Table 2 Correlation Matrix P iit cost * ill eech iit -0.218 -- -- -- -- cost * -0.289 -0.120 -- -- -- y 0.092 0.161 -0.660 -- -- hi -0.355 -0.320 0.348 -0.017 --
exch 0.075 -0.071 -0.003 0.110 -0.012 Table 3 Estimation Results (Least Square Dummy Variable Estimation based on Two-way Fixed Effect Model; Dependent Variable: p; Sample Size: 316 no missing observations) (1) (2) (3)
exch 2.014 *** 1.831 *** 1.835 *** (0.180) (0.172) (0.178) cost * -- 0.992 *** 1.000 *** (0.157) (0.158) hi -- -- -- hi *
exch -- -- 0.006 (0.034) IIT *
exch -- -- -- D1 *
exch -- -- 0.028 (0.017) D2 *
exch -- -- 0.022 (0.020) D3 *
exch -- -- 0.057 * (0.031) [R.sup.2]-adj.
EXCH: Effective exchange rate, SKr per foreign currency
the sum of initial soln K,
exch. K and fertiliser K), and was calculated as:
Cobalt in the extracts of
EXCH and MnOX fractions, in EDTA extracts, and in total and RES fraction digests was determined directly using graphite furnace atomic absorption spectrophotometry (GFAAS).
t-value 0-7.5 cm soils pH([H.sub.2]O) 5.77 0.067 0.083 -0.74 pH(Ca[Cl.sub.2]) 5.04 0.083 0.090 1.28 C (%) 3.08 0.331 0.218 0.75 N (%) 0.219 0.336 0.016 0.81 P retention (%) 21.2 0.553 2.49 -3.12(*)
Exch. Ca (cmol(+)/kg) 4.87 0.478 0.496 1.54
Exch.