Solubility Characteristics and Slow-Release Mechanism of Nitrogen from Organic-Inorganic Compound Coated Urea

Table 1

Simulated first-order kinetic equation parameters for the nitrogen accumulated leaching rate in the BF and BG coated, slow-release urea.

Culture temperature			(d)				Se
	BF	BG	BF	BG	BF	BG	BF	BG
10°C	0.033	0.019	0	2.73	0.9918^**	0.9925^**	0.125	0.033
20°C	0.053	0.026	0	2.68	0.9816^**	0.9906^**	0.130	0.073
30°C	0.062	0.046	0	0.21	0.9937^**	0.9933^**	0.123	0.085

Data are very significant.