Sentences with phrase «soil fertility experiments»
In the appendixes at the end, we have provided (1) a list of Lao - IRRI publications relating to rainfed lowland rice, which are available from IRRI, and (2) a list of soil fertility experiments that have been conducted from 1991 to 2000.
http://irri.org/ Not exact matches
In her experiment, Bybee - Finley planted four cover crops, which are plants that add fertility to the soil and protect it from erosion.