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The yield of plants depends directly on the amount of plant food available. Base your fertilizer quantity on the pre-plant soil test, leaf analysis and district experience The main nutrient : Nitrogen (N), Phosphorus (P) and Potassium (K), Calcium (Ca), Magnesium (Mg), Sulphur (S) & Fe, Mn, B, Mo, Cu, Zn, Cl VIII. MANAGE OF FERTILIZING MANAGE OF FERTILIZING

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VII I . MANAGE OF FERTILIZING. The yield of plants depends directly on the amount of plant food available. Base your fertilizer quantity on the pre-plant soil test, leaf analysis and district experience - PowerPoint PPT Presentation

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Page 1: The yield of plants depends directly on the amount of plant food available

The yield of plants depends directly on the amount of plant food available.

Base your fertilizer quantity on the pre-plant soil test, leaf analysis and district experience

The main nutrient : Nitrogen (N), Phosphorus (P) and Potassium (K), Calcium (Ca), Magnesium (Mg), Sulphur (S) & Fe, Mn, B, Mo, Cu, Zn, Cl

VIII. MANAGE OF FERTILIZINGMANAGE OF FERTILIZING

Page 2: The yield of plants depends directly on the amount of plant food available

An Organic Fertilizer

Pupuk tunggal

mengandung satu macam unsur hara

Urea 46 % N Pupuk majemuk

mengandung lebih dari satu macam unsur hara

ZA 21 % N

24 % S

Page 3: The yield of plants depends directly on the amount of plant food available

TSP 48 % P2O5 SP 36 36 % P2O5

5 % S KCl 60 % K2O ZK 90 % K2O

Page 4: The yield of plants depends directly on the amount of plant food available

Pupuk Majemuk Untuk kemudahan aplikasi Mengandung lebih dari satu

unsur hara NPKS 15 – 15 – 15 - 10

(15 % N, 15 % P2O5, 15 % K2O, 10 % S)

NPKMg 12 – 12 – 17 – 2 NPK 10 – 10 – 10

Page 5: The yield of plants depends directly on the amount of plant food available

Keuntungan dan kerugian pupuk an org

Keuntungan : Mudah diperoleh Pengangkutan mudah Hasil cepat tampak Kandungan hara jelas (kuantitatif) Kebutuhan dapat dihitung

Kelemahan/Kerugian Harga mahal Ketergantungan Mempengaruhi pH tanah

Page 6: The yield of plants depends directly on the amount of plant food available

Organic fertilizerOrganic fertilizer pupuk kandang

sisa/kotoran hewan kompos sisa tanaman yg

dibuat oleh manusia agar mengalami proses dekomposisi jerami, bagas, bokashi

humus sisa tanaman yg telah terdekomposisi

Tanah 20 % Bahan Organik

Page 7: The yield of plants depends directly on the amount of plant food available

Keuntungan dan kerugian ppk organik

Keuntungan : Perekat butiran tanah Sumber utama unsur N, P dan S Meningkatkan kemampuan tanah menahan air dan

hara Sumber energi bagi jasad mikro

Kelemahan/Kerugian Tidak ringkas, volumemetrik (bervolume besar) Pengangkutan/distribusi lebih sulit Hasil pemupukan tidak cepat tampak

Page 8: The yield of plants depends directly on the amount of plant food available

Modification organic fertilizer

pupuk organik yang dirubah bentuk

bentuk dan penampilan lebih baik

tetap bersifat organik ringkas tidak

volumemetrik

Page 9: The yield of plants depends directly on the amount of plant food available

Dosis Pupuk

Tanaman jagung ditanam dengan jarak tanam 70 x 30 cm. Setiap lubang tanam berisi dua tanaman.

Kebutuhan hara tanaman : 150 kg N/Ha, 300 kg P2O5 dan 100 kg K2O

Hitung : a. Dosis pupuk yang dibutuhkan

b. Kebutuhan pupuk per lubang tanam

Cara menghitung kebutuhan pupuk

Page 10: The yield of plants depends directly on the amount of plant food available

Applying FertilizerApplying Fertilizer Lewat Tanah - Pupuk organik diberikan sebelum tanam atau paling lambat

bersamaan taman; dengan mencampur rata pada media tanam atau hanya pada lubang tanam

- Pupuk an organik diberikan dengan memasukkan kedalam tanah dan kemudian ditutup agar pupuk kimia tidak mudah menguap

- Tempatkan pupuk pada daerah perakaran terluar, pada proyeksi garis luar kanopi

- Cepat & dlm jumlah yang sesuai kebutuhan tanaman

Page 11: The yield of plants depends directly on the amount of plant food available
Page 12: The yield of plants depends directly on the amount of plant food available

Hilling UpHilling UpPembubunan

- Menimbun pupuk yang telah diberikan

- Menambah media bagi perakaran

- Menambah media untuk perkembangan umbi

- Memperkuat tegak batang

- Memperbaiki drainase

Page 13: The yield of plants depends directly on the amount of plant food available
Page 14: The yield of plants depends directly on the amount of plant food available

FertilizingFertilizing Lewat Daun - Pupuk an organik berbentuk cair - Harus menggunakan alat unt

disemprotkan menjadi butiran air yg halus

- Harus pagi/sore hari saat intensitas matahari rendah agar larutan tidak mudah kering

- Lebih cepat masuk dalam jaringan tanaman

- Kemampuan mulut daun terbatas harus dilakukan berulang-ulang

+ Bisa bersamaan dengan aplikasi pestisida


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