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47:38 Basics of Soil Plant Relationships April 7 Basics of Soil Plant Relationships April 7	Basics of Soil Plant Relationships April 7 Basics of soil plant relationships April 7 ssc109 soil nutrients water exchange calcium capacity solution ph base milliequivalents solubility ions phosphorus cat mass diffusion root milliequivalent saturation plants From William Horwath 0 likes 81 plays 0
47:53 April 17 Soil Salinity and Sodicity Lecture (Part… April 17 Soil Salinity and Sodicity Lecture (Part 2).mp4	April 17 Soil Salinity and Sodicity Lecture (Part 2).mp4 water irrigation soil sodium drip salts milliequivalents systems soils nitrogen surface salt calcium things sulfate source crop issues chloride plant From William Horwath 0 likes 109 plays 0
53:19 April 15 Soil Salinity and Sodicity (Part 3)… April 15 Soil Salinity and Sodicity (Part 3) Salinity and Sodicity (Part 1)	April 15 Soil Salinity and Sodicity (Part 3) Salinity and Sodicity (Part 1) ssc109 sodium soils soil water ph salt calcium milliequivalents salts zinc ratio lot magnesium esr effect content relationship source base percentage From William Horwath 0 likes 118 plays 0
52:04 April 13 SoilAcidity and Alkalinity (Part 2) April 13 SoilAcidity and Alkalinity (Part 2)	April 13 SoilAcidity and Alkalinity (Part 2) ssc109 ph calcium soil carbonate acidity lime material nitrogen milliequivalents aluminum systems grams saturation source solution base exchange soils mole hydroxide From William Horwath 0 likes 143 plays 0