John L Havlin

Long-term yield response of corn, wheat, and double-crop soybean to tillage and N placement

Sweeney, D. W., Diaz, D. A. R., Pedreira, B. C., & Havlin, J. L. (2022, February 21). AGRONOMY JOURNAL.

Nutrient Management Effects on Wine Grape Tissue Nutrient Content

PLANTS-BASEL, 11(2).

Review of Phosphite as a Plant Nutrient and Fungicide

[Review of ]. SOIL SYSTEMS, 5(3).

Irrigated grain sorghum response to 55 years of nitrogen, phosphorus, and potassium fertilization

AGRONOMY JOURNAL, 113(1), 464–477.

Soil Fertility Management for Better Crop Production

Havlin, J., & Heiniger, R. (2020, September). AGRONOMY-BASEL, Vol. 10.

Upscaling Evapotranspiration with Parsimonious Models in a North Carolina Vineyard

Agronomy, 9(3), 152.

Corn Yield and Grain Nutrient Uptake from 50 Years of Nitrogen and Phosphorus Fertilization

AGRONOMY JOURNAL, 109(1), 335–342.

Nitrogen and Phosphorus Fertilizer Effects on Establishment of Giant Miscanthus

BIOENERGY RESEARCH, 8(1), 17–27.

Micro-Bowen ratio system for measuring evapotranspiration in a vineyard interrow

AGRICULTURAL AND FOREST METEOROLOGY, 177, 93–100.

Soil fertility and fertilizers: An introduction to nutrient management

Upper Saddle River, N.J.: Pearson.

Survey of Nutrient Status in Vitis vinifera Grapes in North Carolina

COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS, 43(1-2), 299–314.

"Dig It!": How an Exhibit Breathed Life into Soils Education

SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 74(3), 706–716.

The "Dig It!" Smithsonian Soils Exhibition: Lessons Learned and Goals for the Future

SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 74(3), 697–705.

Trends in Soil Science Education and Employment

SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, Vol. 74, pp. 1429–1432.

A variable-rate decision support tool

Precision Agriculture, 10(4), 356–369.

Three Experimental Systems to Evaluate Phosphorus Supply from Enhanced Granulated Manure Ash

AGRONOMY JOURNAL, 101(4), 880–888.

Effect of planting date and nitrogen fertilization rates on no-till pumpkins

HortScience, 43(3), 857–861.

Long-term agricultural research: A research, education, and extension imperative

BIOSCIENCE, 58(7), 640–645.

Effect of winter cover crop residue on no-till pumpkin yield

HortScience, 42(7), 1568–1574.

Change in soluble phosphorus in soils following fertilization is dependent on initial Mehlich-3 phosphorus

JOURNAL OF ENVIRONMENTAL QUALITY, 35(5), 1818–1824.

Challenging approaches to nitrogen fertilizer recommendations in continuous cropping systems in the Great Plains

AGRONOMY JOURNAL, Vol. 97, pp. 391–398.

Soil fertility and fertilizers: An introduction to nutrient management (7th ed.)

Upper Saddle River, NJ: Pearson/Prentice Hall.

Placement of UAN for dryland winter wheat in the central high plains

AGRONOMY JOURNAL, 95(6), 1532–1541.

Corn yield response to nitrogen at multiple in-field locations

Agronomy Journal, 94(4), 798–806.

Seeing is believing: The role of field days and tours in precision agriculture education

Precision Agriculture, 3(4), 309.

Using yield monitor data to determine spatial crop production potential

Transactions of the ASAE, 44(6), 1409–1414.

Precision farming education at NC State University

Proceedings of the 5th International Conference on Precision Agriculture, Bloomington, Minnesota, USA, 16-19 July, 2000, 1.

The Spatial Information Research Laboratory at North Carolina State University

Proceedings of the 5th International Conference on Precision Agriculture, Bloomington, Minnesota, USA, 16-19 July, 2000, 1.

Soil fertility and fertilizers: An introduction to nutrient management

Medford, NJ: Prentice Hall.

Dryland conservation technologies: Enhancing agricultural profitability and sustainability

Annals of Arid Zone, 36(3), 291–303.

Green fallow for the central Great Plains

AGRONOMY JOURNAL, 89(5), 762–767.

Nutrient management for sustainable dryland farming systems

Annals of Arid Zone, 36(3), 233–254.