R.E. Malcolm – författare

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2 produkter

1. 

   Soil Organic Matter and Biological Activity

   Av R.E. Malcolm, D. Vaughan

   E-bok, 2012

   734 kr

   Lägg i varukorg

   It has long been recognized that soil organic matter is the key to soil fertility. As a nutrient store it gradually provides essential elements which the soil cannot retain for long in inorganic form. It buffers growing plants against sudden changes in their chemical environment and preserves …

2. 

   Soil Organic Matter and Biological Activity

   Av D. Vaughan, R.E. Malcolm

   Häftad, 2013

   546 kr

   Lägg i varukorg

   It has long been recognized that soil organic matter is the key to soil fertility. As a nutrient store it gradually provides essential elements which the soil cannot retain for long in inorganic form. It buffers growing plants against sudden changes in their chemical environment and preserves …