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Encep Hidayat Salim
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Agriculture, Biological Sciences & Forestry

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Studi Perubahan Unsur Kalium Akibat Pemupukan dan Pengaruhnya terhadap Hasil Tanaman Oviyanti Mulyani; Encep Hidayat Salim; Anni Yuniarti; Yuliati Machfud; Apong Sandrawati; Marisa Puspita Dewi
Soilrens Vol 15, No 1 (2017)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (579.621 KB) | DOI: 10.24198/soilrens.v15i1.13348

Abstract

Balanced fertilization is one solution to support sustainable agriculture.This experiment was conducted to determine the study of potassium caused by balanced fertilization. The experimental method used a Randomized Block Design (RBD) single factor with ten treatments and three replications, so the total is 30 experimental plots. The ten treatments consisted of : without fertilizer (0), ½, 1, 1,5 and 2 doses of organic fertilizer + without fertilizer (0), ¼, ½, ¾ and 1 doses of anorganic fertilizer. The results of this experiments showed that there were significant effects on potencial K, exchangeable K, K uptake and yield of pakchoy from combination of organic fertilizer with anorganic fertilizer. The treatment 1½ dose of organic fertilizer + 1 dose of anorganic fertilizer produce the highest yield of pakchoy with 5.13 kg plot-1 (increase 100 % than control).Keywords: Azolla pinnata compost, litter, peat, solid biofertilizer
Dinamika Nitrogen dan Hasil Tanaman Padi Sawah (Oryza sativa L.) Kultivar INPARI 31 akibat Pemupukan NPK 18:8:18 dan Penggenangan Air pada Fluvaquentic Epiaquepts Rija Sudirja; Encep Hidayat Salim; Ade Setiawan; Muhammad Farghan Fauzan
Soilrens Vol 15, No 1 (2017)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (528.935 KB) | DOI: 10.24198/soilrens.v15i1.13349

Abstract

Fertilizer is one of the crucial means to improving rice productivity. The purpose of this research is to know and understand the behavior of nitrogen in the soil and plant rice (Oryza sativa L.) as well as the highest yields in Fluvaquentic Epiaquepts. This study was conducted in May through September 2015 at the Experimental Garden of Soil and Water Management, Faculty of Agriculture Padjadjaran University, Jatinangor, Sumedang regency. The altitude of place was 725 meters above sea level. The study design used randomized block design (RAK) with ten treatments, various dosage level of NPK 18:8:18 combined with the setting puddles and three replications, thus totaling thirty experimental plots. The results showed a real effect due to the provision of various level dose of NPK 18:8:18 and combinations of settings puddles on plant growth, the content of soil-N, absorption-N, and rice yields, both at the time of vegetative end as well as post-harvest rice. In addition, treatment of NPK 18:8:18 by setting a puddle able to deliver the highest yield at the time of post-harvest each by N-total of 0,64%; N-organic 0,26%; N-NH4 0,11%; N-NO3 0,31%; and absorption-N of plants by 1,80%. This resulted in a relatively high yield of 9.952 kg.ha-1, but not significantly different from NPK doses of 450 and 600 kg.ha-1.Keywords: NPK doses, soil-N, absorption-N, rice yield
Co-Authors Ade Setiawan Anni Yuniarti Apong Sandrawati Marisa Puspita Dewi Muhammad Farghan Fauzan Oviyanti Mulyani Rija Sudirja Yuliati Machfud