NOVELTY - Compound fertilizer suspension composition comprises 0.8-7.2 pts. wt. nitrogen fertilizer, 0.6-1.1 pts. wt. boron fertilizer, 0.5-0.8 pts. wt. ethylenediaminetetraacetic acid chelated zinc, 0.5-0.8 pts. wt. ethylenediaminetetraacetic acid chelated manganese, 2.0-5.0 pts. wt. humic acid powder, 7.0-14.0 pts. wt. calcium fertilizer, 8.0-16.0 pts. wt. phosphate fertilizer, 5.0-9.0 pts. wt. potassium fertilizer, 14.0-19.0 pts. wt. organic matter, 6.0-9.5 pts. wt. soil conditioning agent, 0.8-2.0 pts. wt. microbial inoculum and 2.0-4.0 pts. wt. wetting agent and dispersant.    USE - Compound fertilizer suspension composition used for spraying, dripping or pouring on saline-alkali land (all claimed).    ADVANTAGE - The compound fertilizer suspension composition ensures improved growing crops root system, yield and quality of crops, and prevents deficiency symptom.    DETAILED DESCRIPTION - Compound fertilizer suspension composition comprises 0.8-7.2 pts. wt. nitrogen fertilizer, 0.6-1.1 pts. wt. boron fertilizer, 0.5-0.8 pts. wt. ethylenediaminetetraacetic acid chelated zinc, 0.5-0.8 pts. wt. ethylenediaminetetraacetic acid chelated manganese, 2.0-5.0 pts. wt. humic acid powder, 7.0-14.0 pts. wt. calcium fertilizer, 8.0-16.0 pts. wt. phosphate fertilizer, 5.0-9.0 pts. wt. potassium fertilizer, 14.0-19.0 pts. wt. organic matter, 6.0-9.5 pts. wt. soil conditioning agent, 0.8-2.0 pts. wt. microbial inoculum, 2.0-4.0 pts. wt. wetting agent and dispersant, 2.0-4.0 pts. wt. emulsifying agent, 1.0-3.0 pts. wt. thickening agent, 1.5-3.0 pts. wt. anti-freezing agent and 23-30 pts. wt. water. An INDEPENDENT CLAIM is included for a method for preparing a water soluble fertilizer composition, which involves:    (A) mixing boron fertilizer, ethylenediaminetetraacetic acid chelated zinc and ethylenediaminetetraacetic acid chelated manganese in water to obtain mother liquid;    (B) adding humic acid powder to the obtained material with stirring to obtain dense black liquid;    (C) adding phosphate fertilizer slowly to the obtain material at 75-85 degrees C to obtain viscous fluid;    (D) adding residual phosphate fertilizer, nitrogen fertilizer and potassium fertilizer slowly at 70-85 degrees C;    (E) crushing calcium fertilizer and soil conditioner to obtain powder;    (F) mixing wetting and dispersing agent, emulsifying agent, thickening agent, anti-freezing agent with one third of water with stirring to obtain slurry;    (G) mixing all the obtained material to obtain a dense slurry, and then grinding and homogenizing the obtained material; and    (H) adjusting pH of the obtained material to obtain the finished product.