1,720,983 research outputs found

    RESPONSE OF CELERY PLANT(Apium graviolens L.) TO THE REDUCTION OF INORGANIC FERTILIZER WITH DECANTER CAKE USAGE

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    Tujuan penelitian ini adalah untuk mengetahui bagaimana respon tanaman seledri apabila pupuk anorganik dikurangi dan disubsitusi dengan limbah padat pabrik kelapa sawit decanter cake. Penelitian ini dilakukan di Lahan Petani di Desa Tangkit Baru, Kecamatan Sungai Gelam, Kabupaten Muaro Jambi. Penelitian ini menggunakan Rancangan Acak Kelompok satu faktor yaitu decanter cake dan pupuk anorganik (NPK) terdiri dari 7 taraf, yaitu : Pupuk NPK 100% (sesuai anjuran 200 kg urea/ha, 150 kg/ha SP-36, 200 kg/ha KCl), decanter cake 15 ton/ha, 20 ton/ha, decanter cake 15 ton/ha + 75% dosis NPK ( Pengurangan 25% dosis NPK), decanter cake 15 ton/ha + 50% dosis NPK (Pengurangan 50% dosis NPK), decanter cake 20 ton/ha + 75% dosis NPK (Pengurangan 25% dosis NPK), decanter cake 20 ton/ha + 50 % dosis NPK (Pengurangan 50% dosis NPK). Penelitian ini menggunakan empat ulangan. Parameter yang diamati adalah tinggi tanaman, jumlah daun, jumlah batang per rumpun, bobot segar per tanaman dan Laju Tumbuh Tanaman. Hasil penelitian menunjukkan bahwa respon tanaman terhadap pengurangan pupuk anorganik 50 persen yang disubsitusi dengan decanter cake 15 ton per hektar memberikan bobot basah tanaman, jumlah daun dan jumlah batang seledri tertinggi. Untuk parameter tinggi tanaman dan laju tumbuh tanaman tertinggi menunjukkan bahwa tidak ada perbedaan nyata antara 15 ton per hektar dan 20 ton perhektar dari decanter cake pada pengurangan pupuk NPK 50 persen.The purpose of this research was to find out the response of celery plants when inorganic fertilizers are reduced and substituted with oil palm decanter cake mill waste. This research was conducted at Farmer’s Field in Tangkit Baru Village, Sungai Gelam Sub-district, Muaro Jambi Regency, uses Randomized Block Design with one factor ie decanter cake and inorganic fertilizer (NPK) consists of 7 levels, namely: 100% NPK Fertilizer (as recommended 200 kg urea / ha, 150 kg / ha SP-36, 200 kg / ha KCl ), decanter cake 15 ton / ha, 20 ton / ha, decanter cake 15 ton / ha + 75% dose of NPK (25% reduction of NPK dosage), decanter cake 15 ton / ha + 50% dose of NPK (50% reduction of NPK dose ), decanter cake 20 ton / ha + 75% dose of NPK (25% reduction NPK dose), decanter cake 20 ton / ha + 50% dose of NPK (50% reduction of NPK dose). The parameters observed were plant height, number of leaves, number of stems per hill, fresh weight per plant and plant growth rate. The results showed, that plant response to the reduction of 50% inorganic fertilizer substituted with decanter cake 15 tons per hectare gave the best celery fresh weight , leaves number and the highest celery stems number. For plant height parameters and the highest plant growth rate indicated that there was no significant difference between 15 tons per hectare and 20 tons per hectare of decanter cake at 50 percent reduction of inorganic fertilizers

    PENGARUH JENIS BAHAN DASAR DAN DOSIS PUPUK ORGANIK CAIR TERHADAP PERTUMBUHAN DAN HASIL BUNCIS (Phaseolus vulgaris L.)

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    Snap beans (Phaseolus vulgaris L.) is one of the important legumes vegetable crops, and as a good source of protein. More attention has been done to secure high yield and good quality of snap bean and the key role through fertilization with organic fertilizers. This research purpose is to study the effect of various basic materials and doses of liquid organic fertilizers on growth and yield of two snap bean varieties. This experiment was carried out in Teaching and Research Farm, Agriculture Faculty, Jambi University. The research was design in Randomized Blok Design (RBD) the factor were combination between basic materials of liquid organic fertilizers (Gliricidia sepium, Crotolaria juncea, Leucaena leucocephala and Cromolaena odorata), and doses of liquid organic fertilizers. All the treatment replicate 3 times. The treatments were without organic fertilizer but inorganic fertilizers (NPK 16-16-16), Gliricidia sepium (doses 15.0, 20.0 and 25.0 ml/plant), Crotolaria juncea (doses 15.0, 20.0 and 25.0 ml/plant), Leucaena leucocephala (doses 15.0, 20.0 and 25.0 ml/plant), Cromolaena odorata (doses 15.0, 20.0 and 25.0 ml/plant). Data was subjected to Anova and mean comparisons were done using the Least Significat difference (LSD). The result showed there was significant difference effect between the treatments. The highest number of snap bean pod yield was achieved at Crotolaria juncea 25 ml/plant but there are no significant differences with Cromolaena odorata at 25 ml/plant and control . Keywords: Snap, Crotolaria, Leucaena, Cromolaena

    ANALISIS TUMBUH UMBI KENTANG (Solanum tuberossum L.) DI DATARAN RENDAH

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    The potato cultivation in the highland area has been redistricted due to the facts of small area that suitable for potato cropping. The suitable landispurposed to be conservation practice. Therefore, inorder to increase potato yield could be established by the expansion to the lowlands area. But in the lowlands has been redistricted by the negative effects of high temperatures for tuber formation and the lack of well adapted variety. Those limitations could be overcome by finding the well variety that could be adapted in the lowland. The experiment aim is to observe the adapted cultivars. The treatments arecultivars: Granola I (G2), DTO 28, Atlantik andtwo varieties, Granola II (G3) and Eigenheimer (highed land at Jambi Provincial). The parameter to evaluate is number of tubers, tuber growth rate, sinc strength and source strength. This experiment used Randomized Block Design (RBD). The results shows that the  highest source strength, sinc strength, tuber weight per plant, numbers of tubers, and tuber growth rate was achieved at variety Granola II. Key words:  sinc, source, tuber formation. Â

    OPTIMIZATION OF SOYBEAN GROWTH AND PRODUCTION THROUGH THE USE OF COMBINATION OF DECANTER CAKE WITH CHICKEN MANURE (Glycine Max (L.) Merril )

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    Penelitian ini bertujuan untuk mendapatkan kombinasi terbaik dari decanter cake (DC) danpupuk kandang ayam (PKA) terhadap hasil kedelai. Rancangan penelitian yang digunakan adalahRancangan Acak Kelompok dan perlakuannya adalah kombinasi dari DC dan PKA yaitu kontrol(pupuk anorganik dosis rekomendasi: 100 kg/ha NPK), DC 15 ton/ha +PKA 0 ton/ha, DC 10 ton/ha + PKA 5 ton/ha, DC 7,5 ton/ha + PKA 7,5 ton/ha, DC 5 ton/ha + PKA 10 ton/ha, DC 0 ton/ha+PKA 15 ton/ha. Parameter yang diamati : Jumlah cabang produktif, jumlah polong per tanaman, jumlah polong berisi, hasil biji kedelai. Data yang diperoleh dianalisis dengan sidik ragam dan dilanjutkandengan Uji DMRT pada taraf α =5%. Hasil penelitian menunjukkan bahwa kombinasi DC danPKA dapat memperbaiki sifat kimia tanah, jumlah cabang produktif, jumlah polong per tanaman,jumlah polong berisi dan hasil biji kedelai. Kombinasi terbaik terhadap hasil kedelai tertinggiadalah pada kombinasi DC 5,0 ton/ha dan PKA 10,0 ton/ha.This study aims to obtain the best combination of decanter cake (DC) and organic materials,chicken manure (PKA) on soybean growth and yield at Ultisols.. The research design used wasa Randomized Block Design, with treatment of combination of DC and PKA. The treatmentswere control (recommended inorganic fertilizer: 100 kg / ha NPK), DC 15 ton / ha + PKA 0 ton/ha, DC 10 ton / ha + PKA 5 ton / ha, DC 7.5 ton / ha + PKA 7 , 5 ton / ha, DC 5 tos / ha + PKA10 ton / ha, DC 0 ton / ha + PKA 15 ton / ha. Parameters observed: Number of productivebranches, number of pods per plant, number of filled pods, soybean grain yield . The dataobtained were analyzed by means of variance and DMRT at the 5 percent level. The resultsshowed that the combination of DC and PKA could improve soil chemical properties, and hada significant effect on the number of productive branches, yield components and soybean yield.The best combination for the highest soybean yield was the combination of DC 5.0 tonnes / ha+ PKA 10.0 tonnes / ha

    ANALISIS PERTUMBUHAN DAN HASIL DUA VARIETAS BUNCIS (Phaseolus vulgaris L.) PADA PERBEDAAN JENIS PUPUK ORGANIK CAIR (The Analysis of Growth and Yield of Two Beans Varieties (Phaseolus Vulgaris L.) at Different Types of Organic Liquid Fertilizer Material)

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    The aim of this research were to determine the best combination between varieties and types of organic liquid fertilizers. This research was conducted at the Teaching and Research Farm Faculty of Agriculture, University of Jambi. The laboratory analysis for liquid organic fertilizer was done ​​in BIOTROP, Bogor. This research used Completely Randomized design (CRD ) with four combination treatments : Tala variety and basic material liquid organic fertilizer Lamtoro, Tala variety and basic material liquid organic fertilizer Kirinyuh, Bayu variety and basic material liquid organic fertilizer Lamtoro, Bayu variety and basic material liquid organic fertilizer Kirinyuh. The result showed that Bayu variety and basic material liquid organic fertilizer Kirinyuh trend gave the highest Leaf Area Duration (DLD), Net Assimilation Rate (NAR), Relative Growth Rate (RGR), number of pods and the yield per plant. Keywords: Liquid ,organic , fertilizer, beans

    PENGARUH BAHAN DAN DOSIS KOMPOS CAIR TERHADAP PERTUMBUHAN SELADA (Lactuca sativa sp.) (The Effect Of Material And Dosages Of Liquid Organic Fertilizers On Lettuce (Lactuca sativa Sp.) Growth)

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    The aim of this research was to examine the effect of different material and dosages of liquid organic fertilizer on growth and yield of lettuce. The experiment was conducted at Agriculture farm, Jambi University. The laboratory analysis of soil and plant was conducted at Agriculture Laboratory and material of organic fertilizers in BALITRO, Bogor. Research design used factorial, arranged with randomized complete block designed. The treatment are Factor I material of organic compost liquid, control (p0), Imperata cylindrica (p1), Cromolaena odorata (p2) and Leucena lecochepala (p3), and the second factor are dosage, control (d0), 5 ml (d1), 10 ml (d2) and 15 ml (d3). Result showed that there was interaction affect between liquid compost material and dosage on growth parameter, number of leaves, leaf area, plant height, fresh weight dan plant yield. The trend of growth parameter indicated that compost material Cromolaena odorata at dosage 15 ml showed the highest. The same result was achieved at lettuce yield. However, in this research the optimum combination of liquid compost material and dosage was not yet attainable.Key words: Fertilizers, lettuce, cromolaena, leucena, imperat

    Application of Indigenous AMF from ex-coal Mining Soil Combined with Phosphorus Fertilizers to Improved Oil Palm Seedling Growth (Elaeis guineensis Jacq.)

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    Opencast mining caused heavy deforestation and barren land in Jambi. This ex-mining land must be reclaimed by planting crops based on biofertilizers containing mycorrhizae, this is a potential alternative that provides benefit both agronomy plant and ecosystem specially replanting with oil palm. Those are the technology for reclamation ex-coal mining soil. This research aim is to examine the effect of four combinations indigenous isolate of Arbuscular Mycorrhizae Fungi (AMF), which is originated from ex-coal mining soil that combined with Phosphorous fertilizers to minimize utilizing P fertilizer at oil palm pre-nursery, to improve soil fertility, and seedling growth. Hence, this research was arranged in factorial experiment with 2 factors, using a complete randomized design with three replications. The first factor is five different mycorrhizae isolates, representing a broad range of endomycorrhizae fungi, there are: without indigenous AMF, isolate of Glomus sp. 3, isolates of Glomus sp. 6, isolates of Glomus sp. 15 and isolates of Glomus sp. 16. The second factor is P fertilizer: control (without P fertilizers), fertilizer dosage P 25%, 50%, 75%, and 100%. Variables measured are shoot height, number of leaves per plant, total leaf area per plant, and plant stem diameter. The data were analyzed by analysis of variance to see whether there was an interaction between the MVA isolate and the P fertilizer dosage. The result showed a significant effect on palm oil seedling growth, shoot height, number of leaves per plant, total leaf area per plant but there is no interaction on the stem diameter. Plants that are inoculated with mycorrhizae have greater P content in leaves than those not inoculated. The types of isolated Glomus sp.3 and dosage P 75% of recommended dosage, give the best seedling growth. This research concluded that inoculation with AMF could minimize P fertilizers doses

    Produksi tanaman kopi liberika hasil penyambungan intra- dan inter- spesifik pada aplikasi mikoriza dan pupuk anorganik di lahan gambut

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    Increasing the production of Liberica coffee plants in peatlands can be achieved by applying mycorrhiza and using superior plants resulting from intra- and inter-specific grafting. This research aimed to determine the interactions between intra- and inter-specific grafted Liberica coffee plant with combination of mycorrhiza and inorganic fertilizers in peatlands. The experiment was conducted for 6 months on 2-year-old coffee plants used a Split-Plot Design with two treatment factors. The first factor (main plot) consisted of two levels, namely the Liberica coffee plant grafted with Liberica coffee (intra-specific) and Liberica coffee plants grafted with Robusta coffee (inter-specific). The second factor (sub-plot) was the treatment combination of mycorrhiza (Glomus sp-1a and Glomus sp-3c isolate) and inorganic fertilizer, which consisted of six levels: without mycorrhiza + 100% inorganic fertilizer, mycorrhiza + without inorganic fertilizer, mycorrhiza + 25% inorganic fertilizer, mycorrhiza + 50% inorganic fertilizer, mycorrhiza + 75% inorganic fertilizer, and mycorrhiza + 100% inorganic fertilizer according to recommendations. The results showed that there was an interaction between grafted Liberika coffee plants and a combination of mycorrhiza and inorganic fertilizers on the production of Liberika coffee plants. Combining mycorrhiza and 50% inorganic fertilizer was the best combination for producing intra- and inter-specific grafted of Liberica coffee plant in peat land. Peningkatan produksi tanaman kopi Liberika di lahan gambut dapat dilakukan melalui aplikasi mikoriza dan penggunaan tanaman unggul hasil sambung intra- dan inter- spesifik. Penelitian bertujuan untuk mendapatkan interaksi antara tanaman kopi liberika hasil sambung intra- dan inter- spesifik dengan kombinasi mikoriza dan pupuk anorganik di lahan gambut. Percobaan dilakukan selama 6 bulan pada tanaman kopi berumur 2 tahun menggunakan Rancangan Petak Terbagi faktorial dengan dua faktor perlakuan, yaitu faktor pertama (petak utama), perlakuan jenis tanaman kopi hasil penyambungan terdiri dari dua taraf, yaitu tanaman kopi Liberika hasil penyambungan dengan kopi Liberika (intra-spesifik) dan tanaman kopi Liberika hasil penyambungan dengan kopi Robusta (inter-spesifik). Faktor kedua (anak petak) adalah perlakuan kombinasi mikoriza (isolat Glomus sp-1a dan Glomus sp-3c) dan pupuk an-organik yang terdiri atas enam taraf yaitu tanpa mikoriza + 100% pupuk an-organik, mikoriza + tanpa pupuk an-organik, mikoriza + 25% pupuk an-organik, mikoriza + 50% pupuk an-organik, mikoriza + 75% pupuk an-organik serta mikoriza + 100% pupuk an-organik sesuai rekomendasi. Hasil penelitian menunjukkan terdapat interaksi antara jenis tanaman kopi Liberika hasil sambung dengan kombinasi mikoriza dan pupuk anorganik terhadap produksi tanaman kopi Liberika. Kombinasi mikoriza dan 50% pupuk anorganik merupakan kombinasi terbaik untuk produksi tanaman kopi Liberika hasil sambung intra- dan inter-spesifik di lahan gambut

    ANALISIS TUMBUH DUA VARIETAS TERUNG (Solanum melongena L.) PADA PERBEDAAN JENIS PUPUK ORGANIK CAIR (Growth Analysis of Two Eggplant (Solanum melongena L.) Varieties on Different Types of Liquid Organic Fertilizer)

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    The aim of this research were to determine the best combination between varieties and the types of organic liquid fertilizers. This research was conducted at the Teaching and Research Farm Faculty of Agriculture, University of Jambi. The laboratory analysis for liquid organic fertilizer was done ​​in BIOTROP, Bogor. This research used Completely Randomized design (CRD) with four combination treatments between variety and types liquid organic fertilizer. The treatments were Mustang Variety and organic liquid fertilizers Alam Natural,  Mustang Variety and organic liquid fertilizers Golden Harvest,  Hijo Variety and organic liquid fertilizers Alam Natural, Hijo Variety and organic liquid fertilizers Golden Harvest. The result showed that Hijo variety and Alam Natural liquid organic fertilizer trend gave the highest Leaf Area Duration (DLD), Net Assimilation Rate (NAR), Relative Growth Rate ( RGR), Keywords: Liquid,organic, fertilizer eggplant

    Respons tanaman kopi liberika bermikoriza di lahan gambut terhadap aplikasi pupuk anorganik

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    Aplikasi pupuk anorganik secara kontinyu dengan dosis tinggi berdampak negatif terhadap kerusakan tanah dan lingkungan lainnya.  Pemakaian pupuk hayati mikoriza merupakan salah satu upaya untuk mengatasi dampak negatif tersebut.  Penelitian yang bertujuan untuk mendapatkan dosis pupuk anorganik terbaik dalam meningkatkan pertumbuhan tanaman kopi liberika bermikoriza di lahan gambut, dilakukan menggunakan  Rancangan Acak Kelompok satu faktor  6 perlakuan, yaitu tanpa pupuk hayati mikoriza + pupuk anorganik 100%, pupuk hayati mikoriza + tanpa pupuk anorganik,  pupuk hayati mikoriza + 25% pupuk anorganik, pupuk hayati mikoriza + 50% pupuk anorganik, pupuk hayati mikoriza + 75% pupuK anorganik, serta pupuk hayati mikoriza + 100% pupuk anorganik dengan dosis rekomendasi yaitu 50 g Urea, 40 g SP-36, 40 g KCl dan 15 g Kisserit per tanaman. Isolat mikoriza yang digunakan berupa isolat gabungan Glomus sp-1a dan Glomus sp-3c sebanyak 10 g per tanaman.  Peubah yang diamati adalah pertambahan tinggi tanaman, pertambahan diameter batang, pertambahan jumlah daun dan pertambahan jumlah cabang serta kolonisasi mikoriza.  Hasil penelitian menunjukkan bahwa aplikasi pupuk hayati mikoriza 10 g per tanaman dan 50% pupuk anorganik merupakan kombinasi terbaik dalam meningkatkan pertumbuhan kopi liberika di lahan gambut.  Pupuk hayati mikoriza mampu menggantikan dan menghemat pemakaian pupuk anorganik sebesar 50%.   ABSTRACTContinuous application of inorganic fertilizers in high doses can harm the soil and causes other environmental damage. Using mycorrhizal biofertilizers is one of the efforts to overcome the adverse effects of these inorganic fertilizers. The study aimed to obtain the best dose of inorganic fertilizer in increasing the growth of mycorrhizal liberika coffee plants on peatlands and was designed in a randomized block experiment. The treatment was the application of mycorrhizal biofertilizers and inorganic fertilizers according to recommendations i.e: without mycorrhizal biofertilizers +100% inorganic fertilizers; mycorrhizal biofertilizers+ no inorganic fertilizers; mycorrhizal biofertilizer+25% inorganic fertilizer; mycorrhizal biofertilizer + 50% inorganic fertilizer; mycorrhizal biofertilizer + 75% inorganic fertilizer; mycorrhizal biofertilizer + 100% inorganic fertilizer (as recommended doses of 50 g Urea, 40 g SP-36, 40 g KCl and 15 g Kisserit per plant). The mycorrhizal isolates used were a combination of Glomus sp-1a and Glomus sp-3c of 10 g per plant. The variables observed were the increase in plant height, stem diameter, number of leaves, number of branches, and mycorrhizal colonization. The results showed that applying 10 g per plant of mycorrhizal biofertilizer and 50% of inorganic fertilizer was the best combination for increasing the growth of Liberica coffee in peatlands.  Mycorrhizal biofertilizers can replace and reduce the use of inorganic fertilizers by 50%
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