Zobrazeno 1 - 10 of 55 pro vyhledávání: '"D. S. Mikkelsen"'
2
Potassium absorption and partitioning in cotton as affected by periods of potassium deficiency
Autor: D. S. Mikkelsen, Ciro Antonio Rosolem
Publikováno v: Journal of Plant Nutrition. 14:1001-1016
Cotton (Gossypium hirsutum var. Latifolium) was grown in nutrient media, at two K levels: 58.5 mg/K and 11.7 mg/K. Potassium deficiency (11.7 mg K/g of K) was imposed upon cotton plants at different stages of plant development. A sequence of increasi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f5a29e3385aa418b5aeb959aca6145eb
https://doi.org/10.1080/01904169109364259
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4
Ammonia Volatilization from Flooded Soil Systems: A Computer Model. I. Theoretical Aspects
Autor: D. S. Mikkelsen, G. R. Jayaweera
Publikováno v: Soil Science Society of America Journal. 54:1447-1455
aAmmonia volatilization from flooded rice (Oryza satipa L.) is major mechanism for N loss and poor fertilizer use efficiency. Ammonia volatilization is influenced by five primary factors: NH 4-N concentration, pH, temperature, depth of floodwater, an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6b0205ddd76ab87f3ad637ea92a9c656
https://doi.org/10.2136/sssaj1990.03615995005400050039x
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6
Effects of acetic, propionic, and butyric acids on rice seedling growth and nutrition
Autor: D. S. Mikkelsen, D. Niranjan Rao
Publikováno v: Plant and Soil. 47:323-334
Soils which are flooded for lowland rice culture shift from aerobic to anaerobic organic matter transformations. Anaerobic carbon transformations, involving chiefly rice crop residues, are characterized by the formation of various organic acids. Thes
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::57a8cf4f36cf6517029b38c39342c698
https://doi.org/10.1007/bf00011491
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7
Kinetics of zinc desorption from soils
Autor: D. S. Mikkelsen, S. Kuo
Publikováno v: Plant and Soil. 56:355-364
The kinetics of zinc desorption by DTPA were investigated in several soils. The rate of desorption of soil zinc and adsorbed zinc was rapid initially and gradually declined with time. The desorption reaction can be described by a two constant rate eq
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::df95bd094ca2d4583d8e4689a5b5ef1a
https://doi.org/10.1007/bf02143030
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