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All Journal Jurnal Ilmu-Ilmu Pertanian Indonesia TERRA : Journal of Land Restoration
Nadrawati Nadrawati
University of Bengkulu
Agriculture, Biological Sciences & Forestry

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Effects of Combining Application between Palm-oil Fruit Bunch Organic Fertilizer and Synthetic Nitrogen on Cucumber Yields Rina Perwanti Naibaho; Fahrurrozi Fahrurrozi; Hasanudin Hasanudin; Bambang Gonggo Murcitro; Kanang Setyo Hindarto; Nadrawati Nadrawati
TERRA : Journal of Land Restoration Vol 2, No 1 (2019)
Publisher : Department of Soil Science, Faculty of Agriculture, University of Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.2.1.24-29

Abstract

Cucumber is one of popular vegetables among consumers and widely cultivated by in Indonesia. Since there is an increasing concern of fertilizer costs and sustainability of land resources, the use of synthetic fertilizer must be minimized by using more organic sources, including the use of waste of fruit bunch of palm oil as compost. This experiment aimed to determine the best combination of between palm-oil fruit bunch organic fertilizer and synthetic nitrogen on cucumber yields. Treatments were consisted of (1) without palm-oil bunch organic fertilizer + without Urea, (2) without palm-oil bunch organic fertilizer + Urea 50 kg ha-1 , (3) without palm-oil bunch organic fertilizer + Urea 150 kg ha-1 , (4) without palm-oil bunch organic fertilizer + Urea 250 kg ha-1 , (5) palm-oil bunch organic fertilizer 5 tons ha-1 + without Urea, (6) organic fertilizer palm-oil bunch 5 tons ha-1 + Urea 50 kg ha-1 , (7) palm-oil bunch organic fertilizer 5 tons ha-1 + Urea 150 kg ha-1 , (8) palm-oil bunch organic fertilizer 5 tons ha-1 + Urea 250 kg ha-1 , (9) palm-oil bunch palm-oil bunch organic fertilizer 10 tons ha-1 + without Urea, (10) palm-oil bunch organic fertilizer 10 tons ha-1 + Urea 50 kg ha-1 , (10) palm-oil bunch organic fertilizer 10 tons ha-1 + Urea 150 kg ha1 , (12) palm-oil bunch organic fertilizer 10 tons ha-1 + Urea 250 kg ha-1 . Results indicated that combination application between palm-oil fruit bunch organic fertilizer and synthetic nitrogen significantly effects fruit length, fruit diameter, number of fruit planted, fruit weight per plot, number of fruit per plot and fruit weight per plot. It was concluded that the use of 10 tons ha-1 of palm-oil bunch organic fertilizer in combination with 250 kg ha-1 of Urea (P12) was the best treatment combination to increase cucumber yields.
INCIDENCE OF LEAF AND FRUIT EATER, Diaphania indica (Saunders) IN MELON AT SRI KUNCORO VILLAGE, PONDOK KELAPA SUBDISTRICT, BENGKULU TENGAH REGENCY Nadrawati Nadrawati; Agustin Zarkani; Priyatiningsih Priyatiningsih; Aprilian Pitoyo
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 25 No 1 (2023)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.25.1.40-44

Abstract

Melon is a fruit plant that has the potential to be developed and can become a superior horticultural product. The demand for melons continuously increases yearly, requiring a large and continuous supply. Fruit must be available at any time in sufficient quantity and quality to be used as an agricultural commodity with high economic value. Diaphania indica (Lepidoptera: Crambidae) is a significant pest that attacks the leaves and fruit of the Cucurbitaceae family, including economically important crops such as melon. Studies on Diaphania pests that attack melon leaves and fruit have not been widely studied in Indonesia. Also, due to the cases happening of leaf and fruit-eating attacks in Bengkulu, proper pest control efforts are needed. One of the basics for determining how to control is to know the population density and the level of damage caused by these pests. This research was conducted on the farmers' land in Sri Kuncoro Village, Pondok Kelapa Sub-District, Bengkulu Tengah Regency, November 2021-January 2022. The variables observed were the population density of D. indica, the percentage of leaf damage, and the percentage of parasitic larvae. The results showed variations in the density of D. indica larvae and the percentage of leaf damage. The mean population density of larvae was 1.47 per plant, and the percentage of infected leaves was 29.49%. Parasitoids associated with D. indica larvae were found in Apanteles spp, with a percentage of parasitized D. indica larvae of 46.67%. 
Co-Authors Agustin Zarkani Aprilian Pitoyo Bambang Gonggo Murcitro Fahrurrozi Fahrurrozi Hasanudin Hasanudin Kanang Setyo Hindarto Priyatiningsih Priyatiningsih Rina Perwanti Naibaho