License No：CN Agri-fert Approval No. 008 Manufd Standard： Q/PSB01-2000
Active Content(%)：Citric acid and amino acids 30% Potassium(K) as phosphate 2.3%
Zinc(Zn) as sulfate 0.3% Dissolving agent 30%
Boron(B) as borate 1.0% (Added water-- to make 100%)
Nitrogen(N) as urea 1.1% Maximum biuret 0.05%
Phosphorus(P)-water soluble 7.2% PH Value 2-3
Product Form：liquid

●Features & Efficacy:
“PSB Wide Spectrum” was the first among the series of foliar fertilizers developed by Guangxi Beihai Penshibao Co Ltd. For more than ten years of application and practice, it has been highly accredited by China Plant Protection General Station and the China Agro-tech Promotion Center because of its stable and remarkable performance in the improvement in both yield and quality for such crops as cereals, oils, fibers, fruits, vegetables, tea and tobacco etc. It shows the same results for farmers in other countries too. It has been proven to be applicable for various crops and plants in different conditions of soil, weather and methods of cultivation. “PSB Wide Spectrum” is odor-free and toxic-free in brown-darkish liquid form, being pro-ecology and human friendly, resulting in promoting the sustainable development of green agriculture. It is featured by simple use, low cost and high efficacy.
●Method and Time of Using:
1. Each 5ml/vial diluted in water of 50 liters for foliar spraying on crops. Spray until the foliar is evenly moistened. The stages of using referred to the table overleaf.
2. For aerial spraying, each 5ml/vial diluted in water of 5 liters.
3. It is recommended to apply to crops in fine weathers at 3 pm to achieve best efficacy.
● Notice:
1. Normal or routine treatment as watering and fertilizing cannot be substituted by applying foliar fertilizer only and must be kept as traditionally doing.
2. Do not mix up and apply with alkaline chemicals. Non-alkalis are allowed to mix with after PSB fertilizer is properly diluted.
3. Do not apply to crops when the sunlight is too strong. More dilution ratio is advised at hot temperatures. Re-spraying is necessary if it rains heavily within 6 hours after initial spraying of foliar fertilizer.
4. It is not suggested to apply to crops at the pollination stage. Please follow the usage instruction to avoid undesired loses and damages
5. Guaranteed period for 4 yrs. Storage within two years without using may produce some sediment, which shall be well-shaken before applying, same results as fresh liquid.