Bahan Organik Tanah
Quiz
•
Science
•
University
•
Practice Problem
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Medium
Titin Setianingsih
Used 3+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Heri, Agus, dan Dewi sedang belajar tentang tanah. Mereka menemukan bahwa tanah tersusun dari empat komponen utama, yaitu:
25 % Air, 25 % Water, 45 % mineral, 5 % Organic Matter
20 % Air, 20 % Water, 50 % mineral, 10 % Organic Matter
30 % Air, 15 % Water, 50 % mineral, 5 % Organic Matter
20 % Air, 10 % Water, 50 % mineral, 20 % Organic Matter
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Bahan organik Tanah yiatu
bahan yang berasal dari sisa-sisa makhluk hidup. Seperti halnya berupa sisa tanaman, hewan mati, produk mikroba, serta masukan rizosfer
Bahan yang berasal dari yang berasal dari sisa tanaman dan hewan di dalam tanah seperti sisa tanaman, hewan mati, produk mikroba, serta masukan rizosfer dan terdekomposisi di dalam tanah
Bahan yang berasal dari yang berasal dari sisa tanaman dan hewan di dalam tanah seperti sisa tanaman, hewan mati, produk mikroba, serta masukan rizosfer dan belumterdekomposisi
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Berikut yang termasuk sumber primer bahan organik tanah adalah
Pupuk hijau
Kompos
Serbuk gergaji
Akar dan daun tanaman
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Penambahan bahan organik dapat dilakukan melalui cara berikut, kecuali:
Pembakaran sisa tanaman
Pemberian pupuk kandang
Aplikasi kompos
Penggunaan pupuk hayati
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salah satu strategi konservasi bahan organik tanah adalah
Pengolahan tanah intensif
Penambahan herbisida
Olah tanah minimum
Pemberian pupuk NPK sintetis
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Faktor penting dalam optimalisasi dekomposisi bahan organik tanah adalah
Rasio C/N yang tinggi, tanah kering, dan suhu rendah
Rasio C/N seimbang, kelembaban cukup, dan mikroba dekomposer aktif
Penambahan pestisida dan herbisida
Pengapuran dan penambahan dolomit
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manfaat utama bahan organik dalam meningkatkan kesuburan tanah adalah
Mengurangi aktivitas mikroba tanah
Menghasilkan logam berat
Meningkatkan kapasitas tukar kation (KTK)
Meningkatkan suhu tanah
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