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每公顷施用20吨锯屑(木糠),经发现可增加新植甘蔗产量(蔗产量提高10%,糖产量提高11%),增产效果延续到第一年宿根,但此后便减低。在红壤中,有机质明显地增加磷的
Application of 20 tons of sawdust (hemp) per hectare was found to increase the yield of new sugarcane (10% increase in cane yield and 11% increase in sugar yield), and the yield was extended to the first year of perennial but decreased thereafter. In red soil, organic matter significantly increases phosphorus