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Caraka Tani: Journal of Sustainable Agriculture

carakatani
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Published by Universitas Sebelas Maret

ISSN : 26139456 EISSN : 25992570 DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Caraka Tani: Journal of Sustainable Agriculture publishes original articles, review articles, case studies and short communications on the fundamentals, applications and management of Sustainable Agriculture areas in collaboration with Indonesian Agrotechnology / Agroecotechnology Association (PAGI), Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network), and Indonesian Agricultural Higher Education Communication Forum (FKPTPI). This journal has two issues in a year and it will be published in April and October.

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Articles 12 Documents

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Search results for , issue "Vol 34, No 2 (2019): October" : 12 Documents clear

Effects of Planting Time and Cultivar on Leaf Physiology and Seed Yield of Soybean (Glycine max. (L.) Merr) Eko Srihartanto; Didik Indradewa
Caraka Tani: Journal of Sustainable Agriculture Vol 34, No 2 (2019): October
Publisher : Universitas Sebelas Maret

The use of adaptive soybean cultivars with appropriate planting time on dry land can enhance the improvement of soybean growth and yield. This study aimed to determine changes in leaf physiological character and soybean yield as affected by different planting time and superior soybean cultivars. The experiment was conducted on the dry land of Inceptisol in Gunungkidul from November 2018 to March 2019. The experiment was arranged in a Split Plot Design with the main plot arranged in a Randomized Complete Block Design (RCBD) with three (3) replications. The main plots consisted of three planting times, i.e. early planting time–Pranoto Mongso, midldle planting time–Farmer Method and late planting–Katam Terpadu. The subplots consisted of four soybean cultivars, namely Anjasmoro, Argomulyo, Grobogan and Dega-1. The fertilizers used were organic fertilizer (2 t ha-1), Urea (50 kg ha-1) and KCl (50 kg ha-1). The results showed that the treatment of planting time and cultivar could increase leaf physiological activity, particularly the number of leaves, total leaf area, leaf area index and plant growth rate. Early planting time–Pranoto Mongso and middle planting time–Farmers Method produced higher plant dry weight (20.11 g; 24.21 g) and seed yields per plant (29.11 g; 26.75 g) than late planting (Katam Terpadu) did (20.30 g). Meanwhile, cultivar Dega-1 had higher seed yields per plant (30.11 g) than cultivar Grobogan (28.39 g), Argomulyo (23.35 g) and Anjasmoro (19.79 g) did.

The Correlation and Regression Analysis of The Growth and Physiological Parameters: How Paclobutrazol Increases Bulb Yield on Three Cultivars of True Shallot Seed Elizani, Prahesti; Sulistyaningsih, Endang
Caraka Tani: Journal of Sustainable Agriculture Vol 34, No 2 (2019): October
Publisher : Universitas Sebelas Maret

True Shallot Seed (TSS) is a planting material for shallots in the forms of seeds. It shows a visual appearance of the fresh green shoot even though in the harvest season. This condition indicates that TSS still has potential assimilates which should be optimized for bulbs formation. Paclobutrazol is increasing assimilate translocation from source to sink by activating the sucrose transporter enzyme and changing the phytohormones balance. The study aimed to find out how paclobutrazol increased bulb yield on TSS by analyzing the closeness in the relationship between and the influence of physiological property variables and growth analysis. The study was conducted at Gadjah Mada University experimental field, Yogyakarta, from September to November 2017. It was arranged in a Randomized Complete Block Design with three replications. The first factor included the paclobutrazol concentration (0, 15, 30 and 45 mg L-1), while the second one included TSS cultivars (Tuk Tuk, Sanren and Lokananta). Correlation and regression were used in the data analysis. The results revealed that paclobutrazol significantly affected the physiological properties and the growth of TSS, instead of cultivars. Regression analysis showed that the effect of the concentration of the applied paclobutrazol formed quadratic pattern, where most observed variables had a positive correlation with shallot productivity. Paclobutrazol increased bulb yield by maintaining shoot biomass duration (SBD) and chlorophyll content which had a positive and linear effect on plant growth rate (PGR). The PGR might increase bulb yield per planting hole and indirectly increase its productivity. Paclobutrazol application at 15-30 mg L-1 could be used to improve bulb yield in TSS.

The Effectiveness of Rice for the Prosperous Population Program and Non-Cash Food Assistance (Case Study in Sikayu Village, Buayan Sub-district, Kebumen District) Rezqyana Ayu Pertiwi; Raden Rara Aulia Qonita; Joko Sutrisno
Caraka Tani: Journal of Sustainable Agriculture Vol 34, No 2 (2019): October
Publisher : Universitas Sebelas Maret

Food aid program policy is made to overcome poverty problem in Indonesia. This policy always changes year by year to improve the effectiveness of the program. This research aims to determine the effectiveness of Rice for the Prosperous Population Program (Bansos Rastra) and Non-Cash Food Assistance (BPNT) in Sikayu Village, Buayan Sub-district, Kebumen District, Central Java Province with 6T indicators or 6 indicators of accuracy, including accurate on target, accurate on price, accurate on amount, accurate on time, accurate on quality and accurate on administration. The basic method of this research is descriptive method. The location of this research is determined intentionally. Sampling is done by purposive sampling technique. The analysis was carried out using the results criteria approach. The effectiveness of Bansos Rastra program is based on Bansos Rastra General Guidelines 2018, while the effectiveness measurement of BPNT program is based on BPNT General Guidelines 2018. The effectiveness of Bansos Rastra program, which is based on the achievement of the objectives according to Bansos Rastra General Guidelines 2018, is said to be ineffective as there is one out of the four points of purpose which is not achieved, namely the point of aid distribution conducted every month. The effectiveness of BPNT program in Sikayu Village based on the 6T indicator reaches 100% since all indicators have been fulfilled. The effectiveness of BPNT program based on the goals achivement is in accordance with BPNT General Guidelines 2018 which is said to be effective as all objectives have been achieved.

Climate Change-Induced Agricultural Drought over Moist-Cool and Moist-Warm Climatic Zones: A Case Study in Ale and Adami-Tulu Woredas, in Oromia National Regional State, Ethiopia Fedhasa Benti; Achalu Chimdi
Caraka Tani: Journal of Sustainable Agriculture Vol 34, No 2 (2019): October
Publisher : Universitas Sebelas Maret

Frequency and intensity of drought have troubled sustainable agriculture and worsened food insecurity of Ethiopians. This study aimed to investigate climate change-induced agricultural drought over the moist-cool and moist-warm climatic zones, using historical precipitation and temperature data recorded in the crop growing months for 35 years. The changes of temperatures and precipitation were analyzed using Mann Kendall trend test. Agricultural drought indices were analyzed using R-model by withdrawing potential evapotranspiration from precipitation to determine the existing water balance. The values of drought indices were used to characterize the duration, severity, intensity and trends of agricultural drought. Results showed that the changes in maximum and minimum temperatures and precipitation were significantly stronger in the Ale Woreda (P<0.05). However, minimum temperature and precipitation in Adami-Tulu did not noticeably change. The spatial drought events occurred more widely in Ale than in Adami Tulu. The events occurred 12 and 17 times with cumulative severity indices of 41.95 and 48.22 in Ale and Adami-Tulu, respectively. Agricultural drought intensities of the two districts were labeled as “severe” and “moderate dry”, for Ale and Adami-Tulu, respectively. The intensity of drought in Ale district significantly increased (P<0.05) and that in Adami-Tulu negligibly changed. Therefore, the study explicitly showed that more changes in temperature and precipitation aggravated agricultural drought in Ale than in Adami-Tulu more intensely and it is suggested that more attention shall be paid to Ale Woreda.

An Analysis of Wheat Farming: Calculations and Perceptions Zebua, Damara Dinda Nirmalasari; Priyanto, Sony Heru; Sunaryanto, Lasmono Tri
Caraka Tani: Journal of Sustainable Agriculture Vol 34, No 2 (2019): October
Publisher : Universitas Sebelas Maret

National diversification of wheat-based food has been put into practice. Public consumption of flour-based food, such as noodles and bread, is in great demand. This study aims to determine the calculations, perceptions and attitudes of farmers towards wheat farming, considering that Indonesia is a non-wheat developing country. This qualitative descriptive research using in-depth interviews with 7 informants and observation methods was conducted in Klaten and Demak Regencies. In analyzing the data, this study used an interactive analysis model including data reduction, data presentation and conclusion drawing. The results show that: 1) based on farmers' calculations, wheat farming is financially not profitable to farmers because the products harvested are not worth the expense; 2) farmers' calculations affect farmers' perceptions which shifted to negative perceptions that wheat farming is not as promising as other farming businesses. Despite the negative perceptions, wheat farming has provided a valuable experience for farmers which is shown by their pride and pleasure and 3) the majority of farmers are not interested in wheat farming, which is shown by their attitude of not being able to accept wheat farming, while other farmers behave otherwise, indicated by their willingness to recommence wheat planting testing. Further research may examine: 1) how to change the culture of rice farming into culture of wheat farming; 2) how to change subsistence rice farming into enterprise and 3) how to change rice farming as social activities to rice farming as business activities.

Water Quality and Pollution Index in Grenjeng River, Boyolali Regency, Indonesia Widodo, Tatag; Budiastuti, Maria Theresia Sri; Komariah, Komariah
Caraka Tani: Journal of Sustainable Agriculture Vol 34, No 2 (2019): October
Publisher : Universitas Sebelas Maret

Grenjeng River is one of the irrigation water resources which is currently polluted by waste from industrial, livestock and domestic activities. This study aims to assess the quality and index of water pollution based on physical-chemical and biological parameters in the Grenjeng River, Boyolali Regency. Sampling of river water was carried out in dry and rainy seasons which were taken at three observation stations (upstream, middle stream and downstream). Results from laboratory analysis were compared with water quality standards according to Government Regulation No.82/2001, and quality status was based on the Pollution Index method in accordance with the attachment to Minister of Environment Decree No.115/2003. This study shows that BOD of 53-5.7 mg L-1, COD of 49-510.5 mg L-1 and total coliforms of 540-2,400,000 mLin dry season have exceeded the quality standard water classes, while in rainy season total coliforms 24,000-240,000 mLhave exceeded the standard water for all water classes. The pollution index of the river water in dry season has reached polluted to extremely polluted levels and the index of the river water in rainy season has reached moderately polluted to polluted levels. This condition shows that the practice of dumping waste into river bodies can directly affect river water quality. The irrigation water source for agricultural must comply with irrigation water quality standards so that is suitable as irrigation water for plants. Environmentally friendly approach is needed to prevent worse pollution, which is done by increasing public awareness and business actors in managing liquid waste by making the integrated wastewater treatment system.

GGE-Biplot Analysis for Soybean Varieties Suitability in an Agroforestry System based on Kayu Putih Stands Taufan Alam; Priyono Suryanto; Aprilia Ike Nurmalasari; Budiastuti Kurniasih
Caraka Tani: Journal of Sustainable Agriculture Vol 34, No 2 (2019): October
Publisher : Universitas Sebelas Maret

The existence of genotype and environment (G x E) interaction causes difficulty in selecting suitable varieties of soybean in an agroforestry system based on kayu putih stands. This study aimed to determine the suitability of adaptive, stable and high yield soybean varieties in an agroforestry system based on kayu putih stands by using GGE-Biplot analysis. The experiment was conducted from May to August 2018 at Menggoran Forest Resort, Playen District, Gunung Kidul Regency, Special Region of Yogyakarta, Indonesia. The experiment was conducted using a randomized complete block design (RCBD) with five block as replications. The first factor was soil type in Menggoran Forest Resort, consisting of Lithic Haplusterts, Vertic Haplustalfs and Ustic Endoaquerts. The second factor was soybean varieties, consisting of Anjasmoro, Argomulyo, Burangrang, Dering I, Devon I, Gema and Grobogan. The observation was carried out on seed dry weight of soybean per hectare. The data were analyzed using Combined Analysis of Variance (ANOVA) with α = 5% and GGE-Biplot. Dering I was the most suitable varieties in an agroforestry system based on kayu putih stands and showed the mean of highest yield of 1.22 tons ha-1.

Similarity and Phylogenetic Analysis of Herbicide-Resistant Goosegrass (Eleusine indica) Biotypes Koko Tampubolon; Fransisca Natalia Sihombing; Elseria Siburian; Yustina Sri Sulastri; Zavandri Purba; Sony Tri Septian Samosir; Syahibal Karim
Caraka Tani: Journal of Sustainable Agriculture Vol 34, No 2 (2019): October
Publisher : Universitas Sebelas Maret

Molecular approach as a herbicide-resistant agent detector is an initial solution before controlling of Eleusine indica weed. This review article is aimed to obtain the basic data of similarity and phylogenetic values among herbicide-resistant E. indica biotypes. This research used a descriptive analytical method. The analysis involved 14 nucleotide sequences of herbicide-resistant E.indica biotypes obtained from the National Center for Biotechnology Information. The nucleotide alignment of herbicide-resistant E. indica biotypes was conducted with ClustaLW using the Molecular Evolutionary Genetics Analysis (MEGA) v. 5.05 software based on a method of neighbor-joining tree construct/test. The results showed that two nucleotides of 7,921 herbicide-resistant E. indica biotypes were homologous (sequence 1,231 and sequence 1,408). The similarity values among herbicide-resistant E. indica biotypes ranged from 0.00 to 1.19. The information of phylogenetic pattern is needed in the selection of the herbicides mode of action rotation in order to control herbicide-resistant E. indica biotypes.

Estimation Variability, Heritability and Genetic Advance of Mutant Black Rice (M6) Ahmad Sofian; Nandariyah Nandariyah; Djati Waluyo Djoar; Sutarno Sutarno
Caraka Tani: Journal of Sustainable Agriculture Vol 34, No 2 (2019): October
Publisher : Universitas Sebelas Maret

A better understanding of variability in plant populations is crucial for crop improvement which plant breeders can use through selection. This study aimed to determine selection criteria for the sixth generation of black rice through genetic variability, heritability value and genetic advance. This research was conducted from March to July 2018 at Pakahan Village, Jogonalan Sub-district, Klaten Regency, Central Java, using a Randomized Complete Block Design (RCBD). The variables observed were plant height, total number of tillers and productive tillers, panicle length, number of seeds per panicle, panicle intensity index, weight per panicle, 1,000 seed weight, seed weight per plant, flowering age, harvest age, plot yield, yield per hectare, rice color and total anthocyanin content. Variance analysis showed that there was a very significant difference (p <0.01) among the genotypes tested for all observed characters indicating variability. In this study, the phenotypic coefficient of variance (PCV) values was relatively higher than the genotypic coefficient of variance (GCV) for all traits. However, GCV values were close to PCV values in some characters such as plant height, flowering age, harvest age, rice color and anthocyanin content which showed a high contribution of genotypic effects to the phenotypic expression of these characters. The high heritability and high average value of genetic advance were indicated in the parameters of plant height, flowering age, harvest age, rice color and anthocyanin content. The characters of plant height, flowering age, harvest age, rice color and anthocyanin content can be used as sixth-generation black rice selection criteria.

Physiological Response of Upland Rice Varieties to Furrow with Organic Matter on Agroforestry System with Kayu Putih (Melaleuca leucadendra L.) Puji Lestari Tarigan; Tohari Tohari; Priyono Suryanto
Caraka Tani: Journal of Sustainable Agriculture Vol 34, No 2 (2019): October
Publisher : Universitas Sebelas Maret

Drought is one of the major limitations in dry land cultivation. Drought affects plant physiology processes such as photosynthesis, respiration, mineral and water transportation, and transpiraton, briefly called drought stress. Drought stress can be avoided by managing environment. Furrow containing organic matter for rain fed rice has been the subject of many studies, with special emphasis on soil moisture. This research is aimed to know the effects of the furrow containing organic matter on physiological responses of several upland rice varieties on agroforestry system based on kayu putih (cajuput). The experimental design applied the strip plot design. The vertical factor is the furrow system of treatment consisting of 2 levels i.e. without furrow + without organic matter and furrow + organic matters. The horizontal factors are the upland rice varieties consisting of 3 varieties i.e. Situ Patenggang, Situ Bagendit and Ciherang. The collected data were analyzed by Analysis of Variance (ANOVA) applying a level of significance α = 5%. Whenever significant differences among treatments were found, further analysis was carried out by applying the Tukey's HSD (Honestly Significant Difference) test α = 5% levels. The result shows that drought affects plant physiology and can be avoided by using furrow containing organic matters. Situ Patenggang with furrow containing organic matters has the higher physiology capability, it had photosynthesis 387.18 µmol CO2 per clump s-1, transpiration 3038.50 mg per clump per secondand CO2 721.11 mol CO2 clump per mol. There different plant requirements for Cu between varieties.

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