N₂O Emissions from an Apple Orchard in the Coastal Area of Bohai Bay, China

Table 1

Details of fertilization events in the apple orchard.

Fertilizers^a	Total amount	Date of fertilizations
	(kg ha^−1)	2010-4-2	2010-6-24	2010-8-16
N	800	400	120	280
P	175	175	0	0
K	664	332	0	332

aSynthetic fertilizers of N, P, and K were urea, calcium biphosphate, and potassium sulfate, respectively.