Top fruit not colored, was transparent. Ripening field during poor light conditions, humidity, temperature and low ambient conditions, too much nitrogen fertilizer will cause this phenomenon. Strawberry December to next February most likely to occur. Prevention Methods: close planting, removal of old leaves and Thinning often axillary buds, good lighting conditions; the result during the daytime temperature is maintained at 23-25 ??℃, the night above 5 ℃; control of soil moisture and greenhouse air humidity is not too high, nitrogen fertilizer not excessive. Spraying US strawberry fruit enlargement essence specialty fertilizer manufacturer, has a significant effect! Usage: 30ml bottle of anti-watered 15-25 kg strawberry soft crack, uniform spray both sides of the blade. Flower early, spend the late stage of the spray once swelling fruit. Kim Czech and the US fruit enlargement Essence (strawberry only) This product contains strawberry swim easily absorbed efficiently ionized copper, zinc, manganese, boron and other trace elements, fruit enlargement factor, colorants, wrinkle crack enzymes, sweeteners factor, chlorophyll synthesis, etc. magical substances. This product is based on scientific research personnel strawberry roots, strong roots, flowers, fruit, enlargement, elegance and substance required for each stage of the business characteristics of strawberry special modifiers, nutritionally well-developed, multi-faceted and adjust special liquid, has accelerated cell division, enrich and accelerate organ built-protein units into promoting the rapid enlargement of fruit, golden fruit, sweet taste, improve plant sugars, protein, vitamins and other content, increased hardness, enriched by sugar, fruit landscaping, resistance to transport, improving crop quality You can also improve plant resistance. FDA toxic pollution. Improve fruit quality, increase production by more than 30%. Strawberry specialty fertilizer manufacturer | San Gil Chemical (certified) | strawberries provided by Zhengzhou Chemical Co., San Gil. San Gil Zhengzhou Chemical Co. (www.sjehg.com) is Zhengzhou, plant growth regulators leaders, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In San Gil Chemical leadership with the staff warmly welcome all inquiries negotiations to create a better future for San Gil chemicals.