MODEL FUNGSI HASIL SAYURAN CAISIM, BAYAM DAN SELADA

ARIF, RAHMAN and Purnomo, Rahmad Hari and Agustina, Hilda (2013) MODEL FUNGSI HASIL SAYURAN CAISIM, BAYAM DAN SELADA. Undergraduate thesis, Sriwijaya University.

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Abstract

Penelitian ini bertujuan mengetahui variabel yang mempengaruhi hasil dan membentuk model prediksi serta melakukan skenario hasil optimum sayuran Caisim, bayam dan selada. Penelitian ini telah dilaksanakan di Rumah Tanaman Jalan Syakyakirti, Kelurahan Karang Anyar, Kecamatan Gandus Palembang dan Laboratorium Jurusan Tanah, Fakultas Pertanian, Universitas Sriwijaya, Indralaya mulai Maret 2012 sampai dengan Januari 2013. Metode yang digunakan adalah pengamatan dan pengambilan data lapangan serta pembentukan model fungsi hasil sayuran dengan menggunakan analisis regresi linier sederhana dan analisis regresi kuadratik (multi variabel). Variabel dependen yaitu hasil ketiga jenis sayuran (caisim, bayam dan selada), sedangkan variabel independen terdiri dari pemberian air (Xi), intensitas cahaya (X2), kelembaban udara (X3), suhu udara (X*), bahan organik tanah (Xs), pH tanah (X^) dan pemberian pupuk (X7). Hasil penelitian menunjukkan terdapat tiga variabel independen yang paling berpengaruh terhadap hasil sayuran caisim yaitu pemberian air (Xi), intensitas cahaya (X2) dan bahan organik tanah (X3), untuk sayuran bayam yaitu intensitas cahaya (Xi), kelembaban udara (X2) dan bahan organik tanah (X3), sedangkan untuk sayuran selada yaitu pemberian air (Xi), kelembaban udara (X2) dan bahan organic tanah (X3). Pemilihan tiga variabel independen berdasarkan nilai R2 yang besar menggunakan analisis regresi linier sederhana. Analisis regresi kuadratik dilakukan untuk membentuk model persamaan hubungan variabel dependen dan variabel independen. Model persamaan untuk hasil sayuran caisim yaitu Y = 7,479 + 1,599 X1+ 0,00092 X2 + 1,822 X3 + 0,0016 X,2 - 0,000000017 X22 - 0,108 X32, hasil sayuran bayam yaitu Y = 10,388 - 0,000254 X\ - 1,981 X2 + 12,024 X3 + 0,0000000082 Xi2 + 0,0160 X22 - 0,457 X32 dan hasil sayuran selada yaitu Y = 13,560 + 6,422 X, + 0,222 X2 - 3,164 X3 - 0,444 X,2 - 0,0022 X22 + 0,139 X32. Variabel independen yang paling berpengaruhi terhadap hasil sayuran caisim yaitu pemberian air, untuk sayuran bayam yaitu bahan organik tanah dan untuk selada yaitu pemberian air.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Hasil Sayuran, Model Fungsi
Subjects: S Agriculture > S Agriculture (General) > S560-571.5 Farm economics. Farm management. Agricultural mathematics. Including production standards, record keeping, farmwork rates, marketing
Divisions: 05-Faculty of Agriculture > 41201-Agricultural Engineering (S1)
Depositing User: Mr Halim Sobri
Date Deposited: 05 Aug 2022 03:36
Last Modified: 05 Aug 2022 03:36
URI: http://repository.unsri.ac.id/id/eprint/75476

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