Výsledky vyhledávání - "J. E. McMurtrey"

Microwave remote sensing of soil moisture content over bare and vegetated fields

Autor: J. R. Wang, J. E. McMurtrey, J. C. Shiue

Publikováno v: Geophysical Research Letters. 7:801-804

The author has identified the following significant results. Ground truth of soil moisture content, and ambient air and soil temperatures were acquired concurrently with measurements of soil moisture in bare fields and fields covered with grass, corn

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8edf692b50c73c1a85375f8d9209d1c6
https://doi.org/10.1029/gl007i010p00801

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Development of Agrometeorological Crop Model Inputs from Remotely Sensed Information

Autor: Paul J. Pinter, J. Kris Aase, C. L. Wiegand, J. E. McMurtrey, Ray D. Jackson, Arthur J. Richardson, Darryl E. Smika, Lyle F. Lautenschlager

Publikováno v: IEEE Transactions on Geoscience and Remote Sensing. :90-98

The goal of developing agrometeorological crop model inputs from remotely sensed information (AgRISTARS Early Warning/Crop Condition Assessment Project Subtask 5 within the U. S. Department of Agriculture (USDA)) provided a focus and a mission for cr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f54cc59c404b2ab3b1e45c277b5f4a2f
https://doi.org/10.1109/tgrs.1986.289689

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Forage Yield and Quality of Quaker Comfrey, Alfalfa, and Orchardgrass 1

Autor: J. E. McMurtrey, J. H. Elgin, A. J. Thompson, R. H. Hart

Publikováno v: Agronomy Journal. 73:737-743

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::99b17725340ab91af2116c2d76ae60fb
https://doi.org/10.2134/agronj1981.00021962007300040041x

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A multi-frequency radiometric measurement of soil moisture content over bare and vegetated fields

Autor: W. S. Glazar, Thomas J. Schmugge, J. E. Fuchs, James R. Wang, W. I. Gould, J. E. Mcmurtrey

Publikováno v: Geophysical Research Letters. 9:416-419

A USDA Beltsville Agricultural Research Center site was used for an experiment in which soil moisture remote sensing over bare, grass, and alfalfa fields was conducted over a three-month period using 0.6 GHz, 1.4 GHz, and 10.6 GHz Dicke-type microwav

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e17de4789f15d5ffd1bfa93991f1db7f
https://doi.org/10.1029/gl009i004p00416

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Use of Strain Crosses in the Development of Multiple Pest Resistant Alfalfa with Improved Field Performance 1

Autor: K. T. Leath, E. L. Sorensen, F. I. Frosheiser, R. R. Hill, J. H. Elgin, R. N. Peaden, B. J. Hartman, D. K. Barnes, J. E. McMurtrey, B. D. Thyr

Publikováno v: Crop Science. 23:57-64

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8dde86614c8b260f7d2635512322c7c
https://doi.org/10.2135/cropsci1983.0011183x002300010017x

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Development of alfalfa strains with differential tolerance to aluminum toxicity

Autor: C. D. Foy, J. E. McMurtrey, J. W. Schwartz, T. A. Campbell, T. E. Devine, C. H. Hanson, A. L. Fleming

Publikováno v: Plant and Soil. 44:73-79

Aluminum toxicity limits root growth in acid subsoils that are difficult to lime. An alternative to subsoil liming is the development of plants having greater tolerance to Al. Alfalfa (Medicago sativa L.) is considered an Al-susceptible species. Prel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d6c781e3d926d27c7ac377fba9a02c85
https://doi.org/10.1007/bf00016956

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SELECTION IN ALFALFA FOR TOLERANCE TO TOXIC LEVELS OF ALUMINUM

Autor: J. E. McMurtrey, C. D. Foy, J. H. Elgin, T. A. Campbell

Publikováno v: Canadian Journal of Plant Science. 68:743-753

The alfalfa (Medicago sativa L.) population ’B13’ was screened through four cycles of recurrent phenotypic selection for tolerance to toxic levels of Al in growth chambers; germplasm from cycles 1 through 4 was designated B13-A11, B13-A12, B13-A1

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6253a02ec3f4a786cf8354b6da017f01
https://doi.org/10.4141/cjps88-087

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EFFECTS OF FOUR GREENHOUSE SUPPLEMENTAL LIGHT SOURCES ON ALFALFA FLOWERING AND SEED PRODUCTION

Autor: J. E. McMURTREY, J. H. Elgin

Publikováno v: Canadian Journal of Plant Science. 57:1213-1216

Alfalfa (Medicago sativa L.) flowering and seed production in the greenhouse under high pressure sodium, metal halide, mercury vapor, incandescent, and no supplemental lighting were compared. Plant responses were directly related to the quantity of l

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8e8311a8c6bf879e8fbcf27b3edf5deb
https://doi.org/10.4141/cjps77-180

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