Module 6 knowledge check

Soil type influences which of the following decisions?

Fertiliser requirements

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Pasture species suitability

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Grazing management plan

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All of the above

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In most soils where are the majority of the soil’s nutrients, plant roots and living organisms including bacteria, fungi, protozoa, nematodes, earthworms and other soil biota.

In the litter layer

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In the top 10 cm of the soil profile

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On the soil surface

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At 20–30 cm below the soil surface

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What is the standard ground cover benchmark for high-rainfall zones?

30% ground cover

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95% ground cover

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70% ground cover

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60% ground cover

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Which of the following visual indicators suggest soil is in poor health?

Pooling water

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Bare patches

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Pasture discolouration

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All of the above

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What are the three most commonly deficient nutrients in soil?

Phosphorus, potassium and sulphur

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Phosphorus, nitrogen and sulphur

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Phosphorus, nitrogen and calcium

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Calcium and magnesium

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Which of the following is not necessarily an indicator of sodic soils?

Hard-set soil

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Surface crusting

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Rain pooling on surface of soil

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Waterlogging

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Module 6: Healthy soils

Introduction

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