Effects of organic soil amendments on photosynthetic traits of black pepper (Piper nigrum L.) in an alluvial soil

• Main Authors: Sulok, Kevin Muyang Tawie, Haruna, Ahmed Osumanu, Choy, Yuen Khew, Pei, Sing Lai, Zehnder, Jarroop Augustine Mercer, Wasli, Mohd Effendi
• Format: Article
• Language: English
• Published: Hindawi Publishing 2020
• Online Access: http://psasir.upm.edu.my/id/eprint/88721/1/Effects%20of%20organic%20soil%20amendments%20.pdf; http://psasir.upm.edu.my/id/eprint/88721/; https://www.hindawi.com/journals/aess/2020/8880162/

Black pepper in Sarawak, Malaysia, is mainly cultivated using the conventional method involving heavy usage of chemical compound fertilizers. Organic soil amendments can reduce the required amounts of chemical fertilizers. So, the objectives of this study were to compare selected properties of soils...