1. A method of enhancing soybean plant growth, comprising treating soybean seeds or a soybean plant that sprouts from seeds, with an effective amount of at least one CW, where after harvesting the plant is characterized by at least one of the following: increased plant yields, measured in units of bushel / acre, increased number of roots, increased root length, increased root mass, increased root volume, and increased foliage compared to untreated soy plants or soy plants grown from y to earn soi.2 seeds. The method according to claim 1, wherein at least one CI is described by the formula: wherein R and R each independently mean hydrogen or methyl； R is hydrogen, acetyl or carbamoyl； R is hydrogen, acetyl or carbamoyl； R is hydrogen, acetyl or carbamoyl； R is hydrogen, arabinosyl, fucosyl, acetyl, sulfate, 3-0-S-2-0-MeFuc, 2-0-MeFuc and 4-0-AcFuc； R is hydrogen, mannosyl or glycerol； R is hydrogen, methyl or —CHOH； R is hydrogen, arabinosyl or fucosyl； R is hydrogen, acetyl or fucosyl； and n is 0, 1, 2, or 3.3. The method of claim 1, wherein at least one XO is shown in FIG. 1a.4. The method of claim 1, wherein at least one XO is shown in FIG. 2a.5. The method according to claim 1, in which at least one HO is described by the formula:, in which n = 1 or 2； R is hydrogen or methyl； and R is hydrogen or SOH. 6. The method of claim 1, wherein at least one XO is shown in FIG. 3a.7. The method of claim 1, wherein at least one XO is shown in FIG. 4a.8. A method according to claim 1, wherein at least one XO is synthetic. The method of claim 1, wherein the at least one XO is recombinant.1. Способ усиления роста растений сои, включающий обработку семян сои или растения сои, которое прорастает из семян, эффективным количеством по меньшей мере одного ХО, где после уборки растение характеризуется по меньшей мере одним из следующих: увеличенной урожайностью растений, измеренной в единицах бушель/акр, увеличенным количеством корней, увеличенной длиной корней, увеличенной массой ко
