Agric prec 25set2013 b
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Dirceu Gassen
Dirceu Gassen, Fernando NeulsCooplantio e Vértice Agrícola Apsul-América, 25 setembro 2013
Desafio da alta Produtividade
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Dirceu Gassen
- UFSM e universidades- Cotrijal e Expodireto- Projeto Aquarius- Pesquisa pública e privada- Agricultores- Cooplantio
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Dirceu Gassen
- Volatilidade- Mudanças climáticas- Demanda por alimentos- Área limitada para agro- Um com fome: dois obesos- O valor da terra
Desafios da Agricultura
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Dirceu Gassen
Para ser contra ou criticar não é necessário
saber nada. Para mudar, evoluir e melhorar é necessário conhecer e
trabalhar muito.
Agricultura de Precisão
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Dirceu Gassen
Práticas agrícolas queutilizam tecnologia de informação baseadas
nos princípios da variabilidade do solo e
clima.
Agricultura de Precisão
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Dirceu Gassen
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Dirceu Gassen
Milho kg/ha
Mín: 1.542
Máx: 13.110
Méd: 9.104
Qual foi a causa?
Áreas alta produção Drakkar
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
Passo Fundo - Orlando
São Paulo - Havana
Sorriso, Sinop
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
- Senso de usar o conhecimento e ajudar a planta a produzir mais.- Usar a inteligência humana para melhorar os processos de produção.- Entender a lógica da planta e propiciar as condições para máxima produção.- Aplicar os princípios da biologia para máxima eficiência no uso de recursos naturais.
Agricultura de precisão
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Dirceu Gassen
CaprichoNa hora certa
Fazer bem feitoAssistência técnicaPessoas com paixão
Bons Agricultores
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Dirceu Gassen
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Dirceu Gassen
Pessoas com conhecimento, habilidades, atitudes e
sabedoria.
Eficiência CHAS
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Dirceu Gassen
- Amostragem e base de dados.
- Conhecimento para tomar decisões.
- Soma de processos eficientes
Agricultura de Precisão
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
Estar disposto a aprender, mais do que ter razão (Victor Trucco)
Ética é uma convenção de grupo (Clóvis Barros)
Queima de palha, erosão, árvores, produzir pouco...
Agricultura de Precisão
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Dirceu Gassen
Agricultura de precisão?
Como seria Pecuária de precisão?
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Dirceu Gassen
Sobre pecuária de precisão?
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen 31
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
Pensar como Soja20 plantas/m2
20 rácemos/planta10 grãos/rácemo150 g PMG4000 grãos/m2
600 g/m2: 6,0 ton/ha
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
Passo
Fundo
Brasília Pampa
Arg
Corn belt
USA
Alemanha
França
Ucrania Australia
1786
1553
778 780
619
434377
mm/ano
DNGassen
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Dirceu Gassen
Quanta água no solo?
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Dirceu Gassen
2 cm
16 cm
Roda colhedora Solo normal
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
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Dirceu GassenRevista Plantio Direto 110, mar-abr 2009
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Dirceu Gassen1.5 million ha of controlled traffic in Australia
(Tullberg, pers com. 2005)
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Dirceu Gassen49Compactação cruzada
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen Phill Needham (USA)
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Dirceu GassenRobert Ruwoldt
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Dirceu Gassen
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Dirceu GassenRobert Ruwoldt
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
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Dirceu Gassen
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Dirceu GassenA B C D
2820 3300
3320
4080
381611370
2782
4080
3630
4360
13766
Milho 2011
Soja 2011
Aveia 2010
Milho 2010
Soja 2010
Trigo 2009
Soma de colheita de grãos 2009-11Kg/ha
10220
7710
1933020836
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Dirceu GassenA B C D
110007000
23000
14000
7000
6000
11000 26000
2010-11
2009-10
Kg/ha
Soma de biomassa 2009-11(grãos, palha e adubação verde)
18000
13000
34000
40000
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Dirceu Gassen66
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Dirceu Gassen
Enchimento de grãos
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Dirceu GassenFolhas verdes Doenças foliares
Enchimento de grãos
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Dirceu Gassen 69
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Dirceu Gassen 70
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Dirceu Gassen 71
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Dirceu Gassen
Soja de alto rendimentoproduz pouca palha.
Solos para altos rendimentos necessitam
de palha e raízes.
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Dirceu Gassen 73
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Dirceu Gassen
Hábitos de CrescimentoD: HC determinado.SD: HC semidetermiando.I: HC indeterminado.
Soybean5.8mdOnde:(5) seria o GM (8) o decimal de fenologia (cultivar de GM VIII médio)(m) com período juvenil de expressão média(d) que tem HC determinado.
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Dirceu Gassen
1.8
0.7
2.02.0
1.8
2.0
1.6 1.6
2.1
1.51.7
2.4
1.7
2.7
1.4
0.7
2.0
2.6
2.0 2.1
2.6
2.8
1.6
2.6
2.2
2.4
3.1
2.3
3.5
2.0 2.0
3.3
3.43.5 3.5
3.8
4.1
2.9
3.9
1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 2012
t/ha
Conab/Cooplantio
2018 kg/ha
3061 kg/ha
+52% (1043 kg/ha)
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Dirceu Gassen
1.8
0.7
2.02.0
1.8
2.0
1.6 1.6
2.1
1.51.7
2.4
1.7
2.7
1.4
0.7
2.0
2.6
2.0 2.1
2.6
2.8
1.6
2.62.5
2.2
2.4
3.1
2.3
3.5
2.0 2.0
3.33.4
3.5 3.5
3.8
4.1
2.9
3.9
4.7
1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016 2018 2020
t/ha
Conab/Cooplantio
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Dirceu Gassen
Pensar como Milho7 plantas/m2
650 grãos/espiga330 g PMG4550 grãos/m2
1500 g/m2: 15,0 ton/ha
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Dirceu Gassen 78
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Dirceu Gassen 79
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Dirceu Gassen 80
2,5 5,0 7,5 10,0 cm
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Dirceu Gassen 81
2,5 5,0 7,5 10 cm
Raízes seminais
Raízes coronais
Mesocótilo
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Dirceu Gassen 82
Profundidade:< 3 cm: problema
3 a 5 cm: bom
> 7 cm: sepultar
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Dirceu Gassen 83
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Dirceu Gassen 84
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Dirceu Gassen
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Dirceu Gassen 86
62.500 plantas
80 cm X 20 cm
62.500 plantas
40 cm X 40 cm
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Dirceu Gassen 8775 cm 50 cm
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Dirceu Gassen
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Dirceu Gassen
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IAF e peso grãos/espiga
Sem folha Sem 5 folh Com 5 folh 15 folhas
0
126
149
228
Gassen, Tisot, Castoldi, Aroldi 2011Grama grãos/espiga
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Dirceu Gassen1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
197
253
395
522
659
699
699
639
631
550
470
382
261
159
84
Folha
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Pensar como trigo400 espigas/m2
40 grãos/espiga40 g PMG16.000 grãos/m2
640 g/m2: 6,4 ton/ha
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H (t/ha) OC
N P K Ca Mg S (kg/ha)
B Cl Cu Fe Mn Mo Zn (g/ha)
Si Co Se Ni
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Dirceu Gassen N P K S
450 kg deN P2O5 K2O S89 17 30 4
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Dose e sobrevivênciarizóbio
600.000 células60 nódulos0,001 % estabelecem99,999 % morrem
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Fixação biológica de N em soja
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Níveis de controle e de
adubação variam com o
perfil do agricultor, o
tipo de
solo, região, clima e
produção desejada.
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Percevejo-verdeNezara viridula
Percevejo verde-pequeno, Piezodorus guildinii
Percevejo-marromEuschistus heros
Barriga-verdeDichelops melacanthus
PercevejoAcrosternum sp.
PercevejoEdessa meditabunda
Percevejos em soja
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Amostragem percevejos em soja
=Visual
Fontes: Corrêa-Ferreira (1985) População real
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Amostragem e
monitoramento são
as bases para
tomar decisões.
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Dirceu Gassen9 h 14 h 19 h
0.0 0.0
1.7
0.3 0.3
1.7
0.50.3
2.3
1.3
0.7
3.7Insetos/m2
Daniel Igarzábal, RPD, jan-fev 2009
Amostrador 1
Amostrador 2
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Dirceu GassenDNGassen
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Agricultura de precisão: - É o senso de usar o conhecimento e ajudar a planta a produzir mais.- É usar a inteligência humana para melhorar os processos de produção.- Entender a lógica da planta e propiciar as condições para máxima produção.- Aplicar os princípios da biologia para máxima eficiência na produção.
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- Conhecer mais para errar menos.- Mais ciência e menos emoção nas decisões.- Pensar como planta.- Pergunte a semente e a planta?
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Dirceu Gassen DNGassen
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Dirceu Gassen
Dirceu Gassen, Fernando NeulsCooplantio e Vértice Agrícola Apsul-America, 25 setembro 2013