Granular Soil Structure Granular Soil Structure Crusted Soil Crusted - - PowerPoint PPT Presentation

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Jan 05, 2024 336 likes •547 views

Granular Soil Structure Granular Soil Structure Crusted Soil Crusted Soil Soil Compaction Soil Compaction Native Soil Structure Native Soil Structure Microbes/Livestock Microbes/Livestock Bacteria Bacteria 1000 lbs/A 1000 lbs/A

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Granular Soil Structure Granular Soil Structure

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Crusted Soil Crusted Soil

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Soil Compaction Soil Compaction

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Native Soil Structure Native Soil Structure

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Microbes/Livestock Microbes/Livestock

Bacteria

1000 lbs/A Bacteria 1000 lbs/A

Actinomycetes

1000 lbs/A M ld 200 lb /A

Molds

200 lbs/A

Algae

100 lbs/A

Protozoa

200 lbs/A

Nematodes

50 lbs/A Nematodes 50 lbs/A

Worms

1000 lbs/A

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Poor Soil Structure Prevents Water Movement

Water Saturated Soil Air Space Moisture Soil Moisture Soil Dry Soil

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Nutrient Uptake and Root Structure Nutrient Uptake and Root Structure

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Factors Affecting Active Nutrient Uptake Uptake

Oxygen Temperature Ion Interference

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General view of the research plots (Ponta General view of the research plots (Ponta No residue No residue Grossa - PR) Grossa - PR) 5 ton/ha 5 ton/ha 10 ton/ha 10 ton/ha

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Effect of the amount of residue in the corn root system distribution w ith depth (Mean 13 hybrids / resid e treatment) Effect of the amount of residue in the corn root system distribution w ith depth (Mean 13 hybrids / resid e treatment)

5,0 ton residue/ha 10,0 ton residue/ha

residue treatment) residue treatment)

No residue residue/ha residue/ha residue

Depth (cm)

342 298 256 349 492 317 309 294 281 392 575 237 218 194 275 404

0-10 10-20 20-30 30-40 40-50

97 155 225 271 312 109 192 235 297 317 71 122 169 208 249

50-60 60-70 70-80 80-90 90-100

2 7 9 8 cm / 0 ,8 m 2

130%

3 0 0 1 cm / 0 ,8 m 2

140%

2 1 4 8 cm / 0 ,8 m 2

100%