نتایج جستجو برای: olsen test
تعداد نتایج: 813422 فیلتر نتایج به سال:
Different Extractants have been proposed to assess available P in different soils. Olsen method is widely used to determine available P in calcareous soils of Iran. However, it has not been compared adequately with other extractants. The main objective of this experiment was to compare this procedure with some other methods. Thirty nine calcareous soil samples from Fars Province with different ...
The Elachista dispilella group and its subordinate E. dispilella species complex are characterized. Identity of the long confused oldest names applicable for taxa in the E. dispilella complex, i.e., E. dispilella Zeller, E. festucicolella Zeller, and E. distigmatella Frey, is resolved. Elachista dispilella Zeller is the valid name for the species often identified as E. festucicolella, E. steuer...
The common use of soil-fertility control data in Croatia includes properties such as soil pH, organic matter content and plant-available phosphorus (P) and potassium (K) extracted by ammonium lactate (AL) solution. These data are commonly used for fertilizer recommendations for both field vegetable (Lončarić et al., 2003) and arable crops (Vukadinović et al., 1996). Also, the same soil data hav...
Different Extractants have been proposed to assess available P in different soils. Olsen method is widely used to determine available P in calcareous soils of Iran. However, it has not been compared adequately with other extractants. The main objective of this experiment was to compare this procedure with some other methods. Thirty nine calcareous soil samples from Fars Province with different ...
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