Recuperação do cafeeiro (Coffea arabica L.) após recepa, submetido a diferentes lâminas de água e parcelamentos da adubação.

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Kelte Resende Arantes

1*

, Manoel Alves de Faria

2

e Fátima Conceição Rezende

2

1_{Instituto de Ciências Agrárias e Ambientais, Universidade Federal de Mato Grosso, Av. Alexandre Ferronato, 1200, 78550-000,}

Sinop, Mato Grosso, Brasil. 2Departamento de Engenharia, Universidade Federal de Lavras, Lavras, Minas Gerais, Brasil.

*Autor para correspondência. E-mail: kelte@ufmt.br

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Altura da planta Diâmetro do ramo ortotrópico

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18

0 40 80 120 0 40 80 120

Lâminas de irrigação (% da ECA-P) Lâminas de irrigação (% da ECA-P)

ŷ = -0,0005x2_{+ 0,197x + 39,96 r}2_{= 97,3} _ŷ_{= -0,0005x}2_{+ 0,11x + 17,8 r}2_{= 96,5}

Número de internódios Diâmetro da copa

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16

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m

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134

127

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0 40 80 120 0 40 80 120

Lâminas de irrigação (% da ECA-P) Lâminas de irrigação (% da ECA-P)

ŷ = 0,028x + 13,72 r2_{= 98,7}

ŷ = -0,001x2_{+ 0,384x + 119,83 r}2_{= 99,8}

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Altura da planta Diâmetro do ramo ortotrópico

In cr em . m en sa l m éd io ( cm ) 6,0 4,0 2,0 0,0 Outono 1 Inverno 1

Primavera 1 Incr

em . m en sa l m éd io ( m m ) 3,0 2,0 1,0 0,0 Outono 1 Inverno 1 Primavera 1 X X X X Inverno 2

0 40 80 120 0 40 80 120

% da ECA - Precipitação % da ECA - Precipitação

Out. 1 ŷ = 0,013x + 4,32 r2_{= 83,59} _{Out. 1}_ŷ_{= 0,008x + 2,01 r}2_{= 82,43}

Inv. 1 ŷ = -0,00036x2_{+ 0,065x + 1,97 r}2_{= 98,65} _{Inv. 1}_ŷ_{= 0,008x + 0,49 r}2_{= 52,54}

Prim. 1 ŷ = -0,00015x2_{+ 0,028x + 3,15 r}2_{= 92,20} _{Prim. 1}_ŷ_{= 0,004x + 1,18 r}2_{= 56,28}

Inv. 2 ŷ = 0,008x + 0,49 r2_{= 52,54}

Número de internódios Diâmetro da copa

In cr em . m en sa l m éd io 2,0 1,5 1,0 0,5 0,0 Outono 1 Primavera 1 X X X X

Inverno 2 In

cr em . m en sa l m éd io ( cm ) 10,0 8,0 6,0 4,0 2,0 0,0 Inverno 1 Outono 2 Primavera 1

0 40 80 120 0 40 80 120

% da ECA - Precipitação % da ECA - Precipitação

Out. 1 ŷ = -0,00006x2_{+ 0,011x + 0,32 r}2_{= 99,76} _{Inv. 1}_ŷ_{= -0,00057x}2_{+ 0,098x + 2,36 r}2_{= 92,96}

Prim. 1 ŷ = 0,0054x + 0,13 r2_{= 82,44} _{Prim. 1}_ŷ_{= 0,014x + 7,18 r}2_{= 75,64}

Inv. 2 ŷ = 0,005x + 0,97 r2_{= 85,26} _{Out. 2}_ŷ_{= -0,01x + 2,47 r}2_{= 52,13}

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