Artikel (21)
A study was conducted to assess nutrient dynamics of soils under old and young cocoa, coffee and cashew plantations and the leaf nutrient contents of the crops at Uhonmora, Edo State, Nigeria for pr...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 2: May 2014; 75-80 | 2015
Water management is main factor that determines the successful of rice cultivation in acid sulphate soil. Soil waterlogging determines the direction and rate of chemical, geochemical and biological reaction in the soil, indirectly these reactions may influence to the changes of soil psycal propertie...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 2: May 2014; 67-73 | 2015
High soil acidity is the most important problem that causes low tomato (Lycopersicum esculentum) productivityat potential acid sulphate soil. Soil quality improvement by using ameliorant, such as lime, and introducing adaptable variety are options to increase tomato productivity in the soils. Field ...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 2: May 2014; 59-66 | 2015
A study was conducted to assess nutrient dynamics of soils under old and young cocoa, coffee and cashew plantations and the leaf nutrient contents of the crops at Uhonmora, Edo State, Nigeria for proper cultural and soil fertility m...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 2: May 2014; 53-58 | 2015
To support the goverment purpose to reach the food security, a land use study is needed. The aim of the research was to provide an information of characteristics of land resources through the identification and evaluation of potential landresources and that suitab...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 1: January 2014; 53-61 | 2015
Agroindustrial wastewaters were considered not maximum used in Lampung Province since it has acidic properties that can be used as an acid solvent. This study aimed was to explore the most potential agroindustrial wastewaters in dissolving phosphate rock by acidulation in the laboratory scale. The e...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 1: January 2014; 43-51 | 2015
Peatland in Indonesia has a potential for maize cultivation, but it has constraints that low of soil pH and of nutrient availability. Use of ameliorants from coastal sediment and salted fish waste was an alternative to improve peatlands productivity and maize yields. Objective of the study was to ex...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 1: January 2014; 35-41 | 2015
Fertilizing recommendation for lowland rice field in West Kalimantan is still in national scale and tends to be excessive. It is less relevant due to various factors such as the test method competence, the carrying capacity of the land, and the diverse condition of�...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 1: January 2014; 25-33 | 2015
The research was aimed to study effect application of sea sand (SS), coconut coir (CC) and banana coir (BC) on the growth and yield of rice (Oryza sativa L.) planted at Ustic Endoaquert soil. The pot experiment was carried out using a factorial design with 3 factors. The first factor was SS consiste...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 1: January 2014; 17-24 | 2015
A study was carried out to determine the effects of rates and types of P fertilizer (SP-36 and Phosphate Rock) on the growth of physic nut (Jatropha curcas L.), leaf P content, and soil available P in an Ultisol in a glasshouse. The treatments consisted of four rates of P (0, 50, 100 and 150 mg P2O5...
JOURNAL OF TROPICAL SOILS; Vol. 19 No. 1: January 2014; 9-15 | 2015