Artikel (22)
Acid sulfate soil contains high acid cations. Palm oil mill effluent (POME) mixed with zeolite can increase pH of acid sulfate soil. Base cations (Ca, K and Mg) on zeolite are exchangeable with H+Â and Al3+ ions in acid sulfate soil. The aim of this study was to investigate the effects of applica...
JOURNAL OF TROPICAL SOILS; Vol. 25 No. 1: January 2020; 21-27 | 2020
Pepper (Piper nigrum L.) has a high selling value. The price of pepper in the domestic or international market that is always high can be a great opportunity to increase farmers’ income. Tirtomoyo District is dominated by hilly areas with common soil types of Litosol and Latosol. As one of th...
JOURNAL OF TROPICAL SOILS; Vol. 25 No. 1: January 2020; 29-37 | 2020