Fig 1.
Synthesis, preparation and testing scheme for variable thickness of the SRF in soil conditions.
Fig 2.
SEM images of non-biodegraded (A, B & C) and biodegraded (D, E & F) SRF films.
Fig 3.
IR spectroscopy of non-biodegraded (A) and biodegraded (B) films after 30 days.
Fig 4.
A) Biodegradation B) Methanogenic activity (CH4%) in response to modifying the thickness of SRF films.
Fig 5.
Thickness of SRF films’ effect on the urea release over time.
Table 1.
Korsmyer Peppas model parameters for different thicknessess of SRF films for slow release of the urea.
Fig 6.
Soil microbial biomass in soil amended with SRF of various thicknessess.
Fig 7.
A) Total carbon of the soil; B) Total nitrogen of the soil.
Fig 8.
Effect of SRF films thickness on soil properties.
A) pH [-log H+] and B) redox potential (Eh) changes over time after adding.
Fig 9.
Effect of the SRF thickness on the plant growth performance.
A) Photographic visuals of Wheat plant; B) plant length; C) Leaf Area Index; D) Average number of grains per plant.