Scientists Lead the Way in Sustainable Manure Management for Black Soil Conservation

Release Time:2024-02-26 Big Small

(Shenyang, China) Researchers are paving the way for a more sustainable future of agriculture with groundbreaking advancements in livestock manure utilization. The Institute of Applied Ecology (IAE) of the Chinese Academy of Sciences is tackling the crucial challenge of black soil conservation in Northeastern China through innovative methods that prioritize agricultural practices and circular economy principles.

Black Soil Conservation: Black soil, a fertile treasure of nutrients, requires constant care. The IAE's approach focuses on two key areas:

Conservative Tillage: Techniques like straw cover are implemented to shield the soil from erosion and harsh weather. Tailored strategies: Solutions are specifically designed for different stakeholders, from large enterprises to small-farmer needs.

Traditional manure management often led to inefficient and even harmful disposal of liquid waste. Dr. Zhang Xudong's "total solid-liquid utilization" approach changes the game. It combines solid and liquid manure in an integrated fermentation process, maximizing resource recovery and minimizing environmental impact.

Putting Theory into Practice: At the Changtu Modern Agricultural Experimental Station, Dr. Zhang Yulan and her team successfully demonstrated the effectiveness of the new system. By combining various techniques like microbial composting and high-temperature fermentation, they achieved over 2 million cubic meters of manure utilization in Changtu County.

Precision, Not Waste: Transportation costs and inefficient application can hinder manure's value. The team's "Compost Precision Strip Applicator" addresses these concerns with minimal nutrient loss. This innovative machinery distributes manure directly into the soil, creating optimal conditions for seedlings while reducing fertilizer costs.

The project's core achievements include:

Total Solid-Liquid Anaerobic Fermentation: Maximizes manure utilization and environmental protection. Integrated Manure-Straw Return: Enhances soil fertility and carbon storage. Compost Precision Strip Applicator: Revolutionizes efficient manure application.

Recognition and Future Promise: This project has received official recognition and funding from the Chinese Academy of Sciences. As we look ahead, these innovations possess enormous potential for sustainable agriculture, soil health, and a more circular economy.