Ewald Schnug

Preliminary Diagnosis and Recommendation Integrated System (DRIS) Norms for Hevea brasiliensis Grown in the Humid Forest Zone of Cameroon

Jetro Nkengafac Njukeng, Eugene Ejolle Ehabe, George Elambo Nkeng & Ewald Schnug · International Journal of Plant & Soil Science · 2013

The main source of natural rubber is the Hevea brasiliensis, an important crop to the Cameroonian economy. In order to improve yields in a sustainable manner, nutrient norms must be derived for proper nutrient and sustainable soil fertility management. The aim of this study was t...

Open access Research Article 10.9734/IJPSS/2013/5107

A Comparative Study on the use of Calcium Acetate Lactate, Calcium Chloride and Acidic Ammonium Acetate- Ethylene Diaminetetra Acetic Acid (AAAc-EDTA) for the Quantification of Extractable, P, K and Mg from Acidic Soils

Nkengafac Jetro Njukeng, Elambo George Nkeng, Ejolle Eugene Ehabe & Ewald Schnug · International Research Journal of Pure and Applied Chemistry · 2013

Soils need to be tested before and after the establishments of plantations. This is because the results of a soil test gives a relative measure of the amount of nutrients available in the soil and thus are use as a base for nutrient diagnosis. The Calcium Acetate lactate (CAL) me...

Open access Research Article 10.9734/IRJPAC/2013/2600