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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Ilmu Pertanian Indonesia Jurnal Hortikultura Indonesia Agromet Jurnal Entomologi Indonesia JURNAL PANGAN Agrotech Journal
Impron Impron
Institut Pertanian Bogor
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Social Sciences

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Journal : Agromet

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PENILAIAN RISIKO IKLIM PADA SISTEM PERTANIAN EKOSISTEM LAHAN RAWA PASANG SURUT (STUDI KASUS DI DELTA TELANG I, DELTA TELANG II DAN DELTA AIR SALEH, BANYUASIN, SUMATERA SELATAN) (CLIMATE RISK ASSESMENT ON AGRICULTURAL SYSTEM IN SWAMP AREAS ... . Suciantini; . Impron; Rizaldi Boer
Agromet Vol. 22 No. 2 (2008): December 2008
Publisher : PERHIMPI (Indonesian Association of Agricultural Meteorology)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (428.797 KB) | DOI: 10.29244/j.agromet.22.2.118-131

Abstract

The characteristics of swampland areas are different from agricultural land of Java, mainly in water availability. In swampland ecosystems there are unique environmental conditions. To assess risks of climate, mainly in climate change, we must assess about capacity and adaptation strategy. From treasure of related institution and interview with farmers,its had been known about climate impact on farming systems application, rainfall pattern and water availability. This paper aims to assess risks of climate on farming systems, application of adaptation strategy to reduce risks of climate and probability to provide of planting pattern alternative in the future in swampland areas (tidal marsh) in Delta Telang I, Delta Telang II and Delta Air Saleh, Banyuasin, South Sumatera.
UJI COBA APLIKASI MODEL CLIMEX 1.1 UNTUK MENGANALISIS POTENSI PENYEBARAN HAMA WERENG BATANG COKLAT DAN PENGGEREK BATANG PADI PUTIHRUNNING TEST OF CLIMEX 1.1 TO ANALYZE POTENCY OF RICE PEST DISTRIBUTION OF BROWN PLANTHOPPER AND WHITE STEM BORER Yonny Koesmaryono; Asmari Amasih; Wido Hanggoro; I. Impron
Agromet Vol. 18 No. 2 (2004): December 2004
Publisher : PERHIMPI (Indonesian Association of Agricultural Meteorology)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1158.124 KB) | DOI: 10.29244/j.agromet.18.2.58-67

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Evapotranspiration of Sandalwood (Santalum Album L.) Seedlings with Several Primary Host Plants Yudi Riadi FanggidaE; Impron Impron
Agromet Vol. 32 No. 1 (2018): JUNE 2018
Publisher : PERHIMPI (Indonesian Association of Agricultural Meteorology)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (29.696 KB) | DOI: 10.29244/j.agromet.32.1.21-30

Abstract

Sandalwood (Santalum album L.) seedlings planted with different primary host plants should require different amounts of water. In practice, however, sandalwood seedlings with different primary host plants are irrigated with similar amount of water. Thus, it is interesting to study the amount of water expressed as evapotranspiration for the sandalwood seedlings and their primary host plants because there are hemiparasitic symbiosis plants in one planting medium. The purpose of this research was to compare and analyse evapotranspiration (ET) and water use efficiency (WUE) of sandalwood seedlings with different primary host plants, namely chili (Capsicum annum), krokot (Alternanthera sp.), and sengon (Albizia chinensis). The experiment was conducted in a greenhouse and designed using completely randomized design. Results showed that different primary host plants already influenced ET at 6 days after sowing of primary host (DASH). The sandalwood seedlings with chili and krokot as primary hosts, had the highest ET during 6-22 DASH. From 24 to 36 DASH, ET for all types of host plants were similar. After 36 DASH, ET of sandalwood seeding with primary host sengon increased, and had the highest ET. Sandalwood seedling with primary host krokot had the highest WUE to produce sandalwood above ground biomass with value 0.3 g/l during the 0-3 weeks after sowing of primary host (WASH), 0.6 g/l during the 3-6 WASH, and 0.9 g/l during 6-9 WASH.
Simulation Model to Analyze the Effect of Planting Schedule and Predict the Productivity of Red Chilies in Pagar Alam City Nur Annissa; . Impron
Agromet Vol. 31 No. 2 (2017): DECEMBER 2017
Publisher : PERHIMPI (Indonesian Association of Agricultural Meteorology)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (579.623 KB) | DOI: 10.29244/j.agromet.31.2.80-88

Abstract

The city of Pagar Alam, South Sumatra is at an altitude of 600-2700 masl. The city has climatic and soil condition suitable for red chili plants (Capsicum annuum L.) that have high economic value. However, the fluctuating amount of red pepper production throughout the year can lead to excess or lack of availability of red chili in the market. This research was conducted to use a crop model to simulate the development, growth, and production of red pepper plant. This model used daily weather as input to simulate daily biomass (kg/ha) components of roots, stems, leaves, and fruits. Comparison of fruit components from simulation with field data taken at three areas in Pagar Alam city showed model accuracy of 76% for Koramil area, 91% for Perandonan area, and 85% Pagargading area. The simulation model result show that the average monthly chili productivity varies; highest of 3376 kg/ha if planting is done in October, and the lowest of 2828 kg/ha if planting is done in February.
The Use of Reflective Mulch in Soybean-Oil Palm Intercropping System Mufika Haryu Suci Fitriana; Yonny Koesmaryono; . Impron; Taufan Hidayat
Agromet Vol. 33 No. 2 (2019): DECEMBER 2019
Publisher : PERHIMPI (Indonesian Association of Agricultural Meteorology)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (846.223 KB) | DOI: 10.29244/j.agromet.33.2.71-83

Abstract

Demand for soybean is increasing nowadays as it provides a high nutrition food at affordable price. To fulfill the demand, an intercropping system of soybean-oil palm may increase the production of soybean. However, shading by the oil palm canopy would reduce the amount of radiation reaching the soil surface. Theoritically, application of reflective mulches may increase the amount of solar radiation intercepted by the shaded plants, hence it gives a positive effect for plant growth. The study aimed to analyze the effect of an increased radiation transmission with reflective mulch on the growth and development of soybean under an intercropping system with 4-year olds oil palm. The experiments were carried out on PT. Perkebunan Nusantara VIII located in Cimarga District, Lebak Regency, from March to June 2018. There were three treatments based on mulch application, namely soil without mulch (R0), soil with black silver plastic mulch (R1), and soil with dry palm oil leaf mulch (R2). The results showed that a canopy of 4-year-olds oil palm transmitted around 42% of an incoming radiation. The use of mulch as radiation reflector has a positive effect on an increased interception of solar radiation and potential productivity. Under R1 and R2 treatments, intercepted radiation was 25% and 15% larger than that of R0. In addition, mulch increased radiation use efficiency (RUE) by 2.3 times under R1 (1.6 g/MJ) and 1.7 times under R2 (1.2 g/MJ). The potency of productivity also increased (1.48 and 1.42 times higher under R1 and R2, respectively). The finding confirmed that mulch application did not affect the plant development in any treatment. Furthermore, we suggest that an intercropping system of soybean and 4-year-olds oil palm may be applied to increase the soybean production in Indonesia.
Canopy Microclimate Modification with Reflective Mulches Under Oil Palm and Its Role to Soybean Growth Taufan Hidayat; Yonny Koesmaryono; Impron Impron; Munif Ghulamahdi
Agromet Vol. 34 No. 1 (2020): JUNE 2020
Publisher : PERHIMPI (Indonesian Association of Agricultural Meteorology)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1113.988 KB) | DOI: 10.29244/j.agromet.34.1.1-10

Abstract

Land utilization under oil palm plantation is constrained by the condition of low light intensities. Modification of the microclimate through the use of reflective mulch, as a reflector, will increase its ability to reflect the land surface radiation under the tree stand. This modification may suitable for intercropping system between soybean and oil palm. The study aimed to determine the effect of microclimate modification, using reflective mulch, under the stand of oil palm, and to evaluate its effect on soybean productivity. The research was conducted at PTPN-VIII Cimarga Banten using a nested random design with two factors and three replications each. The first factor is the oil palm age, which consists of: (i) control (open land), (ii) 4 years, (iii) 5 years, and (iv) 8 years age of oil palm. The second factor is the reflective mulch, as a solar radiation reflector, which consists of three levels: (i) without mulch (control), (ii) inorganic reflective mulch/silver black plastic mulch, and (iii) organic reflective mulch/dried oil palm leaves. The application of inorganic and organic reflective mulch increased the distribution of reflected land surface radiation (59%-157%), reduced the soil temperature fluctuation (0.30C-1.20C), and maintained soil water content (45.2%-45.8%). An increased of plant growth rates (56%-86%), relative growth rates (16%-21%), and seed weight production per plant (74.8%-86.2%) also reported, as well as the reduction of the etiolation ratio (9.6%-12.5%). The use of organic and inorganic reflective mulches can improve the microclimate and increase the production of soybean under intercopping system with oil palm.
Adaptive Garlic Farming to Climate Change and Variability in Lombok Nasibatul Mahmudah; Tania June; Impron
Agromet Vol. 35 No. 2 (2021): DECEMBER 2021
Publisher : PERHIMPI (Indonesian Association of Agricultural Meteorology)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j.agromet.35.2.116-124

Abstract

Climate change impact in Indonesia is generally characterized by changes in daily temperature, rainfall patterns, and sea level rise. These changes mainly influence agricultural practices for various crops, including garlic (Alium sativum L.). Current knowledge on climate vulnerability related to agricultural impact in Indonesia is limited. This study aims to identify the level of vulnerability of garlic farmer households to climate change and provide recommendations for adaptation activities for garlic farmers. The household vulnerability profile was assessed using Livelihood Vulnerability Index (LVI) and LVI-IPCC approaches. We carried out interviews for 100 respondents in four villages in Lombok to obtain primary data related to agricultural practices. Relation between climate variables and garlic productivity was determined using linear regression approach. The results showed that rainfall and temperature had a negative correlation with garlic productivity as indicated statistical indicators used, namely R2. According to LVI and LVI-IPCC approach, Sembalun Timba Gading and Sajang have the highest level of vulnerability (0.60) and Sajang Village has the lowest level of vulnerability (0.55) among all villages. The findings suggested that climate information should be considered in agricultural sector for climate change mitigation and adaptation.
The Optimum Planting Time and Cropping Pattern of Potatoes and Other Horticultural Commodities based on Water Balance in Solok, Indonesia Via Yulianti; Impron; Aris Pramudia
Agromet Vol. 37 No. 1 (2023): JUNE 2023
Publisher : PERHIMPI (Indonesian Association of Agricultural Meteorology)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j.agromet.37.1.1-11

Abstract

Many mountainous regions in Indonesia have been utilized for potato cultivation. But location for the cultivation is mainly a rainfed agriculture, which greatly depend on the weather condition. Lembah Gumanti in Solok, West Sumatra is a rainfed main potato-growing area, which faced a low productivity during dry season. Therefore, efforts to optimize potato production in rainfed area remains research challenge. This study aims toidentify the optimum cropping calendar for potato and other horticultural commodities in Lembah Gumanti for 2018-2021. We used the water balance approach to derive daily water availability at field level. The approach was used to identify the planting time and pattern of potato and other horticultural commodities for 2018-2023 at dekadal (10-day) interval. The results showed that the most suitable planting time and cropping patternvaried annually. In 2018-2019, the cropping calendar was potato (in October 1st 10-day) – shallots (in April 1st 10-day) – chilies (in July 3rd 10-day). For 2020-2021, the best cropping calendar was shallots (in November 3rd 10-day) – potato (in March 3rd 10-day) – shallots (in August 1st 10-day). The findings reveal that water availability determined the cropping calendar of each commodity.
Co-Authors . Haruna . Suciantini Adeleyda M. W Lumingkewasa Andi Safitri Sacita Aris Pramudia Asmari Amasih Aziz, Sandra A Budi Kartiwa Ervan Ferdiansyah Fendy Arifianto Handoko Handoko Lumingkewasa, Adeleyda M. W Mufika Haryu Suci Fitriana MUNIF GHULAMAHDI Nasibatul Mahmudah Nur Annissa Rizaldi Boer Sandra A Aziz Syahrizal Koem Syahrun Mubarak Tania June Taufan Hidayat Via Yulianti Wido Hanggoro Yonny Koesmaryono Yonny Koesmaryono Yonny Koesmaryono Yudi Riadi FanggidaE