“The results of field test showed that the yields of rice and wheat while applying N, P, K and Si, Zn( Mn) with a suitable formula were higher compared with applying N only.”
3 of 6 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.