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Field Guide of Discovery-based Exercises for - Aseanipm ...

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Section 3 • Living Soil, Integrated Soil Nutrient and Crop Managements<br />

❏ What factors do you think influenced the number and kind <strong>of</strong> organisms and litters found in<br />

different soil layers <strong>of</strong> a soil pr<strong>of</strong>ile?<br />

❏ What do you think is the influence <strong>of</strong> varying soil textures and structures <strong>of</strong> a soil layer or<br />

pr<strong>of</strong>ile on abundance <strong>of</strong> soil organisms, soil organic matter content, and soil water holding<br />

capacity, soil nutrient availability, and crop productivity?<br />

❏ What characteristics should we observe in soil layer or pr<strong>of</strong>ile to suggest abundance <strong>of</strong> soil<br />

organisms, soil organic matter content, and soil water holding capacity, soil nutrient availability,<br />

and crop productivity?<br />

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