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PENGARUH DERAJAT KEASAMAN TANAH TERHADAP PERTUMBUHAN TANAMAN

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Tingkat keasaman atau pH yang baik untuk tanah adalah pH netral sekitar 6,5-7,8 karena kandungan senyawa organik, mikroorganisme, unsur hara, dan mineral yang optimal. Jika tanah terlalu asam, klorofil rusak dan mengganggu proses fotosintesis. Ciri-ciri tanah dengan ph masam berwarna merah kekuningan. Tanah harus dicampur dengan kapur untuk mengurangi keasamannya. Sedangkan tanah dasar dapat menyebabkan unsur hara terikat secara kimiawi dan diserap tanaman. Sehingga tanah dengan ph dasar tidak cocok untuk tanaman.

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Uploaded on
June 11, 2023
Number of pages
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Written in
2022/2023
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PENGARUH DERAJAT KEASAMAN TANAH
TERHADAP PERTUMBUHAN TANAMAN

Ada tiga jenis ph yang mendasari karakteristik tanah :
1). PH Asam
Kadar pH dalam tanah asam biasanya
dimiliki oleh tanah gambut yang cenderung
mempunyai kandungan hydrogen, aluminium dan
belerang tinggi. Ph asam pada tanah menyebabkan
daya larut terhadap asam fosfat, kalsium, dan
magnesium. Pada kondisi asam biasanya tanaman
tidak mampu tumbuh dengan baik karena zat hara
tidak dapat diserap oleh tumbuhan secara optimal.
Tanah dengan ph asam dan diatas suhu 26°C
menyebabkan pertumbuhan dan penyebaran penyakit
yang disebabkan oleh jamur, salah satunya adalah
busuk akar.


2). PH Netral
Tanah dengan pH netral pada ph 6,5 hingga 7,8
merupakan pH ideal dengan kandungan senyawa
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