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Author Question: Plants generally convert oxidized iron to its reduced form by means of organic reducing agents ... (Read 36 times)

cookcarl

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on: Jul 22, 2018
Plants generally convert oxidized iron to its reduced form by means of organic reducing agents before the iron is taken up or utilized by the plant.
 
  Indicate whether the statement is true or false

Question 2

A soil has a maximum potential cation exchange capacity of 30 cmolc/kg and has a 50 acid saturation. If you want to decrease the percentage acid saturation to 10, how many cmolc of calcium would it take to replace the exchangeable acid cations per kg of soil? Assume all the calcium exchanged with aluminum.
 
  A) 40 B) 5 C) 6 D) 30 E) 12
The Nature and Properties of Soils ¦ Weil, Well, Brady ¦ 15th Edition
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Jordin Calloway

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Reply #1 on: Jul 22, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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cookcarl

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Reply 2 on: Jul 22, 2018
:D TYSM

xiaomengxian

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Reply 3 on: Yesterday
Gracias!

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