Abstract
Badriah B, Inonu I, Asriani E. 2019. Growth of one year old pepper (Pipper nigrum L.) in post tin mining land using different dosage biofertilizer. Jurnal Lahan Suboptimal: Journal of Suboptimal Lands. 8(2):117-125. The yield of pepper as important spice plant has been decreased due to the reduction of pepper planting area which are converted into tin mining area. One effort can be done is utilizing suboptimal lands that has low soil fertility. The aim of this research was to determine the effect of biofertilizer dosage on one year old pepper to growth in post tin mining land. This research had been conducted from February 2018 until June 2018 in post tin mining land owned by PT Timah at Dwi Makmur Village, Bangka. The research used expremental method with Completely Randomized Block Design (CRBD) with single factor. The factor was biofertilizer dosage: (0,0; 0,5; 1,0; 5,0; 10,0; and 15,0 g/L/plant). The result showed enrichment biofertilizer significantly effect on chlorophyll content and number of branch, but not significantly on plants height, number of nodes, and leaf area. The treatment dosage 10 g/L/plant (1x108 cfu) was the best inclined result growth of one year old pepper plant in post tin mining land.
Highlights
Lada merupakan salah satu tanaman rempah yang produksinya terus menurun akibat penurunan luasan tanam menjadi area penambangan timah
The yield of pepper as important spice plant has been decreased due to the reduction of pepper planting area which are converted into tin mining area
The aim of this research was to determine the effect of biofertilizer dosage on one year old pepper to growth in post tin mining land
Summary
Penelitian dilaksanakan di lahan bekas tambang timah milik PT Timah di Desa Dwi Makmur, Kecamatan Merawang Kabupaten Bangka. Analisis ragam menunjukkan bahwa pemberian dosis pupuk hayati yang berbeda pada tanaman lada umur satu tahun berpengaruh nyata pada peubah jumlah cabang dan kandungan klorofil, dan berpengaruh tidak nyata pada peubah pertambahan tinggi tanaman, pertambahan jumlah ruas, dan pertambahan luas daun. Hasil analisis ragam pertumbuhan tanaman lada umur satu tahun pada lahan bekas tambang timah dengan penambahan pupuk hayati (Tabel 2). Perbedaan rerata kandungan klorofil berdasarkan Duncan’s Multiple Range Test (DMRT) (Tabel 3). Penambahan dosis pupuk hayati perlakuan B4 (10 g/L/tanaman) memberikan pengaruh yang lebih baik pada peubah kandungan klorofil, berbeda nyata dengan perlakuan B5 (15 g/L/tanaman) dan B1 (0,5 g/L/tanaman). Perbedaan rerata Hasil dari pertambahan jumlah cabang berdasarkan Duncan’s Multiple Range Test (DMRT) (Tabel 4). Hasil analisis ragam tanaman lada pada minggu ke-12 setelah aplikasi penambahan dosis pupuk hayati yang berbeda
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