Ray R. Weil – författare

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6 produkter

1. 

   Soil Organic Matter in Sustainable Agriculture

   Av Ray R. Weil, Fred Magdoff

   E-bok, 2004

   1230 kr

   Lägg i varukorg

   Recognition of the importance of soil organic matter (SOM) in soil health and quality is a major part of fostering a holistic, preventive approach to agricultural management. Students in agronomy, horticulture, and soil science need a textbook that emphasizes strategies for using SOM management in …

2. 

   Soil Organic Matter in Sustainable Agriculture

   Av Fred Magdoff, Ray R. Weil

   Häftad, 2019

   1042 kr

   Lägg i varukorg

   Recognition of the importance of soil organic matter (SOM) in soil health and quality is a major part of fostering a holistic, preventive approach to agricultural management. Students in agronomy, horticulture, and soil science need a textbook that emphasizes strategies for using SOM management in …

3. 

   Soil Organic Matter in Sustainable Agriculture

   Av Fred Magdoff, Ray R. Weil

   E-bok, 2004

   1203 kr

   Lägg i varukorg

   Recognition of the importance of soil organic matter (SOM) in soil health and quality is a major part of fostering a holistic, preventive approach to agricultural management. Students in agronomy, horticulture, and soil science need a textbook that emphasizes strategies for using SOM management in …

4. 

   Laboratory Manual for Introductory Soils

   Av Ray R Weil

   Häftad, 2020

   1118 kr

   Lägg i varukorg

5. 

   Laboratory Manual for Introductory Soils

   Av Ray R Weil

   Häftad, 2021

   1192 kr

   Lägg i varukorg

   This manual is designed to encourage the quantitative investigation of soil properties, as well as to give a "feel" for what soils are and how they behave. It provides opportunities to see, touch and manipulate soil in the lab and in the field to better understand pedological, biological, chemical, …

6. 

   Soil Organic Matter in Sustainable Agriculture

   Av Fred Magdoff, Ray R. Weil

   Inbunden, 2004

   3026 kr

   Tillfälligt slut

   Recognition of the importance of soil organic matter (SOM) in soil health and quality is a major part of fostering a holistic, preventive approach to agricultural management. Students in agronomy, horticulture, and soil science need a textbook that emphasizes strategies for using SOM management in …