Piet J.A. Van Asten

2 Questions 3 Answers 0 Followers

Questions related from Piet J.A. Van Asten

Any independent field evidence that bio-stimulants / microbial inoculants work in perennial crops like coffee?

Biostimulants / bio-effectors is now a multi-billion dollar industry but does it work on established plantation crops / trees like coffee? Some thougths: Diversity and composition of microbial...

08 January 2018 7,093 7 View

Is application on the soil surface of biochar equally beneficial for soil improvement and crop growth?

Working in coffee on acidic (pH 4.5-5.5) and weathered (CEC 2-7 cmolc kg-1) tropical soils in the Brazil, Zambia and Tanzania, we would like to convert dried post-harvest residues (pulp, husks) to...

09 August 2017 9,200 2 View