Effects of fertilizer regime, sample time and the interaction between them on soil physicochemical characteristics.
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Values are means ± standard deviation (n = 6 or n = 18).
NS: not significant (P>0.05).
Fertilizer regimes: CK: control without fertilizers; NPK: chemical fertilizers; NPKM: 50% NPK fertilizer plus 400 kg/ha manure; NPKS: 100% NPK fertilizer plus crop straw; NPKMS: 50% NPK fertilizer plus 400 kg/ha manure and crop straw; NPKMOI: 30% NPK fertilizer plus 240 kg/ha manure organic-inorganic compound fertilizer.
Means followed by the same letter for a given factor are not significantly different (P<0.05; Turkey's HSD test where there are more than two treatment levels).
创建时间:
2014-01-20



