
Vegetable crops mature earlier in soilless gardens than they do in soil. A sowing and planting programme for the household should take account of this fact so as to ensure that a continuous supply of fresh produce is available at all seasons. In Florida, growers obtain hydroponic tomatoes seventy days after planting seedlings. Californian experience shows that tomato fruits will be ready within sixty days or two months. Lettuces raised in hydroponics in England have produced good hearts a week or ten days earlier than similar sowings made in soil. French beans and radishes produced in United States Army soilless gardens took only thirty-five days to mature.
High yields are characteristic of hydroponics. With due care and proper growing conditions, your tomato plants can yield up to thirty pounds of fruit each. In commercial units it is common to get harvests of as much as two or three hundred tons per acre. Similar results have been secured with other crops.
Seeds vary greatly, according to variety and quality, in the time they take to germinate. Never buy doubtful seeds from unreliable firms—it is a waste of money. Always get fresh ones of guaranteed origin. Here are some average germination times for seeds in hydroponic home gardens:
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