Artikel (56)
Field experiment with a split plot design has been carried out in order to assess the growth characteristics and yields, and effectiveness of MVA upland rice which were given potassium fertilizer in two growing seasons. MVA inoculation consisted of three treatments (without MVA, Glomus sp. and Gigas...
JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 53-60 | 2019
Acid upland soil in Indonesia has a potential for agricultural development but it has constraints low of organic C and available P as well as the soil physical properties have been degraded. The use of manure and direct application phosphate rock (PR) was an alternative to improve land productivity ...
JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 45-52 | 2019
Acidic dry land in Lampung is potential for soybean development area. Low soybean yield in farmer level is one of factor causing its’ low competitiveness. Soil fertility is the main constrain related to low yield of soybean. Objective of the research was to diagnose a cause of poor soybean gr...
JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 37-43 | 2019
Swampland development such as acid sulphate soil for agricultural cultivation has various problem, including high soil acidity, fluctuated and unpredictable water flooding and the presence of toxic elements such as Fe which resulting in low crop yields. The research was conducted at the experimental...
JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 31-36 | 2019
Application of Rice Straw Compost with Different Bioactivators on the Growth and Yield of Rice Plant
Turnover of organic matters to the soil can increase the efficiency of chemical fertilizers, improve the plant growth and sustain the environment. Field experiment was carried out in the Buyut Udik Village, Gunung Sugih District, Central Lampung from May to August 2009. Rice straw was composted ...
JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 25-29 | 2019
Low phosphorus (P) availability and high iron (Fe) concentration are the dominant characteristics of acid sulphate soils (ASS). Optimum agricultural management practices are required to leach the excess Fe2+ and to prevent or minimize loss of P from the soil in order to obtain conditions fav...
JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 19-24 | 2019
The purpose of this research was to gain a technological breakthrough in controlling Fe toxicity (Fe2+) on Ultisol in a new established rice field by using humic acid from rice straw compost and water management, so that optimal production of rice plants could be achieved. The experiment was designe...
JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 9-17 | 2019
Research had been carried out at the Research and Soil Testing Laboratory and Greenhouse of Soil Research Institute, Bogor using newly opened paddy soil from Pesisir Selatan districts, West Sumatra (one year old). Total treatments tested were 12 which were combination of farmer rate, NPK recommendat...
JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 1-8 | 2019
Development and Rainfed Paddy Soils Potency Derived from Lacustrine Material in Paguyaman, Gorontalo
Rainfed paddy soils that are derived from lacustrine and include of E4 agroclimatic zone have many unique properties and potentially for paddy and corn plantations. This sreseach was aimed to: (1) study the soil development of rainfed paddy soils derived from lacustrine and (2) evaluate rainfed padd...
JOURNAL OF TROPICAL SOILS; Vol. 16 No. 3: September 2011; 267-278 | 2019
The research was aimed to study the efect of choosing different contour interval to produce Digital Elevation Model on a fully raster-based erosion modeling of The Universal Soil Loss Equation using remote sensing data and a geographical information system technique. Methods were applied by anal...
JOURNAL OF TROPICAL SOILS; Vol. 16 No. 3: September 2011; 257-266 | 2019