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Table 2 Composition of nitrogen regimes and cultivars used in the experiments. Treatment abbreviations were presented for the ease of pronunciation and comparisons

From: Tri-trophic interactions among nitrogen-fertilized tomato cultivars, the tomato fruit worm, Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) and the ectoparasitoid, Habrobracon hebetor (Say) (Hymenoptera: Braconidae)

Nitrogen level

Code

Dose (g pot−1)

Cultivars

Kingston

Riogrand

Earlyurbana

Redston

Superstrain-B

Primoearly

No fertilization

n0

0

Kn0

RGn0

En0

Rn0

SBn0

Pn0

Standard− 30%

n−

2.1

Kn−

RGn−

En−

Rn−

SBn−

Pn−

Standard

ns

3.0

Kns

RGns

Ens

Rns

SBns

Pns

Standard+ 30%

n+

3.9

Kn+

RGn+

En+

Rn+

SBn+

Pn+