10
Q

Erosi

A

proses pengikisan tanah atau batuan oleh air, angin, es, atau gravitasi.

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