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Chemical and Biological Technologies in Agriculture

Table 1 Treatments of the current experiment

From: The synergistic effect of biochar and poly(2-ethyl-2-oxazoline)/poly(2-hydroxyethylmethacarylate)/chitosan) hydrogels on saline soil properties and carrot productivity

Sample

Ratio

After irradiation

Hydrogel (%) + Biochar (%)

Biochar

(0.5)

BC0.5

(1)

BC1

Poly(2-ethyl-2-oxazoline)-2 hydroxyethyl methacrylate- Chitosan1%

(0.05 + 0)

(PEtOx-HEMA-CS1)0.05

(0.1% + 0)

(PEtOx-HEMA-CS1)0.1

Poly(2-ethyl-2-oxazoline)-2 hydroxyethyl methacrylate-Chitosan5%

(0.05 + 0)

(PEtOx-HEMA-CS5)0.05

(0.1 + 0)

(PEtOx-HEMA-CS5)0.1

Poly(2-ethyl-2-oxazoline)-2 hydroxyethyl methacrylate-Chitosan10%

(0.05 + 0)

(PEtOx-HEMA-CS10)0.05

(0.1 + 0)

(PEtOx-HEMA-CS10)0.1

Poly(2-ethyl-2-oxazoline)-2 hydroxyethyl methacrylate-Chitosan1% + Biochar

(0.05 + 0.5)

(PEtOx-HEMA-CS1)0.5-BC0.5

(0.1 + 0.5)

(PEtOx-HEMA-CS1)0.1-BC0.5

(0.05 + 1)

(PEtOx-HEMA-CS1)0.05-BC1

(0.1 + 1)

(PEtOx-HEMA-CS1)0.1-BC1

Poly(2-ethyl-2-oxazoline)-2 hydroxyethyl methacrylate-Chitosan5% + Biochar

(0.05 + 0.5)

(PEtOx-HEMA-CS5)0.5-BC0.5

(0.1 + 0.5)

(PEtOx-HEMA-CS5)0.1-BC0.5

(0.05 + 1)

(PEtOx-HEMA-CS5)0.05-BC1

(0.1 + 1)

(PEtOx-HEMA-CS5)0.1-BC1

Poly(2-ethyl-2-oxazoline)-2 hydroxyethyl methacrylate-Chitosan10% + Biochar

(0.05 + 0.5)

(PEtOx-HEMA-CS10)0.05-BC0.5

(0.1 + 0.5)

(PEtOx-HEMA-CS10)0.1-BC0.5

(0.05 + 1)

(PEtOx-HEMA-CS10)0.05-BC1

(0.1 + 1)

(PEtOx-HEMA-CS10)0.1-BC1

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