Skip to main content
. 2016 Jul 4;6:28591. doi: 10.1038/srep28591

Figure 5. Loading plot generated from principal component analysis (PCA) for each environmental factor.

Figure 5

XN(mg/kg), rapidly available nitrogen; XP(mg/kg), rapidly available phosphorus; XK(mg/kg), rapidly available potassium; XOM(%), organic matter; XTN(%), total nitrogen; XTP(%), total phosphorus; XTK(%), total potassium; XpH, pH; XAMT(°C), annual mean temperature; X1(°C), january average temperature; X7(°C), july average temperature; XAAT(°C), annual accumulated temperature(≥10 °C); XAHT(°C), annual highest temperature; XALT(°C), annual lowest temperature; XAAP(mm), annual average precipitation; XASD(h), annual sunshine duration; XFFP(d), frost free period; XALTI(m), altitude.