Abstract
The objective oj the research was to study the effects oj organic matter and N, P, K Jertilizer on nutrients uptake andyield oj corn in Inceptisol Ternate. The design oj the research was Jactorial completely randomized block design with twoJactors. The first Jactor was the rate oj organic matter (0, 20, 40 tlha) or (B(), B, and B z) and the second Jactor was the rate oj N, P, KJertilizer (0.5; I and /.5 recommended rate) or (Flo F] and F JJ. The results oj research showed that combination oj B ,F] gave the highest amount oj the corn leave at 42 days afterplanting, the weight oj corn with husk cover, the weight corn grains, and K-availability oj soil. Whereas, the rate oj 20 tlhaorganic matter (B,) significantly increased and gave the highest weight oj corn without husk cover, NPK corn plant contentand P uptake. The average NPK plant uptake oJcorn was 31.41-39.39 kg Nlha, 6.03-/2.54 kg Plha, 37.5-41.70 kg Klha. The average production oj corn was 5. /6-7.83 tlha.
Highlights
The results oj research showed that combination oj B,F] gave the highest amount oj the corn leave at 42 days after planting, the weight ojcorn with husk cover, the weight corn grains, and K-availability ojsoil
Pengaruh jangka panjang pemberian pupuk organik dan inorganik serta kombinasinya terhadap perbaikan tanah masam Taman Bogo
Summary
Percobaan lapang dilaksanakan di Kelurahan Maliaro kecamatan Temate Selatan, kota Temate, sedangkan anal isis tanah dan tanaman di laboratorium Kimia dan Kesuburan Tanah Departemen Ilmu Tanah dan Sumber Daya Lahan Fakultas Pertanian Institu! Pertanian Bogor, yang berlangsung dari bulan Januari 2007 sampai Desember 2007. Percobaan lapang dilaksanakan di Kelurahan Maliaro kecamatan Temate Selatan, kota Temate, sedangkan anal isis tanah dan tanaman di laboratorium Kimia dan Kesuburan Tanah Departemen Ilmu Tanah dan Sumber Daya Lahan Fakultas Pertanian Institu! Pertanian Bogor, yang berlangsung dari bulan Januari 2007 sampai Desember 2007. Bahan yang digunakan terdiri dari bahan organik (pupuk kandang ayam), dan pupuk anorganik (urea, SP-36, dan KCI). Benih tanaman jagung yang digunakan varietas f.A., ~chma~: ~. ~OO~~ ~~~~a':!.h bahan organik dan pupuk NPI< terhadap serapan hara dan produksi. Pengaruh bahan organik dan pupuk NPK (f.A. Rachman) bisi-2. Pupuk kandang yang digunakan adalah kotoran ayam yang bereampur dengan serbuk gergaji pada alas kandang ayam, dengan eiri kimia yang tertera pada Tabel 2. Jenis analisis pH H20 (I : 1)total (%) C-organik (%) P-tersedia (ppm) Kation dapat ditukar (mellOO g) Ca Mg K Na AI H KTK efektif KB(%) Fe (ppm) Cu (ppm) Zn (ppm) Mn (ppm) Tekstur Tanah Pasir(%) Debu (%) Liat (%)
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