果树种植户每年可以从养牛养猪户那里购买一批粪肥建起沼气池，然后添加修剪下来的果树树枝。
Fruit tree farmers can buy one load of manure a year from a cow or pig farm to start their digester and add wood pruned from fruit trees.
工人从现存的最古老最高的树上剪下树枝，以获得自然的终极幸存者的无垢的遗传样品。
The workers clipped boughs from some of the preserve's oldest and tallest trees to get genetically pure samples of some of nature's ultimate survivors.
由工农业废料配制的两种堆肥作为试验用的基质：C1——酿造啤酒等废料（酵母和麦芽）加修剪下的柠檬树枝；
Two composts prepared from agroindustrial wastes were assayed as substrates: C1 from brewing waste (yeast and malt) plus lemon tree prunings;
由工农业废料配制的两种堆肥作为试验用的基质：C1——酿造啤酒等废料（酵母和麦芽）加修剪下的柠檬树枝；
Two composts prepared from agroindustrial wastes were assayed as substrates: C1 from brewing waste (yeast and malt) plus lemon tree prunings;
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