共 50 条
[21]
Strategies for mitigation of nitrogen environmental impact from swine production
[J].
REVISTA BRASILEIRA DE ZOOTECNIA-BRAZILIAN JOURNAL OF ANIMAL SCIENCE,
2010, 39
:317-325
[25]
Effects of nitrogen and phosphorus fertilization on the growth and nutrition of hybrid poplars on Vancouver Island
[J].
New Forests,
2005, 29
:89-104