Soil zinc and pH effects on zinc concentrations of corn plants
作者： F. C. Boswell , M. B. Parker , T. P. Gaines
DOI: 10.1080/00103628909368169
关键词:
摘要: Abstract Z1nc (Zn) deficiency of corn (Zea mays L.) has been detected in 20 or more states 1n the United States including Georgia. Since soil pH is a major factor assessing availability Zn, this measurement included with acid extractable Zn developing calibration tests North Carolina and Virginia. The objectives study were to develop reliable test for based on Mehlich 1 gown coarse‐textured soils compare our values those recently published from where 3 was extractant. conducted 1979 1981 Tifton loamy sand (Plinthic Paleudult) site which had used influence lime rates micronutrient since 1970. Treatments consisted four levels ranging 5.3 6.6 0.5 4.9 mg/kg. established previous 5.6 kg Zn/ha applied annually...
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