Why do big leaves on my Chinese money plant fall off and how can I help it? Using Coffee as a Garden Fertilizer Coffee Fertilizer General Warfield's Coffee DOE Explainsthe Carbon Cycle Department of Energy C3, C4 & CAM Plants A Quick Comparison Plants follow different photosynthetic pathways to fix carbon dioxide, based on their environmental adaptation and efficiency. C3 plants fix CO directly On the Grid : Doughnut Plant Snake Plant Laurentii with Planter Large (22 24" tall) Sand Planter Easy care, purifies air.