Improvement chemical properties of oxisols and rice production with humic substances from sub-bituminous coal Indonesia
พ.ศ. 2562
P use efficiency by corn (Zea mays L.) on ultisol due to application of coal fly ash-chicken manure mixture
พ.ศ. 2557
The possible use of coal fly ash and phosphate-solubilizing fungi for improving the availability of P and plant growth in acid soil
พ.ศ. 2563
Improvement of phosphate fertilization method in wetland rice
พ.ศ. 2556
Improvement of rice growth and productivity through balance application of inorganic fertilizer and biofertilizer in inceptisol soil of lowland swamp area
พ.ศ. 2557
Optimizing utilization of palm oil mill effluent and its influences on nutrient availability and soil organic matter on ultisols
พ.ศ. 2560
Effects of humic substances on phosphorus sorption and desorption characteristics of soils high in iron and aluminum oxides
พ.ศ. 2556
Application of bokashi and sunn hemp (Crotalaria juncea L.) to improve inorganic fertilizer efficiency on maize (Zea mays L.)
พ.ศ. 2558
Growth and yield of organic rice with cow manure application in the first cropping season
พ.ศ. 2557
Effect of biochar on peat soil fertility and NPK uptake by corn