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[Silkworm excrement organic fertilizer: its nutrient properties and application effect]
Xiao-ping Chen1, Ya-jun Xie, Guang-en Luo
1Ministry of Education Key Laboratory of Environmental Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310029, China. chenxp_1112@126.com
Ying Yong Sheng Tai Xue Bao = the Journal of Applied Ecology
|October 20, 2011
Summary
Silkworm excrement organic fertilizer (SEOF) enhances crop yield and soil health. This eco-friendly fertilizer improves nutrient content and soil properties without inhibiting seed germination.
Area of Science:
- Agricultural Science
- Environmental Science
- Soil Science
Context:
- Silkworm excrement presents a disposal challenge.
- Sustainable fertilizer alternatives are needed to improve soil health and crop productivity.
Purpose:
- To develop and evaluate silkworm excrement organic fertilizer (SEOF) through controlled fermentation.
- To assess the impact of SEOF on crop yield, nutrient content, and soil properties.
Summary:
- Controlled fermentation significantly increased N, P, and K content in silkworm excrement, creating SEOF.
- Microbial inoculants reduced fermentation time and nutrient loss.
- SEOF application improved cabbage and tomato seed germination (>80%), increased Chinese cabbage yield, enhanced its nutrient and Vc content, reduced plant nitrate levels, and improved soil pH, available nutrients, organic matter, and enzyme activities.
Impact:
- SEOF offers a sustainable and effective alternative to conventional fertilizers and composted goat feces.
- This study demonstrates the potential of utilizing waste materials for valuable agricultural inputs.
- The findings contribute to circular economy principles in agriculture and waste management.
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