Sort:  

You are welcome to ask a question @seadbeady, use the tag asa for your question to be detected by @askanything.

Quite interesting...... it is really a great asset and should thus not be taken for granted.

It is quite real and true@seadbeady...... plenty of weeds in our farms will great contribute to lows yields. First evidence will be yellowing of plant's leaves ie nutrient deficiency