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ANALISIS PROSES DEGRADASI LAHAN DAN DAMPAKNYA TERHADAP PRODUKTIFITAS LAHAN PERTANIAN DI KABUPATEN KLATEN Suharjo, Suharjo; Sigit, Agus Anggoro
Forum Geografi Vol 21, No 2 (2007): December 2007
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v21i2.10174

The aim of this research are : (1) identity the process of land degradation happened in the study area; (2) evaluation of agriculture land productivity with land degradation process in the study area; (3) analysis impact process of land degradation to agriculture land productivity in the study area. This research using survey method and spatial analysis by application of Geographical Information Sistem (GIS).According to data analysis, obtained by the following research result are: (1). Have been happened by process of land degradation in regional part of the study area which tend to degrade quality of land resources by type natural process influence (subsidence, slide, crack) and anthropogenic process (making of brick). Subsidence happened in Gantiwarno; crack in Gantiwarno and Bayat; slide in Bayat. Making o brick a lot of happened in Jogonalan, Ngawen, Jatinom, Karanganom and Ceper; (2). Region with compatibility ?harmony? in the study area take of area for the width of 28930,10 Ha or 44,13 % (regional half almost Klaten District of productivity of its rice crop as according to its land suitability); ?harmony (-)? taking of area for the width of 2973,15 Ha or4,53 % (there are partial; a little region in Klaten District which manifestly do not good for effort to agriculture of rice crop, specially the paddy); ?not harmony (+)? taking of area for the which of 7929,25 Ha or 12,10 % (there are some region in Klaten District bad its of land condition, but its productivity is goodness); ?not harmony? taking of area for the which of 25724,10 Ha or 39,24 % (there are region with big enough area in Klaten District which to make a effort of agriculture of its rice crop not yet been done in an optimal fashion). Region with compatibility ?not harmony? need deeper attention of its land management; (3). Land degradation of most be happened to regions with compatibility status ?not harmony?. Although is not be absolute in character, but this matter represent and existence indication of s possibility of influence of land degradation to lowering mount land productivity to rice crop in the study area. Land degradation at region of have compatibility status ?harmony? as in Gantiwarno (in this time) reality not yet affect its influence to level of land productivity for the rice crop.

Optimalisasi Potensi Entres Untu Meningkatkan Keberhasilan Sambungan Bibit Durian (Durio zibethinus. Murr) Suharjo, Suharjo
PROSIDING SEMINAR NASIONAL AGRIBISNIS PROSIDING SEMINAR NASIONAL PANGAN DAN PERKEBUNAN (Realitas Pangan dan Perkebunan saat ini dan Prospe
Publisher : Jurusan Agribisnis Fakultas Pertanian Universitas Halu Oleo Kendari Sulawesi Tenggara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37149/11333

Perbanyakan vegetatif merupakan salah satu pilihan untuk memperoleh bibit unggul. Salah satu cara yang digunakan dalam perbanyakan vegetatif adalah dengan grafting. Perbanyakan tanaman durian dengan cara grafting sering mengalami kegagalan. Salah satu penyebab kegagalan grafting durian diduga karena pemilihan batang bawah dan batang atas yang kurang tepat.Â Kendala yang sering dihadapi ketika melakukan penyambungan durian dengan metode sambung pucuk adalah jauhnya jarak antara pohon induk atau sumber entres dengan tempat penyambungan, sehingga dibutuhkan waktu yang agak lama mulai dari pengambilan entres sampai dengan proses penyambungan. Faktor lain adalah tanaman durian setelah berbuah mengalamiÂ kondisi pertumbuhan vegetatif yang kurang baik digunakan sebagai bahan entres.Â Selain ituÂ jumlah batang bawah yang akan disambung sering dalam jumlah yang sangat banyak, sehingga tidak bisa dilakukan penyambungan dalam waktu sehari dan entres yang belum tersambung harus disimpan untuk keesokan harinya baru dilakukan penyambungan. Disimpulkan Lama Simpan Entres berpengaruh nyata terhadap Persentase Sambung Hidup, Persentase Entres Dorman, Jumlah Tunas, Jumlah Daun, Diameter Batang, Luas Daun Total, Nisba Luas Daun, dan Nisba Pupus Akar.Â Sumber Entres bepengaruh nyata terhadap Luas Daun Total dan Diameter Batang.Â Persentase Sambung Hidup tertinggi dipengaruhi oleh Kandungan Karbohidrat, Persentase Entres Dorman tertinggi dipengaruhi oleh Kandungan Kadar Air, Jumlah Tunas tertinggi dipengaruhi oleh Kadar Air, Panjang Tunas tertinggi dipengaruhi oleh Kadar Air, Jumlah Daun tertinggi dipengauhi oleh Kandungan Kadar Air. Keberhasilan dan Kompatibilitas sambungan terbaik diperoleh dari perlakuan sumber entres yang berasal dari cabang sekunderÂ dan lama penyimpanan 4 hari.

Korelasi Antara Kandungan Karbohidrat, Protein, dan Lemak dengan Kompatibilitas Grafting Bibit Durian (Durio zibethinus Murr.) Suharjo, Suharjo
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 3 No 2 (2019): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/agrosainstek.v3i2.87

Durian nurseries can be done using generative and vegetative material sources. Both sources of propagation have their respective weaknesses and strengths. Quality seeds are obtained through a combination of two sources of propagation material that have each of the advantages that can complement each other. The process of merging can be through mini grafting. The mini grafting method in durian nurseries can use side grafting and shoot grafting methods. This study wants to examine the relationship of carbohydrate, protein, and fat content to the successful growth of mini grafting results on durian plants. The research was carried out by analyzing the carbohydrate, protein and fat content in the upper stem which will be used for grafting, as well as observing and measuring the growth process of mini grafting plants. It was concluded that the carbohydrate content of the upper stems gave the highest positive contribution to the increase in the number of shoots followed by the number of leaves, percentage of living grafts, leaf area, leaf area ratio, root canopy ratio, shoot length, and stem diameter. The protein and fat content cannot contribute to the growth even has a tendency to inhibit growth of grafted seeds.

Community-Based Rehabilitation of Critical Land at Jenar, Sragen, Central Java Suharjo, Suharjo
Forum Geografi Vol 17, No 2 (2003)
Publisher : Forum Geografi

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The aims of the study of critical land rehabitation basing on the society in Jenar Sragen are to know: 1) the factory which cause the critical land; 2) the way to solve critical land; and 3) the role society in solving critical land. The collected date are 1) topography, 2) litologhy, 3) geomorphology, 4) soil, 5) hydrology, 6) land use, 7) the apportion of critical land, and 8) the way to solve critical land. The choice of sample uses purposive method, while the data analysis to get result uses descriptive method. The result of the study show that: 1) the distribution of critical land is in land unit of anticline hills of tuff rocks, marl, clay, and sand tuff which are denudated process by rensina soil and litosol from light to heavy which lie in dry land cultivation and forest. The factors which influence critical land are high rainfall (2178 mm), inclination slope (8 â 20%), solun soil whih is less than 20 cm and denudation process high is active; 2) the way that has been done is solving critical land rehabilitation is cooperation among the society, the forestry and commercial agricultural department and cone sugar factory of Mojo Sragen. The critical land which has been rehabilitated is state forest (266.95 ha) and the dry lang cultivation of the society (772.50 ha); 3) the society has responsibility for the growth, the development and preservation of the long term plants (jati, sonokeling, mahoni). The participation of the society in that programme is about 3.117 people.

The Influence of Social-Economic Condition of People to Landuse Change and the Influence of Landuse Change to Runoff at Bodri Watershed, Kendal Suharjo, Suharjo; Anna, Alif Noor; Laviati, Riani
Forum Geografi Vol 17, No 1 (2003)
Publisher : Forum Geografi

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This study is carried out in chacthment area of Bodri. The goals of this study are to kno the influence of economic social condition of population on the change of the kind of landuse and the influence of the change of the kind of landuse on the run-off area. This study uses survey method. The collected data are the economic social data of the population and the physical condition data in the research area. The result of the study shows that the economic social condition of the population in chatchment area of Bodri influences on the decrease of landuse. The decrease in landuse is 22.27% which used settlement, dry land cultivation (3.14%), yard (1.07%), plantation (0.44%), wet land cultivation (2.28%), embankment (0.25%), street and others (6.73%). The decrease in landuse causes peak discharge of Hydrograph in 1997, 1999, 2000, and 2001 increases respectively 87.32 m/second, 101.26 m/second, 58.37 m/second, 89.82 m/second, with each volume of direct flow 7.123.392 m, 6.011.604 m, 11.784.672 m, and 9.459.954 m. The run-off coefficient in 1992, 1997, 1999, 2000, and 2001 increase 7.7%, 13%, 19.8%, 23.2%, and 27.03%, with coefficient of annual flow 46.98%, 72%, 55.21%, 61,79%, and 75.55%. The increasing of the run-off coeficient and annual flow describes that the ratio both the discharge of maximum and minimum monthly flow becomes bigger. It means that in rainy season it will be flood immediately and in dry season it will be drought easily.

The Development of Coastal and Marine Widjojo, Suharto; Suharjo, Suharjo
Forum Geografi Vol 13, No 2 (1999)
Publisher : Forum Geografi

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Planning and development process of oastaland marine resources tends centralized and adopted top down policy, without any active participations from coastal and marine communities. In order to reach integrated and sustainable development in coastaland marine areas, people should have both complete and up to date information, so that planning and decision making for all aspect of the environment can be done easily. People should give a high attention of surveis, mappings, as well as science and technology of coastal and marine sectors, in order to change the paradigm of development from inland to coastal and marine. Moreover, people should give high attention of potential resources of coastal and marine areas.

Impact of the Presence of Bunker of Liquid Organic Fertilizer (POC) on Groundwater for Drinking in Sambungmacan Sragen Anna, Alif Noor; Suharjo, Suharjo; Kaeksi, Retno Woro
Forum Geografi Vol 17, No 2 (2003)
Publisher : Forum Geografi

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The study of impact of the banker of liquid organic fertilizer (POC) on groundwater is carried out in Sambungmacan Sragen. The banker is made of concrete cement and it is located in the settlement area. This bunker causes obstruction for population, such as the smell bad, many died cassava, plants, and well pollution. The source of these obstruction is the leakage that permeates on groundwater used for drinking water. The aims of this study are know 1) the apportion of the groundwater pollution; 2) the level of groundwater pollution of drinking water. The result of the study shows that POC has permeated two populationâs wells that are located in radius eight meters. The water of wells is muddy and smells bad. Finally the well in north side of the banker is not used anymore, while the well in the west side of the banker, its water is still fresh after it has been drained twice. After the banker of liquid organic fertilizer (POC) is not be used anymore and the well which is polluted by POC has been drained, cause of that, the quality of groundwater in the research area generally still fullfills the requirement of drinking water, except the well in north side of the banker because it is polluted (the smell and color). So that, classification groundwater pollution in research area is still in very low level.

PENGEMBANGAN PETERNAKAN BERSIH DI DESA NGUNUT KECAMATAN JUMANTONO KABUPATEN KARANGANYAR Putro, Sartono; Muhtadi, Muhtadi; Suharjo, Suharjo; Harismah, Kun; Priyono, Kuswaji Dwi; Chusniatun, Chusniatun
WARTA WARTA Volume 18, Nomor 1, Maret 2015
Publisher : Universitas Muhammadiyah Surakarta

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In the Pemitra community service activities for development cleaner farming in Desa Ngunut Kecamatan Jumantono kabupaten Karanganyar, has been done for directing activities, training, and mentoring for farmers of cattle and chickens in Desa Ngunut, Jumantono, Karanganyar. In this Pemitra activities have been conductedbriefings and training on producing of liquid and solid organic fertilizer, planting cassavaÂ andÂ sengonÂ byÂ utilizingÂ manure,Â theÂ introductionÂ ofÂ biogasÂ technology applications on cattle ranchers. The results that have been obtained from this Pemitra community activities that partners have been able to understand and have the skills for managing livestock clean the biogas technology applications, the use of probiotics or fermentator in farm management, made of solid and liquid organic fertilizer, as well as the use of organic fertilizer for agricultural development cassava and sengon. The constraints and problems had been faced by the partners were 1) lack of farmer groupsÂ that haveÂ organizational unityÂ in designing,Â managing, implementingÂ and evaluating the work program. So that the unity and continuity in performing community service activities can not be done well, 2) Most of the participants were active inpemitra was the village officials and their family, so not much give a breadth of benefits to the general public.

Using Water Balance to Analyze Water Availability for Communities ( A Case Study in Some Areas of Bengawan Solo Watershed) Suharjo, Suharjo; Priyono, Kuswaji Dwi; Anna, Alif Noor; Priyana, Yuli
Forum Geografi Vol 30, No 2 (2016): December 2016
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v30i2.2550

This study aimed: (a) to determine the general water balance at the Upstream and Midstream of Bengawan Solo Watershed by using Thornthwaite-Mather model, and (b) to determine the fulfillment of domestic water demand in the Upstream and Midstream of Bengawan Solo Watershed. Prevailing climate change has affected the condition of water source in Upstream and Midstream of Bengawan Solo Watershed. One of the impacts was extreme fluctuation of meteorological water availability that might cause flood and drought. Survey was selected as the research method while descriptive quantitative method was used for data analysis. The findings indicated the difference between precipitation and corrected evapotranspiration (P-EP) at the Upstream and Midstream of Bengawan Solo Watershed was between (-11.19 mm) to (78.56 mm). The highest value was obtained by Bambang Sub-watershed and the lowest was Wiroko Temon Sub-watershed. Positive value indicated the water surplus while negative value indicated water deficit. Domestic water demand for local communities was in the range of 50,782,500 liters to 131,690,700 liters, and the level of water availability varied, namely fulfilled and unfulfilled.Â

The Influence of Social-Economic Condition of People to Landuse Change and the Influence of Landuse Change to Runoff at Bodri Watershed, Kendal Suharjo, Suharjo; Anna, Alif Noor; Laviati, Riani
Forum Geografi Vol 17, No 1 (2003)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v17i1.592

This study is carried out in chacthment area of Bodri. The goals of this study are to kno the influence of economic social condition of population on the change of the kind of landuse and the influence of the change of the kind of landuse on the run-off area. This study uses survey method. The collected data are the economic social data of the population and the physical condition data in the research area. The result of the study shows that the economic social condition of the population in chatchment area of Bodri influences on the decrease of landuse. The decrease in landuse is 22.27% which used settlement, dry land cultivation (3.14%), yard (1.07%), plantation (0.44%), wet land cultivation (2.28%), embankment (0.25%), street and others (6.73%). The decrease in landuse causes peak discharge of Hydrograph in 1997, 1999, 2000, and 2001 increases respectively 87.32 m/second, 101.26 m/second, 58.37 m/second, 89.82 m/second, with each volume of direct flow 7.123.392 m, 6.011.604 m, 11.784.672 m, and 9.459.954 m. The run-off coefficient in 1992, 1997, 1999, 2000, and 2001 increase 7.7%, 13%, 19.8%, 23.2%, and 27.03%, with coefficient of annual flow 46.98%, 72%, 55.21%, 61,79%, and 75.55%. The increasing of the run-off coeficient and annual flow describes that the ratio both the discharge of maximum and minimum monthly flow becomes bigger. It means that in rainy season it will be flood immediately and in dry season it will be drought easily.

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