1. Effect of Phosphogypsum Amendment on Chemical Properties of Sodic Soils at Different Incubation Periods
- Author
-
Haile Hasana, Sheleme Beyene, Alemayehu Kifilu, and Selamyihun Kidanu
- Subjects
Agriculture (General) ,S1-972 ,Environmental sciences ,GE1-350 - Abstract
The application of phosphogypsum (PG) on sodic soils provides nutrients to the soil, reduces the toxic effect of Na+, and improves soil properties. Laboratory experiments were performed to evaluate the effects of PG on the chemical properties of sodic soils. The treatments were arranged in a completely randomized design with five replications. The treatments included 0% GR (control), 50% GR (28.18 g·kg−1), 100% GR (56.37 g·kg−1), 150% GR (84.50 g·kg−1), and 200% GR (112.74 g·kg−1) rates that were thoroughly mixed with soil under incubation, whereas PG was mixed with topsoil before leaching at the same application rates under the leaching experiment. Soil and leachate samples from each pot were collected in 7, 14, 21, 28, and 35 days and subjected to spectrometric analysis. Results indicated that there was a highly significant (p
- Published
- 2022
- Full Text
- View/download PDF