Recently Published
Most Viewed
Kalium Sulfat dan Kalium Klorida sebagai Sumber Pupuk Kalium pada Tanaman Bawang Merah Image
Journal article

Kalium Sulfat dan Kalium Klorida sebagai Sumber Pupuk Kalium pada Tanaman Bawang Merah

. Gunadi, N. 2009. Potassium Sulphate and Potassium Chloride as Sources of Potassium Fertilizeron Shallots. An experiment to determine the effect of 2 sources of potassium fertilizer i.e. potassium sulphate (K2SO4)and potassium chloride (KCl) and the rate of potassium fertilizer on the growth and yield of shallots was conductedat farmer's field in Ciledug Village (12 m asl.), Cirebon, West Jawa from June until August 2003. Two sources ofpotassium fertilizers i.e. potassium sulphate and potassium chloride were assigned as main plots and the rates ofpotassium fertilizers i.e. 50, 100, 150, 200, and 250 kg/ha were assigned as subplots. The experiment was arrangedin a split plot design with 3 replications. The results indicated that the effect of source of potassium fertilizer was notsignificantly affect the growth parameters such as plant height, shoot number, leaf number, and dry weight of plant.While at harvest, however, the effect was significant. The application of potassium sulphate gave higher dry yieldper plant, fresh yield per plot, and dry yield per plot (15 m2) compared to potassium chloride. The use of potassiumsulphate did not significantly increase the quality of shallot bulb at harvest compared to the use of potassium chloride.The effect of potassium fertilizer rate was not pronounced on some growth parameters and yield of shallots such asplant height, shoot number per plant, and leaf number per plant, total plant dry matter, fresh and dry yield either perplant or per plot (15 m2).
Respons Tanaman Bawang Merah terhadap Pemupukan Fosfat pada Beberapa Tingkat Kesuburan Lahan (Status P\u002DTanah) Image
Journal article

Respons Tanaman Bawang Merah terhadap Pemupukan Fosfat pada Beberapa Tingkat Kesuburan Lahan (Status P-Tanah)

. Sumarni, N, Rosliani, R, Basuki, RS, and Hilman, Y 2012. Response of Shallots Plant to Phosphat Fertilization on Several Soil Fertility Levels (Soil-P Status). To achieve an optimum yield, fertilization should be applied based on plant nutrient requirement and soil nutrient content. This experiment was carried out at Screenhouse of Indonesian Vegetable Research Institute from May to December 2008, to find out the optimum dosage of P fertilizer for two shallots varieties on several soil fertility levels (soil-P status). A split-split plot design with three replications was set up for this experiment. Main plots were shallots varieties i.e.: Bangkok and Kuning. Subplots were three soil-P statuses i.e.: low (<15 ppm P2O5), medium (16–25 ppm P2O5), and high (>26 ppm P2O5). Sub-subplots were five levels of P fertilizer dosage of 0, 60, 120, 180, and 240 kg/ha P2O5. Nitrogen fertilizer of 150 kg/ha and K fertilizer (K2O) of 150 kg/ha were applied to all. The results showed that there were interaction effect among varieties, soil-P status, and P fertilizer dosages influencing leaf area, fresh, and dry weight of bulb yield, and P uptake by shallots plant. The optimal dosage of P fertilizer for Bangkok and Kuning varieties on low and medium of soil-P status was still unknown yet, since the relation response curve of relationship between P fertilizer dosages and dry bulb yield was still linear. Meanwhile, in high of soil-P status, the response curve was quadratic for both Bangkok and Kuning varieties. The maximum dry bulb yield was obtained by 126.50 kg/ha P2O5 for Bangkok and 0 kg/ha P2O5 for Kuning. The higher of P fertilizer dosage applied, the higher of residual of P fertilizer detected in soil. The optimum dosage of P fertilizer for shallots production was different depend on variety and soil-P status.
Efektivitas Pengelolaan Pupuk Organik, NPK, Dan Pupuk Hayati Terhadap Pertumbuhan Dan Hasil Bawang Merah Image
Efektivitas Pengelolaan Pupuk Organik, NPK, Dan Pupuk Hayati Terhadap Pertumbuhan Dan Hasil Bawang Merah Image
Journal article

Efektivitas Pengelolaan Pupuk Organik, NPK, Dan Pupuk Hayati Terhadap Pertumbuhan Dan Hasil Bawang Merah

Pertumbuhan dan Hasil Bawang Merah dengan Aplikasi Pupuk Organik dan Pupuk Hayati pada Tanah Alluvial Image
Pertumbuhan dan Hasil Bawang Merah dengan Aplikasi Pupuk Organik dan Pupuk Hayati pada Tanah Alluvial Image
Journal article

Pertumbuhan dan Hasil Bawang Merah dengan Aplikasi Pupuk Organik dan Pupuk Hayati pada Tanah Alluvial

Keragaman Genetik Plasma Nutfah Rambutan di Indonesia Berdasarkan Karakter Morfologi Image
Keragaman Genetik Plasma Nutfah Rambutan di Indonesia Berdasarkan Karakter Morfologi Image
Journal article

Keragaman Genetik Plasma Nutfah Rambutan di Indonesia Berdasarkan Karakter Morfologi

Suggested For You
Tanaman Penghalang Dan Ekstrak Daun Pagoda Untuk Mengendalikan Bean Common Mosaic Virus Pada Kacang Panjang Di Lapangan Image
Journal article

Tanaman Penghalang Dan Ekstrak Daun Pagoda Untuk Mengendalikan Bean Common Mosaic Virus Pada Kacang Panjang Di Lapangan

Bean common mosaic virus (BCMV) merupakan salah satu virus penting penyebab penyakit mosaik pada kacang panjang. Di lapangan, virus ini ditularkan dan disebarkan oleh kutudaun secara nonpersisten dan terbawa benih sehingga pengendalian BCMV yang tepat perlu diupayakan. Penelitian bertujuan menguji keefektifan tanaman penghalang dan ekstrak daun pagoda yang diaplikasi secara tunggal atau kombinasi terhadap penekanan infeksi BCMV di lapangan. Jagung sebagai tanaman penghalang ditanam 4 minggu sebelum kacang panjang. Penyemprotan ekstrak daun pagoda pada daun dilakukan 1 hari sebelum penularan BCMV. Penularan BCMV oleh Aphis craccivora bersayap yang mengandung virus serta dilepaskan pada empat titik di lapangan. Peubah yang diamati adalah periode inkubasi, kejadian dan keparahan penyakit, serta titer BCMV. Gejala yang teramati bervariasi dari mosaik ringan sampai mosaik berat, mosaik kuning, kuning, tulang daun menjaring, serta malformasi daun dan buah. Periode inkubasi dari tanaman perlakuan relatif 1–2 hari lebih lama dibanding kontrol tanpa perlakuan. Kejadian, keparahan penyakit, dan titer BCMV dari tanaman perlakuan nyata lebih rendah dibandingkan kontrol. Di antara semua perlakuan yang diuji, aplikasi tanaman penghalang dikombinasikan dengan ekstrak daun pagoda merupakan perlakuan yang paling baik dalam menekan BCMV sebesar 68,43% di lapangan.
Read more articles