Abstract
The aim of the research was to study the effect of calors plastic shade and dosage organic fertilizer and the interaction on the growth analyze of Shallots. The experiment was conducted in experiment field of Agriculture Faculty, University Muhammadiyah of Jember.The experiment was arranged in Randomized Block Design consisted of 4 x 3 factorial treatments with three replications. The first factor were 3 levels of Transparent Plastic Shelter, i.e.: clear, blue, and red. The second factor were 4 levels of compost organic fertilizer application, i.e.: 15, 20, 25 and 30 t/ha. The results showed a significant interaction between the color shade of plastic and a dose of organic fertilizer on the parameters of leaf area age 60 days after planting and leaf area index age 60 days after planting, treatment shade of blue with organic fertilizer 30 tons / ha showed the best effect on leaf area and treatment shade of blue with dosages of 25 tons / ha showed the best effect on leaf area index. Use of shade of blue give the best effect on leaf area age 60 hst and shade of red gives the best effect on the growth rate of plants. The treatment dose of organic fertilizer 25 tons / ha gives the best effect on leaf area index age of 60 days after planting, the rate of plant growth, and relative growth rate, and treatment with a dose of fertilizer 30 ton / ha.
Highlights
The aim of the research was to study the effect of calors plastic shade and dosage organic fertilizer and the interaction on the growth analyze of Shallots
The results showed a significant interaction between the color shade of plastic and a dose of organic fertilizer on the parameters of leaf area age 60 days after planting and leaf area index age 60 days after planting, treatment shade of blue with organic fertilizer 30 tons / ha showed the best effect on leaf area and treatment shade of blue with dosages of 25 tons / ha showed the best effect on leaf area index
Gambar 2. (A) Pengaruh Pupuk Organik Terhadap Indek Panen Tanaman, (B) Pengaruh Naungan Plastik terhadap Indek Panen Tanaman, dan (C) Interaksi Pupuk Organik dengan Naungan Plastik terhadap Indek Panen Tanaman
Summary
Pengukuran luas daun tanaman merupakan salah satu pengamatan yang cukup penting dalam penelitian fisiologi dan agronomi. L982 dan Bilman, 2001, Laju Pertumbuhan Tanaman (LPT) pada menyatakan kecepatan fotosintesis mencapai naungan Biru (W2), yang berbeda nyata kondisi maksimum menandakan indek luas dengan naungan yang lainnya (W1 dan W3). Diperolehnya Indek Luas Daun (ILD) yang sudah mencukupi kebutuhan unsur tanaman tetinggi pada perlakuan N3 (25 ton/ha) dan bawang merah, dan W2 (naungan Biru) lebih banyak menyalurkan cahaya yang dibutuhkan tanaman dalam proses fotosintesisnya, sehingga memacu tanaman bawang merah menyerap unsur hara, air dan cahaya matahari secara optimum. 2), diduga bahwa pada perlakuan tersebut kebutuhan akan unsur hara untuk pertumbuhan tanaman bawang merah telah tercukupi, dengan tercukupi unsur hara tanaman, dan cahaya matahari terpenuhi, proses metabolisme yang terjadi di dalam tanaman dapat berjalan optimum. Tanaman yang ternaungi jumlah cahaya yang masuk akan berkurang, hal ini mengakibatkan proses fotosintesis tidak dapat berjalan optimal sehingga pembentukan organ tanaman juga terhambat seperti daun dan stolon (Noviyanti, dkk., 2014)
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