HYDROPONICS HAWAIIAN STYLE

by gtadmin July 14, 2015

Having never been to Hawaii I was very pleased and excited to hear from Tim Star who lives on the island of Kauia. Tim and his wife, Ruby, natives of California and Kentucky, moved to Kauia in 1985 and started a music business in the town of Kapaa. After several very successful years, Tim, Ruby […]

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CULTIVATE HERBS AND SAVOR THE RETURNS

by gtadmin July 13, 2015

first began to grow herbs hydroponically about 40 years ago. But I didn’t notice a demand for fresh herbs by grocery stores and gourmet restaurants until the past 10 years. Cooks and gardeners in the average home are consuming and growing herbs more each year. With this rising interest worldwide, the demand for hydroponically grown […]

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THE HYDROPONIC HOME(MADE) UNIT

by gtadmin July 12, 2015

After designing and building so many large commercial hydroponic systems throughout the world, it’s often a nice change of pace to create small hobby systems for home use. They’re fun to make and even more fun to use and observe. And of course, when filled with a variety of plants, a home hydroponic garden can […]

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AVRDC NON-CIRCULATING HYDROPONIC SYSTEM

by gtadmin July 11, 2015

SUMMARY Thee AVRDC soil science unit developed a noncirculating hydroponics system which requires neither aeration, nor any check of pH, EC, temperature or nutrient. Once the facility is established, the only input required is the addition of nutrients once every three weeks. Composition of nutrient solution need not change for each crop. During 1986, soybean, […]

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CARBON DIOXIDE ENRICHMENT METHODS

by gtadmin July 10, 2015

CARBON DIOXIDE (CO2) Carbon dioxide is an odorless gas and a minor constituent of the air we breathe. It comprises only .03 % (300 parts per million, or PPM) of the atmosphere but is vitally important to all life on this planet! Plants are made up of about 80-90 % carbon and water with other […]

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SOILLESS CULTURE IN JAPAN

by gtadmin July 9, 2015

Introduction Soilless culture is, as readily seen from the term, a technique for crop production using no soil. In this method, crops are grown in the nutrient solution or on a proper medium where crops are planted and nutrient solution is applied. Therefore, soilless culture involves no work using such tools as spades and hoes, […]

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ROCKWOOL AS A SUBSTRATE FOR HYDROPONIC GROWING SYSTEMS

by gtadmin July 8, 2015

Introduction A substrate growing system is a hydroponic system where the root zone is physically supported by media. The plants are fed by applying nutrient solution to the media. This system is in contrast to an NFT (nutrient film technique) type hydroponic system where the root system is not supported by a growing media but […]

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GROWING STRAWBERRIES BY HYDROPONICS

by gtadmin July 7, 2015

Summary of a talk given by Rocky Caltieri, of Wandin, Victoria to the Hydroponic Society of Victoria in June 1987 Rocky, a commercial strawberry grower, started experimenting with hydroponics in the open in 1978. He set up an N.F.T. (nutrient film technique) system using 90mm PVC pipes as channels. With this system he achieved a […]

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A REVIEW OF FACTORS AFFECTING PLANT GROWTH

by gtadmin July 6, 2015

Marianne Ames, Graduate Fellow Wayne S. Johnson, Assistant Professor University of Nevada, Reno Growth is defined as an irreversible change in the size of a cell, organ or whole organism. It may also be the increase in cell number without changes in volume or weight. Commonly, growth is the increase in the amount of living […]

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LIGHTING INDOOR HOUSE PLANTS

by gtadmin July 5, 2015

Lighting Indoor House Plants House plants are extremely popular indoor decorations. Attractive and constantly changing, they add a softness of line and provide a bit of nature indoors. However, the ideal location of a plant for decoration may not be the ideal spot for plant growth. Lack of adequate light is the most common factor […]

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