Sains Tanah最新文献

{"title":"Effects of Boron Fertilization on Sunflower Grown on Low Boron Sandy Soil","authors":"Khalid Dhassi, S. Drissi, K. Makroum, Fatimzahra Nasreddine, Fouad Amlal, Abdelhadi Aït Houssa","doi":"10.20961/STJSSA.V16I1.26114","DOIUrl":"https://doi.org/10.20961/STJSSA.V16I1.26114","url":null,"abstract":"<span>Agronomists evaluate soil boron fertility with the threshold of around 0.5 mg kg^-1(hot water extraction). The nonappearance of boron deficiency on sunflower, when grown on low boron sandy soil, was investigated to test the validity of this boron guideline fertility.<strong> </strong>The soil boron content was around 0.19mg kg^-1. Pot experiments were conducted during 2015 season and repeated during 2016 season. Six boron levels were applied to soil: (0, 0.2, 0.5, 1, 5, and 10mg kg^-1) in 2015 and (0, 2, 5, 10, 15, and 20mg kg^-1) in 2016. Boron was applied as Solubor-C (Na₂B₈O₁₃.4H₂O, 21% of boron). The results revealed that soil boron application did not enhance kernels weight and kernels oil and protein contents. However, boron</span><span>supply</span><span>higher than or equal to 1mg kg^-1resulted in visible leaf damage. Also, a significant decrease in kernels weight was recorded at high boron levels (15 and 20 mg kg^-1). The kernels boron content did not increase with a successive increase in dose of boron supply. It was sufficient, around 16mg kg^-1, for all boron tested amounts. Also, plant content on other nutrients was not affected by boron application. The soil residual boron enrichment was around 0.3 mg kg^-1for each boron application of 2 mg kg^-1.</span>","PeriodicalId":36463,"journal":{"name":"Sains Tanah","volume":"85 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77144627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Study of Light Intensity and Fertilizer on Soybean in Albizia chinensis Agroforestry System","authors":"Zulfikar Affandi, D. Purnomo, S. Supriyono","doi":"10.20961/STJSSA.V16I1.25872","DOIUrl":"https://doi.org/10.20961/STJSSA.V16I1.25872","url":null,"abstract":"<span lang=\"IN\">One of the efforts to solve the decreasing of agriculture land area caused by land use change </span><span>is through</span><span lang=\"IN\"> agroforestry system (AF), such as the cultivation among the Albizia chinensis trees. This research, along with the experiment, aims</span><span> at </span><span lang=\"IN\">study</span><span>ing</span><span lang=\"IN\"> the light characteristic of 1.5 years old</span><span lang=\"IN\">Albizia c and the effect of fertilization on the growth of soybean</span><span> and</span><span lang=\"IN\"> test</span><span>ing</span><span lang=\"IN\"> the soybean yield of Dega 1 varieties in agroforestry system based on Albizia c. </span><span>Using the</span><span lang=\"IN\"> split-plot Randomized Block Design (RBD)</span><span> as the experiment</span><span lang=\"IN\">, the intensity of light was</span><span> employed as</span><span lang=\"IN\"> the main plot</span><span> whereas </span><span lang=\"IN\">the fertilizer was </span><span>used as </span><span lang=\"IN\">the subplot</span><span> in this study</span><span lang=\"IN\">. There were four levels of light intensity:  land with high light intensity (lands outside AF), rather high light intensity (radiation transmission fraction (RTF) among Albizia c 1425 ha^-1 density), medium-high light intensity (RTF among 2850 Albizia c density with pruned canopy), rather low light intensity (RTF among 2850 Albizia c  density with unpruned canopy). As the subplot were some various fertilizers such as Albizia c litter, Albizia c litter + phosphorus (P) + potassium (K), and without any fertilization. </span><span>Totally </span><span lang=\"IN\">12 treatments </span><span>were </span><span lang=\"IN\">obtained</span><span> and</span><span lang=\"IN\"> each of </span><span>those</span><span> <span lang=\"IN\">treatments was replicated three times, consequently</span></span><span> consisting of </span><span lang=\"IN\">36 experiment units. The result of this research shows that  Albizia c was exceedingly potential for the soybean cultivation with AF system. The passing light under the canopy (RTF) depended on the distance between each tree and could be improved by pruning the canopy. The increasing RTF increased vegetative and generative growth. The </span><span>highest soybean</span><span> <span lang=\"IN\">production (3.3 tons ha^-1) could be achieved in 2850 trees ha^-1 density with pruned canopy (RTF: 49% equals to 28440 lux) compared with biomass production in open land (3.9 ton</span></span><span>s</span><span lang=\"IN\"> ha^-1).</span>","PeriodicalId":36463,"journal":{"name":"Sains Tanah","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82566100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Remediation of Chromium Contaminated Soil by Phyto-Bio System (PBS) Application","authors":"R. Rosariastuti, Selly Maisyarah, S. Sudadi, S. Hartati, P. Purwanto","doi":"10.20961/STJSSA.V16I1.24932","DOIUrl":"https://doi.org/10.20961/STJSSA.V16I1.24932","url":null,"abstract":"Chromium polluted water was increased as the result of the growth of the industries, due to their industrial waste were most likely contain heavy metals, especially textile industrial waste that was discarded to the rivers. This research aimed to study the removal of chromium levels in soil used the symbiosis between plant and bacteria. Soil sample contained with 4.33 mg kg-1 and the irrigation water sample contained with 1.09 mg l-1 of total chromium. This research design was factorial with Randomized Complete Block Design as the based design There were 3 factors in this study: 1.  inorganic fertilizer (P): P0: without inorganic fertilizer, P1: with inorganic fertilizer; 2. chelator (B):B0: without chelator, B1: with chelator Rhizobium sp I3, B2: with chelator manure; 3. Plant (T): T0 without plant, T1: with plant. Data were analyzed by statistical analysis using ANOVA continued by T-test or Duncan Multiple Range test and correlation test. The result showed that the remediation process reduced chromium levels in soil with the removal effectivity up to 71.90% on the treatment combination of NPK fertilizer+manure+plant while removal effectivity on plant-only treatment was 55.66%. The chromium levels in Fimbristylis globulosa were in the range from 1.82–3.15 μ g-1, it indicated that Fimbristylis globulosa was a feasible plant for bioremediation. Fimbristylis globulosa grew well and has the ability to absorb chromium, especially by combining it with Rhizobium sp I3and the chromium uptake in roots was higher than shoots.","PeriodicalId":36463,"journal":{"name":"Sains Tanah","volume":"31 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85208850","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Back Matter","authors":"V. Cahyani","doi":"10.20961/stjssa.v16i1.31922","DOIUrl":"https://doi.org/10.20961/stjssa.v16i1.31922","url":null,"abstract":"","PeriodicalId":36463,"journal":{"name":"Sains Tanah","volume":"115 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85949792","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Abiotic Stress And Biofertilizer on The Pereskia bleo (Kunth) DC. Against Growth, Proline, and Antioxidants","authors":"Intan Christin Dullah, Sulandjari Sulandjari, S. Supriyono","doi":"10.20961/STJSSA.V16I1.25158","DOIUrl":"https://doi.org/10.20961/STJSSA.V16I1.25158","url":null,"abstract":"Pereskia bleo is a spiny bush from the genus Pereskia and family Cactaceae. Its leaves are shiny green, flowering, and fruitful. Some researchers to indicate that P.bleo leaves contain high antioxidants, anti-cancer, and are traditionally used for diabetic, hemorrhoids, hypertension, and gastric pain. The aim of this study was to determine the effect of salinity stress and water volume as well as the role of biofertilizer on the growth of Pereskia bleo and antioxidant content. Using Nested design (completely randomized factorial) with NaCl treatment; 0 ppm, 5 ppm, 10 ppm, and biofertilizer; 5 ppm, 10 ppm, each nested in a water volume of 500 ml, 300 ml and 150 ml per polybag. Each treatment was repeated three times, resulting in a total sample of 54 plants. Meanwhile, the findings indicate that abiotic pressure suppresses growth and proline, but not on antioxidants. There is an interaction between salinity and biofertilizer against antioxidants. Abiotic Stress can increase the antioxidant content.","PeriodicalId":36463,"journal":{"name":"Sains Tanah","volume":"58 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72876989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect Balance of Bokashi and Inorganic Fertilizer on Growth, Simplicia Yield, and Content Of Sinensetin of Kumis Kucing (Orthosiphon aristatus (Blume) Miq.)","authors":"Yoviana Erdhika Adiarti, B. Pujiasmanto, W. S. Dewi","doi":"10.20961/STJSSA.V16I1.25102","DOIUrl":"https://doi.org/10.20961/STJSSA.V16I1.25102","url":null,"abstract":"Growth potential, simplicia yields, and secondary metabolites of sinensetin varieties kumis kucing can be increased through fertilization management. The aim of this research was to examine the effect balance of bokashi and inorganic fertilizer on growth, simplicia yields and secondary metabolites of sinensetin kumis kucing varieties. The design of research was a split-plot field experiment, with the main plot were varieties (Orsina 1 and Orsina 2) and subplots in bokashi fertilization of goat manure (control, bokashi 15 tons ha-1, bokashi 15 tons ha-1 + 100% inorganic fertilizer dose recommendation, bokashi 15 tons ha-1 + 50% recommended dosage of inorganic fertilizer and 100% recommended inorganic fertilizer). Inorganic fertilizer recommendations consist of Urea 100 kg ha-1, SP36 200 kg ha-1, and KCl 100 kg ha-1. The results showed that the use of bokashi 15 tons ha-1 + 50% inorganic fertilizer increased growth. Besides it also produced the highest simplicia of 48.57 g plant-1 and the highest secondary metabolite of 0.045% plant-1 in Orsina 1. Both kumis kucing varieties did not show growth differences and yields. Bokashi fertilizer can reduce the use of inorganic fertilizers in the growth and simplicia yields and potentially increase sinensetin of kumis kucing.","PeriodicalId":36463,"journal":{"name":"Sains Tanah","volume":"336 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77389248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Environmentally Sound Spatial Management Using Conservation and Land Evaluation Approach at Sloping Lands in Humid Tropic (A case study of Antang Kalang sub-district, Central Kalimantan, Indonesia)","authors":"A. Bhermana, S. Susilawati","doi":"10.20961/STJSSA.V16I1.24004","DOIUrl":"https://doi.org/10.20961/STJSSA.V16I1.24004","url":null,"abstract":"The main problem faced by sloping lands in the humid tropic includes land degradation influencing natural ecosystem damage broadly. Land conversion and improper land-use have been widely recognized as the main cause of environmental damage since the demands for agricultural lands become greater than land resource available. The objective of this study was to determine the concept of appropriate land-use planning through environmentally sound spatial management in order to prevent land and environmental degradation.  The sub-district of Antang Kalang was chosen as study area representing sloping lands in humid tropic that have a susceptibility to erosion. Conservation approach by the use of USLE erosion risk prediction model and land evaluation through land suitability classification was used in this study. The geographic information system (GIS) and remote sensing (RS) technology were applied to generate spatial basic information and to assist in spatial analysis. Two crops, upland rice, and rubber,  representing food crop and estate p have been selected based on the local resource that has been existed since a long time ago. The result of spatial analysis shown that the arable land for agricultural practices covers  9,039 hectares (23.19%) while for non-arable land, it is allocated for forest preservation with total areas 29,934 hectares (76.81%). Land-use planning and land resources management involving conservation aspect and land suitability evaluation should be taken into account for farming practice at sloping lands areas since the value of soil loss potential appears as an indicator of erosion risk. Permanent cultivation system and the intercropping farming system is the option of recommended agricultural practice at sloping lands in the humid tropic that have a susceptibility to erosion.","PeriodicalId":36463,"journal":{"name":"Sains Tanah","volume":"65 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90831457","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Peanut Growth and Ginofor Formation on Boron and Phosphor Applications","authors":"Novita Rahman, S. Suntoro, A. T. Sakya","doi":"10.20961/STJSSA.V16I1.25372","DOIUrl":"https://doi.org/10.20961/STJSSA.V16I1.25372","url":null,"abstract":"Soil is an important factor in peanut cultivation as a nutrient provider. In recent years, peanut production has dwindled due to the decrease in soil fertility. Boron as a micronutrient can maximize peanut production through optimum viability of flowers and phosphor as essential nutrients for peanut to improve its pod filling. This study aims to examine the application of boron and phosphor growth and formation of peanut gynophore. The research was conducted from September 2017 to January 2018 in Sambirembe village, Magetan. The experiment uses randomized complete block design (RCBD) with the first factor applied on the dose of boron fertilizer (0, 1, 2 3 kg ha-1) and the second was on the dose of phosphor fertilizer (0, 75, 100, 150 kg ha-1), repeated 3 times. Boron application resulted in the highest plant height at the fourth week by 10.45%. The application of 1 kg ha-1 boron without phosphorus (0 kg ha-1) yielded the highest gynophore formation, i.e. 42.","PeriodicalId":36463,"journal":{"name":"Sains Tanah","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89527265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Studying the Solubility, availability, and uptake of silicon (Si) from some ore minerals in sandy soil","authors":"R. Rashad, Rashad A. Hussien","doi":"10.15608/STJSSA.V15I2.21430","DOIUrl":"https://doi.org/10.15608/STJSSA.V15I2.21430","url":null,"abstract":"The solubility and availability of Si from the feldspar, silica, and zeolite as Si-bearing minerals were studied in a sandy soil. Silicon uptake by the soybean (<em>Glycine max L.</em>)<em> </em>plant was discussed. The minerals used were applied before planting in two separate rates; rate 1 ≈ 595.2 and rate 2 ≈ 1190.5 kg ha<strong>^-1</strong> accompanied by a ≈ 4.8 kg ha<strong>^-1</strong> constant rate of the K-humate sprayed as a solution on soil after planting in a complete randomized block design. The dissolved Si from the different minerals at rate 2 followed an opposite direction to their SiO₂ percentage that may be due to the structural differences: silica (1.46 mg kg<strong>^-1</strong> - SiO₂=98.4%) < zeolite (1.71 mg kg<strong>^-1</strong> - SiO₂=75.9%) < feldspar (2.09 mg kg<strong>^-1</strong> - SiO₂= 71.9%). The individual mineral treatments at rate 2 have almost decreased the available NPK estimated after soybean harvesting. The K-humate has enhanced the effect of silica at rate 2 for the available N and P. The soybean seed yield (kg ha<strong>^-1</strong>) increased significantly by 117.9% for the S1 + H, 109.2% for K-humate and 57.5% for the Z2 + H. The seeds’ Si (mg kg<strong>^-1</strong>) increased significantly from 3.6% to 102.9% affected by the silica treatments.","PeriodicalId":36463,"journal":{"name":"Sains Tanah","volume":"39 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89634281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ratoon Systems in Tidal Lowland: Study of Groundwater Dynamics and the Change of Nutrient Status on Rice Growth","authors":"M. Imanudin, B. Bakri, R. Jelita","doi":"10.15608/STJSSA.V15I2.18928","DOIUrl":"https://doi.org/10.15608/STJSSA.V15I2.18928","url":null,"abstract":"It has been widely known that crop cultivation in tidal lowland areas in the second crop (March-April) is not conducted by farmers in a maximum way. Thus, this research aims at investigating the dynamics of groundwater and its nutrient status condition for the purpose of supporting plant cultivation in the second crop after rice planting. The study was conducted in Banyu Urip Village, Tanjung Lago Telang II, Banyuasin. The plant used in this activity was paddy, with the treatment of a ratoon cultivation system. The ratoon system is paddy cultivation by using the first paddy planting season shoots. A urea treatment was given with a dose of 0 kg/ha (control) and a dose of 150 kg/ha. The results of soil analysis showed that, although not significant, there was an increase in the nutrient status of the soil condition. Therefore, it can be concluded that fertilizing was considered ineffective for the system of ratoon cultivation. The study of groundwater dynamics showed that at the early phase, a groundwater table was dropped above 30 cm (critical) but it could increase by the rain and water retention in the canal. The average of the groundwater table during the ratoon period was at the depth of 5-30 cm below the soil surface, allowing it to be suitable for plant growth. The plant growth at B treatment was better and its production was 2.8 ton/ha. This 2.8 ton/ha plant production was classified as a high category for paddy with the ratoon cultivation system. There is no effect of the fertilizer treatment on the nutrient status in the soil. Moreover, the application of fertilizer did not give a significant result on the production of rice.","PeriodicalId":36463,"journal":{"name":"Sains Tanah","volume":"11 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80936788","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}