GB/T 24712-2009 in English

1. Background and significance of standard formulation

As a Chinese geographical indication protected product, the quality and characteristics of Baoqing Dabaiban pumpkin seeds need to be strictly defined through standardization. The formulation of this standard is based on the requirements of the "Regulations on the Protection of Geographical Indication Products" and GB/T 17924, ensuring the uniqueness and consistency of the product.

2. Biological conditions and planting technology requirements

The biological characteristics of Baoqing Dabaiban pumpkin seeds have strict requirements on the growth environment:

• Climate conditions: average annual precipitation 550mm~650mm, average annual temperature 2.4℃~4.1℃, annual sunshine time ~2450h~2550h.
• Soil requirements: light clay or sandy loam, organic matter content ≥3%, pH value 6.2~6.7.
• Planting technology: ridge cultivation, plant spacing of 45cm~50cm×130cm, 15,000~18,000 seedlings per hectare.

3. Quality requirements and testing methods

According to the standard, the quality requirements of Baoqing large white board pumpkin seeds include:

4. Implementation suggestions and technical points

To ensure the quality of Baoqing Dabaiban pumpkin seeds, it is recommended to take the following measures:

• Site selection and crop rotation: Choose light clay or sandy loam, avoid Solanaceae and crops of the same family as the previous crop, and implement crop rotation for more than 2 years.
• Fertilization technology: 20t~30t of decomposed farmyard manure and 80kg~120kg of nitrogen, phosphorus and potassium compound fertilizer are applied per hectare as base fertilizer; diammonium phosphate and potassium sulfate are used as topdressing.
• Pest and disease control: Highly toxic pesticides are prohibited, and agricultural control and biological control are preferred.