树叶黄了，枫叶红了，煞是好看，但秋风微吹，落叶成堆，化作肥料，滋润树根；
The leaves turns yellow, the maples redden, so beautiful and so graceful!
绿色植物从稀释的——啊哈——肥料中吸取养分，然后把水净化作为报答。
The greenery received nourishment from the diluted—ahem—fertilizer and purified the water in return.
采用培养法和田、盆试验法对不同肥料处理的紫色土氮素矿化作用与作物吸氮效应进行了研究。
Laboratory incubation, pot and field experiments were adopted to study the nitrogen mineralization and response of crops in purple soils amended With organic or chemical fertilizers.
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