Journal of Tropical Soils最新文献_第4页

Composition and Dose of Ameliorant Against C/N Ratio, Soil pH, Plant Phosphate Content on Potato Plants 改良剂组成及用量对马铃薯碳氮比、土壤pH、植株磷素含量的影响

Journal of Tropical Soils Pub Date : 2021-09-02 DOI: 10.5400/JTS.2021.V26I3.%P

Linlin Parlinah, J. S. Hamdani, A. Nurbaity, A. Nuraini

{"title":"Composition and Dose of Ameliorant Against C/N Ratio, Soil pH, Plant Phosphate Content on Potato Plants","authors":"Linlin Parlinah, J. S. Hamdani, A. Nurbaity, A. Nuraini","doi":"10.5400/JTS.2021.V26I3.%P","DOIUrl":"https://doi.org/10.5400/JTS.2021.V26I3.%P","url":null,"abstract":"This article aims to study the addition of ameliorant material in the soil to increase fertility rates, especially for potato plants grown at the height of 750 m above sea level. The experiments were conducted on medium plains 750 m above sea level in the Jatinangor area, Indonesia, with land type Incepticol. The composition of ameliorant consists of Cattle manure, biochar from coconut shells, and dolomite. The seeds of the potatoes used are relatively good varietal when cultivated in a medium plain. The design of the environment used is the group’s random draft repeated three times, the treatment design consists of K0: control; K1: Cattle manure 10 Mg ha-1; K2: Cattle manure 20 Mg ha-1; K3: Cattle manure 8 Mg ha-1, dolomite 1 Mg ha-1, 1 Mg ha-1 biochar; K4: Cattle manure 16 Mg ha-1, dolomite 2 Mg ha-1, 2-Mg biochar ha-1, K5: Cattle manure 8 Mg ha-1, dolomite 2 Mg ha-1; K6: Cattle manure 16 Mg ha-1, dolomite 4 Mg ha-1; K7: Cattle manure 8 Mg ha-1, biochar 2 Mg ha-1; K8: Cattle manure 16 Mg ha-1, biochar 4 Mg ha-1. Results showed that the composition and dose of ameliorant could increase the value of soil pH but have not improved the C/N ratio and absorption of phosphorus plants. The best result was obtained from the composition treatment of 16 Mg ha-1 Cattle manure, 2 Mg ha-1 dolomite, and 2 Mg ha-1 biochar. Soil pH is capable of increased by 16.83%, and the size of the potato bulbs of Class L (450-550 mm) amounted to 35, 11%, size M (350-450 mm) by 25.89%, and size S (200-350 mm) amounting to 34.37% when compared with controls.","PeriodicalId":31391,"journal":{"name":"Journal of Tropical Soils","volume":"77 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72669167","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}

引用次数: 1

Effect Carrier Materials of Bradyrhizobium sp. strain PZS_A08 on Growth of Indigofera zollingeriana 慢生根瘤菌PZS_A08载体材料对绿植蓝生长的影响

Journal of Tropical Soils Pub Date : 2021-05-31 DOI: 10.5400/jts.2021.v26i2.95-103

Wilhelmus Terang Arga Sanjaya, Sari Kartika, D. K. T. Sukmadewi, R. Widyastuti, I. Anas

{"title":"Effect Carrier Materials of Bradyrhizobium sp. strain PZS_A08 on Growth of Indigofera zollingeriana","authors":"Wilhelmus Terang Arga Sanjaya, Sari Kartika, D. K. T. Sukmadewi, R. Widyastuti, I. Anas","doi":"10.5400/jts.2021.v26i2.95-103","DOIUrl":"https://doi.org/10.5400/jts.2021.v26i2.95-103","url":null,"abstract":"Sustainable forage production is needed to meet animal feed needs as the livestock industry increases. The purpose of this study is to evaluate the effect of liquid and solid carrier material on the effectiveness and infectivity of Bradyrhizobium sp. strain PZS_A08 on the growth of Indigofera zollingeriana (I. zollingeriana). The two carrier materials used were zeolite (solid) and molasses (liquid). This study used two carrier materials consisting of zeolite (solid) and molasses (liquid). The five treatments given were P0 (50% NPK), P1 (50% NPK+liquid biofertilizer), P2 (50% NPK+sterile liquid biofertilizer), P3 (50% NPK+solid biofertilizer), P4 (50 % NPK+sterile solid biofertilizer), P5 (100% NPK). Observations were made on the plant's height, number of leaves, number of nodules, upperparts and root wet biomass, root and upper parts dry biomass, root length, and microbial population). The use of liquid and solid carrier materials effectively affected the effectiveness and infectivity of Bradyrhizobium sp. strain PZS_A08 on I. zollingeriana. Inoculants Bradyrhizobium sp. strain PZS_A08 significantly increased plants' growth and reduced the use of 50% NPK fertilizer. Cold storage temperature (5ºC) effectively maintained Bradyrhizobium sp. strain PZS_A08 on liquid and solid carriers, while solid carriers showed better effectiveness at room temperature storage (30oC). Through this research, solid carriers such as zeolite are recommended as carriers for Bradyrhizobium sp. filter PZS_A08.","PeriodicalId":31391,"journal":{"name":"Journal of Tropical Soils","volume":"173 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79611409","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}

引用次数: 1

Effect of the 32nd-year Soil Tillage and Nitrogen Fertilization on the Population and Biomass of Earthworm under Zea mays L. 32年土壤耕作和施氮对玉米地底蚯蚓数量和生物量的影响。

Journal of Tropical Soils Pub Date : 2021-05-31 DOI: 10.5400/jts.2021.v26i2.105-113

D. Prasetyo, Dwi Imaria, A. Niswati, S. Yusnaini

{"title":"Effect of the 32nd-year Soil Tillage and Nitrogen Fertilization on the Population and Biomass of Earthworm under Zea mays L.","authors":"D. Prasetyo, Dwi Imaria, A. Niswati, S. Yusnaini","doi":"10.5400/jts.2021.v26i2.105-113","DOIUrl":"https://doi.org/10.5400/jts.2021.v26i2.105-113","url":null,"abstract":"The abundance and biomass of earthworms are affected by soil tillage and fertilization. This research aimed to study long-term 32nd-year soil tillage and nitrogen fertilization on the population and biomass of earthworms under Zea mays L. The research was conducted using a randomized block design (RBD) which consisted of two factors. The first factor was the soil tillage that was Intensive Tillage (IT), Minimum Tillage (MT), and No-Tillage (NT). The Second factor was nitrogen fertilization that was N0 = 0 kg N ha-1 and N1= 200 kg N ha-1. Data of earthworm population and biomass were tested using analysis of variance and continued with the least significant difference (LSD) test at the 95% significant level. The population and biomass of earthworms at MT or NT were higher than IT. The population and biomass of earthworms in the plots without fertilization were higher than those at 200 kg N ha-1. There was an interaction between the soil tillage and N fertilization on earthworm biomass observed 60 days after planting at a 0-10 cm depth. There was a positive correlation between soil pH and earthworm population and biomass before the tillage phase.","PeriodicalId":31391,"journal":{"name":"Journal of Tropical Soils","volume":"25 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73445006","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}

引用次数: 0

Biocompost and Arbuscular Mycorrhizal Fungi on Chemical Properties of Inceptisols and Root Infection in Purple Corn Plants 生物堆肥与丛枝菌根真菌对紫玉米根系侵染的影响

Journal of Tropical Soils Pub Date : 2021-05-27 DOI: 10.5400/JTS.2021.V26I2.87-93

Yusra, Rosnina, D. S. Aryani

{"title":"Biocompost and Arbuscular Mycorrhizal Fungi on Chemical Properties of Inceptisols and Root Infection in Purple Corn Plants","authors":"Yusra, Rosnina, D. S. Aryani","doi":"10.5400/JTS.2021.V26I2.87-93","DOIUrl":"https://doi.org/10.5400/JTS.2021.V26I2.87-93","url":null,"abstract":"The purpose of this study was to evaluate the application of biocompost and mycorrhizae fungi on chemical properties of inceptisol soil and root infection on purple corn plants. This research was conducted in October-December 2020 at Experimental Garden, Faculty of Agriculture, Universitas Malikussaleh in Reuleut Village, Muara Batu District, Aceh Utara, employing Randomized Block Design (RBD) Factorial with 2 factors observed. The first factor observed was different doses of biocompost: B0 (0 ton/ha, 0 g/plot), B1 (5 tons/ha, 1500 g/plot), B2 (10 tons/ha, 3000 gr/plot) and B3 (15 tons/ha, 4500 gr/plot). The second factor was M0 (0 ton/ha, 0 gr/plot, 0 g/plant), M1 (0.25 tons/ha, 75 g/plot, 5 g/plant) dan M2 (0,5 ton/ha, 150 g/plot, 10 g/plant). The results indicated that the application of biocompost together with mycorrhizae has increased soil pH from 5.0 to 5.5 and the application of biocompost alone has improved the organic C (1.58% to 2.98%) and the application of mycorrhizae improved the root infection by 90%. The application of 5 ton/ha biocompost and 0.5 ton/ha mycorrhizae were to be found to be the best doses to improve the chemical properties of inceptisol soil and mycorrhizal infection.Keywords: biocompost, inceptisols, purple corn, mycorrhizal fungi","PeriodicalId":31391,"journal":{"name":"Journal of Tropical Soils","volume":"38 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86815552","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}

引用次数: 0

Utilization of biochar and mycorrhiza to increase the absorption of elemental nutrients of cayenne chili plant (Capsicum fruntescnes L.) 利用生物炭和菌根增加辣椒植物对元素养分的吸收

Journal of Tropical Soils Pub Date : 2021-05-20 DOI: 10.5400/jts.2021.v26i2.75-86

Bibiana Rini Widiati Giono, M. Solle, M. Idrus, S. Sofyan

{"title":"Utilization of biochar and mycorrhiza to increase the absorption of elemental nutrients of cayenne chili plant (Capsicum fruntescnes L.)","authors":"Bibiana Rini Widiati Giono, M. Solle, M. Idrus, S. Sofyan","doi":"10.5400/jts.2021.v26i2.75-86","DOIUrl":"https://doi.org/10.5400/jts.2021.v26i2.75-86","url":null,"abstract":"This study aimed to obtain the composition of biochar as a soil enhancer and mycorrhizal dose, which affected the nutrient uptake of cayenne plants. This experimental research was based on a separate plot design (RPT) with a basic randomized block design (RCBD). The main plot experiment was vesicular-arbuscular mycorrhiza or VAM (m) with three levels: mycorrhiza 10 g/plant (m1), mycorrhiza 15 g/plant (m2), and mycorrhiza 20 g/plant (m3). The subplot is biochar composition as soil enhancer (b) with three types: biochar husk 50%+25% soil+25% sand (b1), 50% sand+25% soil+25% biochar wood (b2), and wood charcoal biochar 50%+soil 25%+biochar charcoal husk 25% (b3). Each level of the VAM doses factor is combined with biochar. These nine treatment combinations and the levels were repeated thrice, accounting for 27 experimental units. The results showed that the parameters of phosphorus uptake, potassium uptake, and fresh root weight had a positive and significant relationship to the percentage of mycorrhizal infections. The combination treatment of mycorrhiza 20 g/plant and the composition of 50% husk biochar+25% soil+25% sand, 15 g mycorrhizal dose treatment with 50% wood biochar+25% soil+25% biochar rice husk and 20 g/plant are the best treatment as a planting medium.","PeriodicalId":31391,"journal":{"name":"Journal of Tropical Soils","volume":"54 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91104658","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}

引用次数: 3

Saline-Resistant Paddy Macronutrient Content Response to The Saline Source Distance 耐盐水稻大量养分含量对盐源距离的响应

Journal of Tropical Soils Pub Date : 2021-04-27 DOI: 10.5400/jts.2021.v26i2.63-74

A. N. Putra, Martiana Adelyanti, Albert Fernando Sitorus, Qoid Luqmanul Hakim, M. Rahma, Istika Nita, S. Sudarto, A. Fibrianingtyas

{"title":"Saline-Resistant Paddy Macronutrient Content Response to The Saline Source Distance","authors":"A. N. Putra, Martiana Adelyanti, Albert Fernando Sitorus, Qoid Luqmanul Hakim, M. Rahma, Istika Nita, S. Sudarto, A. Fibrianingtyas","doi":"10.5400/jts.2021.v26i2.63-74","DOIUrl":"https://doi.org/10.5400/jts.2021.v26i2.63-74","url":null,"abstract":"The impact of salinity on paddy production in Indonesia was pronounced with an average decline of 6.83% (2015-2019). Salinity interferes with macronutrients' absorption into plants, causing stunted growth (salinity contributed to a 42% decrease in paddy production). One solution to solve the salinity problem in paddy is to use saline varieties. There were very few studies on macronutrient content analysis in resistant varieties response to the salinity source's distance. This research conducted in Jabon Sidoarjo, Indonesia, aims to see the macronutrient response and plant growth to the saline source's distance. This research was conducted in Jabon District, Sidoarjo Regency, using two transects with a length of 2 km and 3.4 km, respectively. The distance between the research location and the salinity source was 10.65 km. The survey used a free grid to adjust paddy fields' location and the presence of resistant varieties. The results showed that the closer to the salinity source, the salinity indicators consisting of Electrical Conductivity, Sodium Adsorption Ratio, Exchangeable Sodium Percentage, and pH H2O would increase. The increase in salinity then affects the decrease in macronutrients (Nitrogen, Phosphor, and Kalium) in plants. However, tillers and leaves (length and number) were unaffected by high salinity levels in the soil.","PeriodicalId":31391,"journal":{"name":"Journal of Tropical Soils","volume":"389 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84998878","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}

引用次数: 0

Growth and Yield of Rice Planted in a Tidal Soil Under NPK in situ and Cow Manure Application 原位施用氮磷钾和牛粪对潮土水稻生长和产量的影响

Journal of Tropical Soils Pub Date : 2021-04-22 DOI: 10.5400/jts.2021.v26i2.51-62

D. Budianta, Jerry Alfredo Lee Panggar Bessy, A. Hermawan

{"title":"Growth and Yield of Rice Planted in a Tidal Soil Under NPK in situ and Cow Manure Application","authors":"D. Budianta, Jerry Alfredo Lee Panggar Bessy, A. Hermawan","doi":"10.5400/jts.2021.v26i2.51-62","DOIUrl":"https://doi.org/10.5400/jts.2021.v26i2.51-62","url":null,"abstract":"The specific location fertilization or in situ fertilization rate is a dynamic application and management method dynamically adapted to the plant’s need according to location and season related to soil chemical properties and aims to increase farmer profit. This greenhouse experiment aimed to evaluate the NPK fertilizer dose based on in situ soil chemistry of tidal swamp compared to NPK recommendation combined with cow manure from the local farm. These pot experiments were conducted from June to October 2019 in a Greenhouse of Soil Science Department, Faculty of Agriculture, Sriwijaya University, Indralaya, Ogan Ilir of South Sumatra. This experiment used a factorial completely randomized design with two factors and three replications. The first factor was NPK fertilizer rate consisting of two levels (200 kg ha-1 Urea, 100 kg ha-1 SP-36, and 100 kg ha-1 KCl) from recommended fertilizer, and (102 kg ha-1 Urea, 0 kg ha-1 SP-36, and 66 kg ha-1 KCl) from the in situ soil analysis. The second factor was cow manure with four levels (2, 6, 8, and 10 Mg ha-1). The result showed that recommended NPK combined with 10 Mg ha-1 cow manure was the best for rice production in tidal lowland and produced 2.5 Mg ha-1. However, this result was not significant compared to NPK specific locations combined with the same rate of cow manure.","PeriodicalId":31391,"journal":{"name":"Journal of Tropical Soils","volume":"75 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87088482","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}

引用次数: 0

Dynamics of Soil Moisture under Different Water Levels and Various Dosages of Organic Fertilizer 不同水位和不同有机肥用量下土壤水分动态

Journal of Tropical Soils Pub Date : 2020-12-16 DOI: 10.5400/JTS.2020.V25I3.157-164

S. Nur, S. Suwarto, S. Saparso, H. A. Djatmiko

{"title":"Dynamics of Soil Moisture under Different Water Levels and Various Dosages of Organic Fertilizer","authors":"S. Nur, S. Suwarto, S. Saparso, H. A. Djatmiko","doi":"10.5400/JTS.2020.V25I3.157-164","DOIUrl":"https://doi.org/10.5400/JTS.2020.V25I3.157-164","url":null,"abstract":"The study aimed to determine the dynamics of soil moisture in various standing water levels and dosages of organic fertilizer. The experiment was arranged in a Completely Randomized Block Design (CRBD) with a 3 × 3 factorial treatment in 3 replicates. The first factor was 3 different water levels, namely 10 cm (T1), 20 cm (T2), and 30 cm (T3). The second factor was 3 levels of dosages of organic fertilizer, namely 0 g pot-1(P1), 35 g pot-1 (P2), and 70 g pot-1 (P3). The highest of soil moisture was obtained in the 10 cm water levels and 70 g organic fertilizer (T1P3) and the lowest in the 30 cm water levels and without organic fertilizer (T3P1). The highest infiltration rate was obtained in the 30 cm water levels and 70 g pot-1 organic fertilizer (T3P3), the 30 cm water levels and 35 g pot-1 organic fertilizer (T3P2), the 20 cm water levels and 70 g pot-1 organic fertilizer (T2P3), and the lowest in the combination of the 10 cm water levels and without organic fertilizer (T1P1). The highest capillary rate was obtained in the combination of the 30 cm water levels and 70 g organic fertilizer (T3P3) and the lowest in the combination of the 30 cm water levels and without organic fertilizer (T3P1).","PeriodicalId":31391,"journal":{"name":"Journal of Tropical Soils","volume":"53 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85756655","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}

引用次数: 0

Relationship between Concentration and Discharge on Storm Events: Case Study at Cakardipa Catchment, Cisukabirus Subwatershed, Upper Ciliwung Watershed, Bogor, West Java 暴雨事件中浓度与排水量之间的关系：西爪哇茂物上 Ciliwung 流域 Cisukabirus 子流域 Cakardipa 集水区案例研究

Journal of Tropical Soils Pub Date : 2020-05-29 DOI: 10.5400/jts.2012.17.1.85

N. Heryani, H. Pawitan, Mohamad Yanuar Jarwadi Purwanto, K. Subagyono

{"title":"Relationship between Concentration and Discharge on Storm Events: Case Study at Cakardipa Catchment, Cisukabirus Subwatershed, Upper Ciliwung Watershed, Bogor, West Java","authors":"N. Heryani, H. Pawitan, Mohamad Yanuar Jarwadi Purwanto, K. Subagyono","doi":"10.5400/jts.2012.17.1.85","DOIUrl":"https://doi.org/10.5400/jts.2012.17.1.85","url":null,"abstract":"River nutrient loadings rates are frequently determined from discharge and hydrochemistry relationships using regression techniques. Unfortunately such methods as a conventional technique are inadequate for dealing with the problem such as differences in shape and direction of loop forming in individual and seasonal storms. Besides the relationships are nonlinear and time-dependent, they also varies from site to site. There is a currently method to study hysteresis between discharge and concentration of hydrochemistry. The relationship between discharge and solute concentration was investigated at Cakardipa catchment, Upper Ciliwung watershed, between the years of 2009-2010. The characteristics of the hysteresis loops were used to evaluate the temporal variation of the relative contribution to stream flow of source waters at Cakardipa Catchment including groundwater (CG), soil water (CSO), and rain water (CR). Chemical water analysis was carried out on 497 water samples on storm event. The chemical analysis of storm event of Februari 14, 2010 was carried out for the concentrations of K+, Ca2+, Mg2+, Na+, SiO2, SO42-NO3-, Cl-, and HCO3-. Results of the experiment showed that concentrations displayed circular hysteresis loops during the events, highlighting the complex relation among solutes and discharge during storm hydrographs. The solutes of K, Na, and Ca produced concave curvature, anti-clockwise hysteresis loops, and positive trend, so that classified as A2 loops with components ranking were CR> CG> CSO. .The solutes of Mg, SO4, NO3 assumed to come from groundwater produced convex curvature, clockwise hysteresis loops, and positive trend, indicating a concentration component ranking of CG > CR > CSO (C2 model). While Si and Cl produced clockwise hysteresis loops, indicating a concentration component ranking of CG> CSO> CR which was C1 model.","PeriodicalId":31391,"journal":{"name":"Journal of Tropical Soils","volume":"13 19","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141202104","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}

引用次数: 0

Sediment Enrichment Ratio and Nutrient Leached by Runoff and Soil Erosion on Cacao Plantation 可可种植园的沉积物富集比以及径流和土壤侵蚀沥滤的养分

Journal of Tropical Soils Pub Date : 2020-05-29 DOI: 10.5400/jts.2012.17.1.67

O. Haridjaja

{"title":"Sediment Enrichment Ratio and Nutrient Leached by Runoff and Soil Erosion on Cacao Plantation","authors":"O. Haridjaja","doi":"10.5400/jts.2012.17.1.67","DOIUrl":"https://doi.org/10.5400/jts.2012.17.1.67","url":null,"abstract":"Soil consevation management system is an activity for diminishing sediment enrichment ratio and nutrient leacheds by water run off and soil erosion processes. The research was aimed to study sediment enrichment ratio and nutrient leached by run off and soil erosion on cacao plantations. Arachis pintoi with strips parallel contour and multiple strip cropping of upland rice or soybean (Glycine max) were planted to improve soil physical characterictic on cacao plantation as a main plant. The expriment were conducted with treatments as 10-15% and 40-45% slopes, 5-7 months and 25-27 months cacao ages (as main plants). As sub plots are T1 as a monoculture which to be cleaning under the plant canopy, T2 as a multiple strip cropping of upland rice or soybean, T3 as a combination of T2 and A. Pintoi strip. The results showed that total N, P2O5, and K2O and organic-C contents in water run off and soil sediments indicated that T3 >T2 >T1 treatment, with the contents of each nutrient: T3 (total N 0.18%; 24.87 mg 100 g-1 P2O5: K2O 15.16 mg 100 g-1), T1 (total N 0.16%, 22.39 mg 100g-1 P2O5, K2O 11.50 mg 100g-1). The total N, P2O5, K2O and organic-C soil contents < accumulation nutrient contents of total water run off and soil sediment transport. All of treathments have sediment enrichment ratios > 1.","PeriodicalId":31391,"journal":{"name":"Journal of Tropical Soils","volume":"2 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141202093","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}

引用次数: 6