Composting 101

不論你是用盆子種菜, 還是用木頭蓋菜箱, 能夠自己做有機肥料土(Organic Compost)是最營養, 而且環保又省錢的, 因為大部分的家庭都會有落葉, 報紙, 咖啡渣或茶葉, 蔬果皮等等, 與其丟進垃圾桶, 不如拿來做肥料土, 物盡其用.

Composting需要什麼工具呢?

1. Compost Bin – 你可以自己做或者用買的, 選擇很多, 從最陽春的Compost Bin, 到高級的Compost Tumbler, 端看你的喜好和荷包厚度; 受到測試評論, 而且價格親和的是Presto Products GKL0951-6 Geobin Composting System. (記得不要把Compost Bin放在水泥地上, 會減緩compost的速度)

* 可以在廚房台面上或水槽下準備一個帶蓋的塑膠桶, 專門用來裝蛋殼, 蔬果皮, 咖啡渣, 茶葉, 過期的麵包, 煮過或生的米和麵等Greens, 等累積到一個程度後, 在拿到後院去倒在Compost Bin.

2. Compost Turner or Manure Fork – 每週要翻動Compost一次, 讓其透透氣.

3. Compost Thermometer – 測試Compost的溫度是否有達到120-160F.

Compost-sheet_May-2011
4. Browns (Carbon) & Greens (Nitrogen) Food – 記得把它們都切成約1/4 to 1 inch 大小(體積小, 分解快), 可以先從mixing 50/50 of browns and greens開始 (or 3 Browns : 1 Green), 不過是一層Brown和一層Green的方式放 (第一層放6 inches of Browns開始), 每層約4 inches thick, 而且每放一層就要撒些水 (Moisture).

Screen Shot 2013-07-04 at 11.17.30 PM
如果堆肥的溫度不夠熱, 就要加些Greens, 如果開始有些臭味, 就要加些Browns. 每週要翻動一次 (Oxygen). 當堆肥已經堆到八九分滿, 而且溫度有達到140F, 就要停止Add Food (可以另外開始一個新的Pile), 靜放四週後, 就可以把Compost用到菜園裡了.

 

 

註1: Browns 包括 Straw, Dry Leaves, Sawdust, Newspaper/Cardboard, Wood Chips, Shreded 100% wool or cotton fabric, Hair, Nail clippings, Dryer Lint, Paper towels/Paper napkins/Paper table cloths/Paper plates (non wax- or plastic-coated)/Paper muffin/cupcake cups/Toilet paper and paper towel rolls (shredded first).

Greens 包括 Coffee grounds/coffee filters, Tea bags/ tea leaves, Grass Clippings, Fresh and Dead Flowers, Plant Trimmings, Prunings, Nut Shells (no walnut), Veggies/Fruits, Crushed Eggshells, Bread, Grain,

註2: 對Compost量需求少的人, 可以考慮用這個自動Compost機器

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