https://www.selleckchem.com/pr....oducts/sodium-oxamat
The return of primary macro-nutrients (P and K), secondary macro-nutrients (Ca, Mg and S) and micro-nutrients (Mn, B, Cu, Zn and Mo) via litterfall varied significantly with season, and annual return of nutrients were similar in organic and conventional cocoa systems. Shade tree leaf litter accounted for 30-47 % of annual macro- and micro-nutrient return (except Ni and Zn) in organic cocoa systems versus 20-35 % in conventional cocoa systems. The results emphasize the complementary role of the different shade tree species which c
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