Oklahoma State University, The Best Students, The Best State UniversitySoil Nutrient Management
SOIL 4234

 

Soil Nutrient Management, Oklahoma State University
Soil Nutrient Management

Labs    Last Updated 9-25-07

10-2-07
We are having LAB on the Oct 3rd.

9-20-07  NOTICE
Notes for the Leaching and Salinity Labs.
Leaching -  Results posted in Mobility Lab link.  Do as much as possible will discuss in lab and turn it in Weds 26th.
Salinity Lab -  We will dicuss the results but I want the Excel Graphs Turned in Weds 26th.
ON The lab next week 26th, we will review the last two lab exercises. 

 

Student Soil Samples from home. 

Fall 2007 Student list.
 

Compound Solubility  
  g/100ml Valence
KCl 23.8 K+
CaCl 74.5 Ca++
FeCl3 74.4 Fe+++
K2SO4 12 K+
CaSO4 * 2H2O 0.24 Ca++
NaHCO3 6.9 Na+
K3PO4 90 K+
Ca5(PO4)3OH 0.003 Ca++
MgCO3 0.179 Mg++
(NH4)2HPO4 57.5 NH4+
NH4H2PO4 22.7 NH4+
CaHPO4 0.002 Ca++
NH4NO3 118 NH4+
NH4HCO3 11.9 NH4+
CaCO3 0.0014 Ca++

 Mobility Lab

Basic Chemistry Lab

Salinity Lab       Lab  Exercise

NH3 Volatilization from Anhydrous

NH3 Volatilization from Anhydrous RESULTS 06 and homework.

NH3 Volatilization from Urea

In-Field Soil Sampling Exercise and HOMEWORK!!!!
Assignment Hint:
For Tables 2 and 3 for min, max, average recommendations use the
use soil test calculated values given, not average of vertical or by plot recommendations.


N-P-Lime Teaching DEMO

YP and SBNRC

 

Comprehensive information on Nitrogen Use Efficiency for cereal crop production