A fertilizer composition [composition (C), herein after] wherein the composition (C) comprises, relative to the total weight of composition (C): a) from 0.5 to 32.0 weight percentage [wt. %, herein after] of at least one sulphur (S) water-soluble fertilizing nutrient chosen from a sulphur compound according to general formula (I S ) [compound (S), herein after] wherein - each of R is selected from H or an inorganic cation; - n is an integer in the range from 1, 2, or 3; - each of R 1 and R 2 , equal to or different from each other and at each occurrence, is independently selected from the group consisting of hydrogen, C 1-4 alkyl, OR 4 , N(R 4 ) 2 , Si(R 4 ) 3 , C(O)OR 4 , and CON(R 4 ) 2 , and wherein each of R 4 , equal to or different from each other and at each occurrence, is independently selected from the group consisting of hydrogen, C 1-4 alkyl, hydroxyl protecting group, and amine protecting group; - each of R 3 is independently selected from the group consisting of hydrogen, C 1-4 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, OR 5 , N(R 5 ) 2 , Si(R 5 ) 3 , C(O)OR 5 , and CON(R 5 ) 2 , and wherein each of R 5 , equal to or different from each other and at each occurrence, is independently selected from the group consisting of hydrogen, C 1-4 alkyl, hydroxyl protecting group, and amine protecting group; b) from 1.0 to 20.0 wt. % of water; and wherein the composition (C) comprises at least one phosphorus (P) and calcium (Ca) water-soluble fertilizing nutrient and wherein the composition (C), relative to the total weight of composition (C), has a total calcium (Ca) content from 0.5 to 32.0 wt. %, as expressed in wt. % of CaO, and a total phosphorus (P) content from 3.0 to 65.0 wt. %, as expressed in wt. % of P 2 O 5 . a) from 0.5 to 32.0 weight percentage [wt. %, herein after] of at least one sulphur (S) water-soluble fertilizing nutrient chosen from a sulphur compound according to general formula (I S ) [compound (S), herein after] wherein - each of R is selected from H or an inorganic cation; - n is an integer in the range from 1, 2, or 3; - each of R 1 and R 2 , equal to or different from each other and at each occurrence, is independently selected from the group consisting of hydrogen, C 1-4 alkyl, OR 4 , N(R 4 ) 2 , Si(R 4 ) 3 , C(O)OR 4 , and CON(R 4 ) 2 , and wherein each of R 4 , equal to or different from each other and at each occurrence, is independently selected from the group consisting of hydrogen, C 1-4 alkyl, hydroxyl protecting group, and amine protecting group; - each of R 3 is independently selected from the group consisting of hydrogen, C 1-4 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, OR 5 , N(R 5 ) 2 , Si(R 5 ) 3 , C(O)OR 5 , and CON(R 5 ) 2 , and wherein each of R 5 , equal to or different from each other and at each occurrence, is independently selected from the group consisting of hydrogen, C 1-4 alkyl, hydroxyl protecting group, and amine protecting group; - each of R is selected from H or an inorganic cation; - n is an integer in the range from 1, 2, or 3; - each of R 1 and R 2 , equal to or different from each other and at each occurrence, is independently selected from the group consisting of hydrogen, C 1-4 alkyl, OR 4 , N(R 4 ) 2 , Si(R 4 ) 3 , C(O)OR 4 , and CON(R 4 ) 2 , and wherein each of R 4 , equal to or different from each other and at each occurrence, is independently selected from the group consisting of hydrogen, C 1-4 alkyl, hydroxyl protecting group, and amine protecting group; - each of R 3 is independently selected from the group consisting of hydrogen, C 1-4 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, OR 5 , N(R 5 ) 2 , Si(R 5 ) 3 , C(O)OR 5 , and CON(R 5 ) 2 , and wherein each of R 5 , equal to or different from each other and at each occurrence, is independently selected from the group consisting of hydrogen, C 1-4 alkyl, hydroxyl protecting group, and amine protecting group; b) from 1.0 to 20.0 wt. % of water; and <EOS>