TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The terpene comprises monoterpenes, sesquiterpenes, diterpenes, triterpene, and/or tetraterpenes, preferably from pinene, nerol, citral, camphor, menthol, limonene, nerolidol, famesol, phytol, geraniol, farnesol, Vitamin A1, squalene, tocopherol, carotene (provitamin A1), careen, linalool, and/or turpentine. The surfactant having a hydrophobic lipophilic balance of 7-25 (preferably 11-16) is ethoxylated alcohols, ethoxylated carbohydrates, ethoxylated vegetable oils, polyethyleneglycols (PEG), polypropylene glycols (PPG), monoesters and diesters of PEG and PPG, ethoxylated amines, fatty acids, ethoxylated fatty acids, fatty amides, and/or fatty diethanolamides, preferably from oleyl alcohol condensed with 10 moles of ethylene oxide (EO), Tween 20(RTM: polyoxyethylene (20) sorbitan monolaurate), stearyl alcohol condensed with 20 moles of EO, castor oil condensed with 80 moles of EO, Burco TME-S(RTM: nonionic thioether surfactant ), coconut diethanolamide, Ethfac 161(RTM: aliphatic phosphate ester emulsifier), cocoamine condensed with 2 moles of EO, cocoamine condensed with 5 moles of EO, Dowanol DB(RTM: diethylene glycol monobutyl ether), Demulse DLN 532 CE(RTM: not defined), Tween 80(RTM: polyoxyethylene (20) sorbitan monooleate), Demulse DLN 622 EG(RTM: not defined), Span 20(RTM: sorbitan monolaurate), Diacid 1550(RTM: 21C dicarboxylic acid material), decyl alcohol condensed with 4 moles of EO, dipropyleneglycol method ester, sodium lauryl sulfate, sodium dodecyl sulfate, sodium xylenesulfonate, and/or Tergitol NP6(RTM: nonionic surfactant). The organic solvent is 8-40C linear or branched alkanes (preferably), mono or polyunsaturated olefins, 10-20C linear alpha olefins, polyisobutylenes, paraffin oil, mineral oil, mineral wax, fatty esters, 1-4C lower alkyl esters of fatty acids, methyl esters of vegetable oil, methyl soyate, triglycerides from animal and vegetable sources, 7-30C hydrocarbons, volatile organic liquids with atmospheric pressure b. pt. of 50-250 degrees C, and/or lower alcohols. The organic solvent comprises 10-24C linear alpha olefins from octene, nonene, decene, undecene, dodecene, tridecene, tetradecene, hexadecene, heptadecene, octadecene, and/or nonadecene; or alcohol from methanol, ethanol, propanol, isopropanol, butanol, or isobutanol. The composition in the form of solid, solution or an emulsion (preferably oil-in-water emulsion) further comprises fertilizers, herbicides, insecticides, preservatives, viscosity modifiers, solvents, wetting agents, tracing agents, dyes, and/or antifoams. The terpene has a concentration of less than 20 ppm by weight. Preferred Composition: The composition is an emulsion comprising (wt.%) water terpene (0.1-80, preferably 1-10), organic solvent (0.1-80, preferably 1-10), and water (balance) and optionally a surfactant (0.5-15, preferably 3-10). ACTIVITY - Plant growth stimulator. A mixture (wt.%) of d-limonene (3), hexadecane (4), castor oil condensed with 30 moles of ethylene oxide (5.7), polyethylene glycol 400 dioleate (2.7), and water (balance) was prepared for grass growth evaluation. Scots Pure Premium High Performance Grass Seed Mixture (2.9 g) were planted on Scotts Enriched Lawn soil (80 g) and covered with Scotts Enriched Lawn soil (20 g) to a depth of 1.5 cm. The test specimens were lighted at 40 W or 1600 Lumens for 14 hours/day, and dose with the prepared mixture at day 0 (75 ml), and at day 7 and 15 (50 ppm, 0.0451 g/ft2). Results showed a grass growth of 9 and 15 cm for day 7 and 14, respectively. After 27 days, the grass root was evaluated. Results showed the grass treated with the prepared moisture were thicker and denser as compared to the untreated grass.    MECHANISM OF ACTION - None given.    ADMINISTRATION - Dosage is 0.01-25 (preferably 0.5-10) mg d-limonene/kg growth medium, and 0.01-25 (preferably 0.5-10) mg organic solvent/kg growth medium and/or 0.01-25 (preferably 0.5-10) mg castor oil condensed with 30 moles EO/kg growth medium that is added as a composition to the growth medium before, when or after the plant is planted (claimed) by any suitable route.