Special film-coated controlled release fertilizer for peanut in saline-alkali soil and preparation process thereof

US10723662B2 · kind B2 · utility

Assignee

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

Inventors

• Jialei Zhang · Shandong, CN
• Shubo Wan · Shandong, CN
• Feng Guo · 安丰镇, CN
• Xinguo Li · Beijing, CN
• Yun Geng · Shandong, CN
• Sha Yang · Shandong, CN
• Zheng Zhang · Cambridge, US
• 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 saline-alkali soil, which comprises an outer layer, an intermediate layer and an inner layer, integrates the ingredients for salt resistance improvement, etiolated seedling prevention, disease and pest control, growth promotion and pod plumpness promotion, controls the release period, improves the fertilization efficiency without the need of top application throughout the growth period, and saves labor cost.