In order to found the relationships between physical-mechanical characteristics (such as specific gravity, electrical conductivity and pH) and fertilizer contain (N, P and K) amounts of beef slurries, we measured the physical-mechanical characteristics and fertilizer contain amounts of beef slurries in the laboratory.

Fluxes of greenhouse gases emitted from cow manure in four different temperature treatments(5,15,25 and 35 ℃) were measured using closed-air-chamber-gas-chromatography to determine effect of temperature on the emission.

Emission of greenhouse gases from stored dairy manure and influence factors;

Rapidly estimating fertilizer value of dairy manure based on physical and chemical properties;

Experimental studies on dairy manure treatment by static bed composting and microbe reagent inoculating;

The decomposition of yak dung and its effect on soil nutrition of grassland in northwestern Sichuan,China were investigated.

Study on broiler manure nutrient contents' prediction with non-wet-chemistry methods is carried out.