Sources of food

Descrição

Mohd Nur
Zevens 11
Mapa Mental por Zevens 11, atualizado more than 1 year ago
Zevens 11
Criado por Zevens 11 mais de 7 anos atrás
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Resumo de Recurso

Sources of food
  1. Crops
    1. Soil
      1. Fertilisers
        1. Nutrients
          1. Pollution
            1. Air pollution
              1. Water pollution
                1. Pesticides
                  1. Herbicides
                    1. Chemical control
                      1. Biological control
                2. Appropriate pH
                  1. Universal indicator
                    1. Litmus paper
                      1. pH meter
                  2. Sunlight
                    1. Water
                      1. Air
                        1. Growth
                          1. Plant Hormones
                            1. Ripening of fruits
                              1. weed killers
                      2. space limitation
                        1. Increase in world population
                        2. improving plant and animal varieties
                          1. intensive production methods

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