Special film-coated controlled release fertilizer for peanut in high yield field and preparation process thereof

US10723669B2 · kind B2 · utility

Assignee

• BIOTECHNOLOGY RESEARCH CENTER, SHANDONG ACADEMY OF AGRICULTURAL SCIENCES · CN

Inventors

• Shubo Wan · Shandong, CN
• Jialei Zhang · Shandong, CN
• Feng Guo · 安丰镇, CN
• Xinguo Li · Beijing, CN
• Sha Yang · Shandong, CN
• Zheng Zhang · Cambridge, US
• Yun Geng · Shandong, CN
• Haijun Zhao · Beijing, CN
• Jingjing Meng · Nanjing, CN

Key dates

• Filing date: Jul 20, 2018
• Grant date: Jul 28, 2020
• Expiry date: Jul 20, 2038

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02W30/40
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to the field of controlled release fertilizer technology, and in particular to a special film-coated controlled release fertilizer for peanut in a high yield field, which comprises an outer layer, an intermediate layer and an inner layer, integrates the ingredients for disease and pest control, chemical control, growth promotion and premature senescence prevention, controls the release period, improves the fertilization efficiency without the need of top application throughout the growth period, saves labor cost, and has positive effects on improving peanut yield and quality.