TECHNOLOGY FOCUS - AGRICULTURE - Preferred Composition: The composition may also include yeast cells (Id) that convert complex carbon compounds to simple carbohydrates, yeast cells (Ie) that overproduce growth factors and/or yeast cells (If) that overproduce adenosine triphosphate. The composition may further include an organic and/or inorganic substrate. The yeast cells preferably belong to the genus Saccharomyces, Schizosaccharomyces, Sporobolomyces, Torulopsis, Trichosporon, Wickerhamia, Ashbya, Blastomyces, Candida, Citeromyces, Crebrothecium, Cryptococcus, Debaryomyces, Endomycopsis, Geotrichum, Hansenula, Kloeckera, Lipomyces, Pichia, Rhodosporidium or Rhodotorula. The yeast cells are dried. The fertilizer preferably contains 0.1 to 0.2% each of type (Ia), type (Ib), type (Ic) and type (Id) cells, 1% of type (Ie) cells, 3% of type (If) cells, 65% of organic substrate, 19% of inorganic substrate and 14% starch.Preferred Method: (Ia) are produced by culturing in the presence of EM frequency of 865.522 MHz and amplitude 1250/4656 mV for 24 hours. (Ib) are produced by culturing in the presence of EM frequency of 366.243 MHz and amplitude 1230/4570 mV for 24 hours. (Ic) are produced by culturing in the presence of EM frequency of 255.425 MHz and amplitude 1340/4850 mV for 24 hours. (Id) are produced by culturing in the presence of EM frequency of 1092.387 MHz and amplitude 1530/4720 mV for 24 hours. (Ie) are produced by culturing in the presence of EM frequency of 1387.556 MHz and amplitude 1620/4830 mV for 24 hours. (If) are produced by culturing in the presence of an EM field of frequency 1694.365 MHz and amplitude of 1470/4780 mV for 24 hours. The methods for (Ie) and (If) further comprise inoculating a fermentation medium comprising a starch solution at a concentration of 400 g/l with the cells and allowing fermentation at 20-30 degrees C until at least 90% fermentation substrate has been fermented. The composition is produced by further drying the fertilizer at no more than 65 or 70 degrees C so that the cells do not become dormant and the water content is less than 5%. The composition is cooled and formed into granules. The method further comprises adding a sample of soil to the mixture of yeast cells. SPECIFIC CELLS - The yeast cells are of the yeast strain Saccharomyces cerevisiae Hansen deposited at China General Microbiological Culture Collection Center having an accession number selected from AS2.501, AS2.535, AS2.441, AS2.406, AS2.382 and AS2.16.    EXAMPLE - Saccharomyces cerevisiae strains were cultured in the presence of an appropriate electromagnetic field. Coal mine waste and phosphate rock were used as organic and inorganic materials. A substrate mixture was prepared from powdered coal mine waste (65%), powdered phosphate rock (20%) and starch (15%). A yeast mixture was prepared from nitrogen-fixing yeast (2 kg), phosphorus-decomposing yeast (2 kg), potassium-decomposing yeast (2 kg), carbon-decomposing yeast (2 kg), growth factor producing yeast (25 l) and adenosine triphosphate (ATP) producing yeast (75 l). A mixture of the substrate (952 kg) and yeast mixture (100 l) was granulated and dried to give the composition.