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Table 5 Plant P utilization efficiency index defined by [(dry matter production) × 10,000]/(shoot P concentration)

From: Improving the short-term efficiency of rock phosphate-based fertilizers in pastures by using edaphic biostimulants

Treatments RP SSP RP/Trp RP/(HA–Trp)
Added P (mg kg−1 soil) 10 30 50 10 30 50 10 30 50 10 30 50
Harvest
 First 0.35 0.51 0.45 0.29 0.28 0.37 0.39 0.68 0.56 0.44 0.54 0.47
 Second 2.60 2.50 1.80b 2.65 3.06 2.37c 2.29 2.29 1.26a 2.35 2.53 2.04c
 Third 3.21 2.56 1.85a 3.14 2.86 2.76b 3.21 2.60 1.56a 3.55 2.89 2.39b
  1. Data followed by the same lowercase letter in each row are not statistically different from each other (Fisher’s test, P < 0.05)