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PERTUMBUHAN DAN HASIL SORGUM PADA PEMBERIAN BEBERAPA DOSIS PUPUK NPK MAJEMUK DI LAHAN PESISIR Edi Susilo; Hesti Pujiwati; Muhimmatul Husna
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 23, No 1 (2021)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.23.1.15-22

Abstract

[GROWTH AND YIELDS OF SORGHUM VARIETIES TREATED WITH VARIOUS DOSES OF NPK FERTILIZER IN COASTAL LAND]. Sorghum has a potential to be developed in marginal land in coastal area. Drought stress and low availability of utrients in the coastal area are the main problems in growing sorghum.  Introducing the drought tolerance variety is one solution to overcome the drought stress in coastal land in order to improve sorghum yields. In addition, the treatment of NPK fertilizer is needed to fulfill the nutrients requirements for growth and yields. This research aims to determine the best sorghum variety and an appropriate dose of NPK fertilizer for the growing sorghum in coastal land. Field experiment was conducted at the coastal area in Bengkulu City from August until November 2021. The experiment was arranged in Randomized Completely Blok Design with two factors. That were sorghum varieties (Numbu, Super 2 and Kawali) and NPK fertilizer doses (150 kg/ha, 300 kg/ha and 450 kg/ha). The results showed that the interaction between sorghum variety and NPK fertilizer dose were not significant on the growth and sorghum yields. Numbu varieties produced the highest panicle weight per plant of 69.42 gram. The research concluded that Numbu variety showed the best growth and yields compare two other varieties. The  maximum growth and yield  of sorghum in coastal land were observed at NPK 450 kg/ha dose. 
Soybean Performance on Types of Compose and Dosage of Urea Fertilizer in Coastal Lands of Bengkulu Hesti Pujiwati; Widodo Widodo; Atra Romeida; Dotti Suryati; Muhimmatul Husna; Wahyu Hidayat; Edi Susilo
Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Vol 19 No 1 (2021): Jurnal Agroqua
Publisher : University of Prof. Dr. Hazairin, SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32663/ja.v19i1.1794

Abstract

One of the efforts to increase soybean production in Bengkulu is through the use of coastal land. Coastal land improvement is carried out by adding compost fertilizers. In order to meet the nutrient needs for soybean plants in coastal lands, a combination of compost and urea is needed. This study aims to determine the performance of soybean in the application of various types of compost and doses of urea and determine the type of compost and the best dose of urea in coastal lands. The study was conducted in July-August 2020. The study used a 2-factor and 3-replications in Completely Randomized Block Design, the first factor was the type of compost: P1 = Widelia trilobata; P2 = Tithonia diversivolia; P3 = oil palm empty bunches, P4 = water hyacinth. The second factor is the dose of Urea: N0 = 0 kg.ha-1, N1 = 25 kg.ha-1, N2 = 50 kg.ha-1, N3 = 75 kg.ha-1. The soybean used was the variety of Direng 1. The results showed that the type of compost and the dose of urea were not significantly different in the soybean plant performance variables. The application of 4 types of compost as much as 10 tons ha-1 in coastal lands showed poor growth and yield a little. Thitonia compost gives the highest yields of 0.5 ton.ha-1 and 0.48 ton.ha-1 when giving urea 75 kg.ha-1. Soybean yields are still very low, so it is necessary to double the dose of urea in coastal lands. Keywords: Coastal Land, Direng 1, Compost and Urea.