Seminario Wilton

33
COLHEITA DISICPLINA: GRANDES CULTURAS 1 PROFESSOR: WILTON DUARTE INTEGRANTES: MARCOS MOTA

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COLHEITA

DISICPLINA: GRANDES CULTURAS 1PROFESSOR: WILTON DUARTE

INTEGRANTES: MARCOS MOTA

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COLHEITA

- Grande importância

- Pequenas, médias e grandes propriedades

- Condições climáticas

Crescimentovegetativo

Floração Colheita

 Fotoperíodo precipitação umidade relativa do ar

CUIDADO: COM A DEFICIÊNCIA OU EXCESSO DE PRECIPITAÇÃO

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ÉPOCA DE COLHEITA

- Ideal é logo após a maturidade fisiológica

- Máxima qualidade fisiológica germinaç!o e "igor#

- $eor de umidade 30 a 44%#

- &agens "erdes

-Sementes imaturas, apresentam baixo vigor e baixopoder germinativo.

-Quando o feijoeiro é deixado por um longo período

no campo, após a maturação, ocorrem perdas peladeiscência das vagens, natural ou provocada pelaoperação do arranquio das plantas, principalmenteem regiões de clima quente e seco.

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ÉPOCA DE COLHEITA

GerminaçãoPeso secoVigor

UMIDADE

Tempo

 

   M  a  x   í  m  o

 

30 a 44% de umidade

 

   C  o   l   h  e   i   t  a  m  e  c

   â  n   i  c  a

 

  a   t  u  r   i   d  a   d  e

   f   i  s   i  o   l   ó  g   i  c  a

   C  o   l   h  e   i   t  a  m  a

  n  u  a   l

 

13 a 20 % deumidade

Maior potencial de armazenamento

Indice de umidaderequerido paracomercialização ou mesmopara armazenamentotemporário, por impedir ouretardar o desenvolvimentode fungos e de carunchos.

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ÉPOCA DE COLHEITA

'a prática ocorre quando(

- Mudança da coloraç!o das "agens

- &erde para creme)pal*a

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P+-./M01

- C*u"a em excesso 2das águas3#

- -aixo teor de umidade na semente

- Presença de plantas danin*as

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P+-./M01

- Preparo do solo mal feito4

- +ele"o da área4

- Populaç!o de plantas4

) Culti"ares com deisc5ncia alta de "agens6

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SISTEMAS DE COLHEITA

- Manual 7aixo rendimento#

- 1emi)mecani8ado mais utili8ado#

- Mecani8ado direto e indireto#

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UAL

- 0rranquio das plantas é manual

- 1ecagem no campo ou em terreiros

- $ril*a

- 07anaç!o

- 9):; *omem<dia<*a

- Plantas danin*as pode interferir 

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1/MI)M/C0'I=0> M0I1 ?$I.I=0>#

- 0rranquio e enleiramento manuais

- $ril*a mecânica

- /stacionárias

- +ecol*edoras @ $ril*adoras

- 0utomotri8es operadas

estacionadas

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M/C0'I=0>

- Falta de mão-de-obra

- Arrancadores – enleiradores- Recolhedoras – trilhadoras

- Colhedoras automotrizes

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MECAI!A"O "IRETO

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/le"adores de plantas

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MECANIZADO DIRETO

- #so de le$antadores %ode introduzir restos

culturais com terra&

- O %re'o de $enda ( menor&

- E)i*e o uso de dessecantes&

- +erdas são maiores che*ando a ,./

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SOLUÇÃO PARA A COLHEITA DIRETA

- Culti"ares de porte mais ereto4

- Culti"ares com maior altura de inserç!o da primeira

"agem4

- ?niformidade de maturaç!o dispensando o uso de

dessecant

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- 0rranquio ou ceifa mecânica4

- $ril*a mecânica

MECANIZADO INDIRETO

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0A1 de Armazenamento

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