A liquid formulation for use in treatment of roots of seedlings or for soil application or for foliar application, said liquid formulation comprising: (i) a crop specific customized fertilizer and/or a normal fertilizer; (ii) an agropolymer obtained according to the method defined in the description, below 20 micron size, said agropolymer comprising a carbohydrate and silica matrix, obtained from plant parts of an agricultural crop selected from the group consisting of Oryza sativa, Panicum miliaceum, Setaria italica, Cajanus cajan, Vigna mungo, Vigna radiata, Triticum sp., Ricinus communis, Helianthus annus, Gossypium sp., and Arachis sp, wherein said matrix is substantially devoid of proteins, tannins, and polyphenols, wherein said matrix further comprises metal-binding reactive sites; (iii) one or more functional transition metal silicates with or without nanostructure, said functional transition metal silicates being selected from the group comprising: a. Cupric silicates having silica to copper ratio in the range of 1:0.34 to 1:5.15; b. Zinc silicates having silica to zinc ratio in the range of 1:2 to 1:12; c. Silver silicates having silica to silver ratio in the range of 1:15 to 1:19.5; d. Manganese silicates having silica to manganese ratio in the range of 1:1 to 1:1.9; and e. Zirconium silicates having silica to zirconium ratio in the range of 1:0.77 to 1:2.9; and (iv) one or more of binders, non-toxic adjuvant, fillers and stickers; and a desired amount of water, wherein the ratio between (i), (ii), (iii) and (iv) is in the range of 100:5:1:0.05 to 100:20:20:10. (i) a crop specific customized fertilizer and/or a normal fertilizer; (ii) an agropolymer obtained according to the method defined in the description, below 20 micron size, said agropolymer comprising a carbohydrate and silica matrix, obtained from plant parts of an agricultural crop selected from the group consisting of Oryza sativa, Panicum miliaceum, Setaria italica, Cajanus cajan, Vigna mungo, Vigna radiata, Triticum sp., Ricinus communis, Helianthus annus, Gossypium sp., and Arachis sp, wherein said matrix is substantially devoid of proteins, tannins, and polyphenols, wherein said matrix further comprises metal-binding reactive sites; (iii) one or more functional transition metal silicates with or without nanostructure, said functional transition metal silicates being selected from the group comprising: a. Cupric silicates having silica to copper ratio in the range of 1:0.34 to 1:5.15; b. Zinc silicates having silica to zinc ratio in the range of 1:2 to 1:12; c. Silver silicates having silica to silver ratio in the range of 1:15 to 1:19.5; d. Manganese silicates having silica to manganese ratio in the range of 1:1 to 1:1.9; and e. Zirconium silicates having silica to zirconium ratio in the range of 1:0.77 to 1:2.9; and a. Cupric silicates having silica to copper ratio in the range of 1:0.34 to 1:5.15; b. Zinc silicates having silica to zinc ratio in the range of 1:2 to 1:12; c. Silver silicates having silica to silver ratio in the range of 1:15 to 1:19.5; d. Manganese silicates having silica to manganese ratio in the range of 1:1 to 1:1.9; and e. Zirconium silicates having silica to zirconium ratio in the range of 1:0.77 to 1:2.9; and (iv) one or more of binders, non-toxic adjuvant, fillers and stickers; and a desired amount of water,