Humberto Blanco - Professor of Soil Science

Humberto Blanco

faculty
Work Keim Hall (KEIM) 367
Lincoln NE 68583-0915
US
Work 402-472-1510 On campus, dial 2-1510

Faculty Bio

Eroded field

Does Grazing Cover Crops Negatively Impact Soil and Crop Yields?

April 29, 2021
Grazing cover crops can be a potential option to re-integrate crops with livestock production and reverse the adverse effects of separating crops and livestock production, despite soil compaction concerns. 

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Soil samples

Can Cover Crops Offset the Negative Impacts of Corn Silage?

April 28, 2021
UNL researchers discerned varied results from a study on reducing soil compaction and wind/water erosion on fields harvested for corn silage by planting cover crops. 

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tractor filling a field

Strategic Tillage for the Improvement of No-Till Cropping Systems

January 21, 2020
The practice of OT once in 5 to 10 years or more is not likely to adversely affect no-till systems. However, to be beneficial, the OT has to be well-planned and implemented to target a well-characterized problem such as a weed control or compaction problem.

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Cover crop field trial

Cover Crops and Carbon Sequestration: Benefits to the Producer and the Planet

March 11, 2019
This student study of a four-year research project found cover crops may significantly improve soil aggregation and particulate organic matter concentration in the short-term, which suggests the potential for cover crops storing soil carbon in the long term.

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Rye in continuous corn April 19, 2018 at the Eastern Nebraska Research and Education Center near Mead
Rye in continuous corn April 19, 2018 at the Eastern Nebraska Research and Education Center near Mead

How Does Cover Crop Planting Date Affect Soil’s Susceptibility to Water Erosion?

March 11, 2019
This Nebraska student study of how cover crops planted pre- and post-harvest affected soil erodibility found that the amount of water-stable aggregates and biomass production increased with pre-harvest planting.

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Cattle grazing cover crops

Cover Crop Grazing: Impacts on Soils and Crop Yields

January 22, 2019
Results from a three-year study in rainfed and irrigated no-till cropping systems in Nebraska suggest that moderate cattle grazing of cover crops may not negatively impact soil properties and crop production.

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Comparison of aboveground biomass amounts and total N when using hairy vetch or cereal rye as cover crops.

Cover Crops Benefit Nebraska Agroecosystems In Many Ways

January 9, 2019

Across Nebraska, the use of cover crops is increasing. Most commonly, winter cover crops are planted during the fallow period between corn or soybean harvest and the next crop. However, other windows for cover cropping exist in Nebraska.

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Figure 1. A view of all four treatments of a corn residue and cover crop experiment at the South Central Agricultural Laboratory near Clay Center. Top left is cereal rye with 60% corn residue removal; top right is cereal with corn residue. Bottom left is no cereal rye with 60% corn residue removal; bottom right is corn residue and no cover crop (control).
Figure 1. A view of all four treatments from a corn residue and cover crop experiment at the South Central Agricultural Laboratory near Clay Center. Top left is cereal rye with 60% corn residue removal; top right is cereal with corn residue. Bottom left is no cereal rye with 60% corn residue removal; bottom right is corn residue and no cover crop (control).

Cover Crop and Crop Residue Management: How Does it Affect Soil Water in the Short and Long Term?

August 13, 2018
How you manage your soil today impacts its productivity tomorrow. This article focuses on how plant residue management and cover crop use affect water infiltration and plant available water.

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