greenhouses the hobby greenhouse

... throughout the structure will influence the width of the greenhouse. Greenhouse Length Determine the length of the greenhouse by dividing the total number of plants to be grown in the greenhouse by the ... degrees). The eave height, the distance from the sidewall to the center of the greenhouse, and the roof pitch will determine the height of your gree...

Ngày tải lên: 20/04/2014, 13:55

... favorably located in the corner of the garden. Remove the coldframe portion from the top of the greenhouse. Place it over the plants to protect them from the night frost. If everything is timed right, they will ... three sides. The water reservoir, pump and distribution lines are built into the unit. The fan is located inside the box to draw the air through the pad...

Ngày tải lên: 20/04/2014, 16:25

... the beam and a movable counterweight on the other. The unit is placed under the misted area where water collects on the screen. The additional weight overcomes the counterbalance causing the ... connected to the beam then shuts the water off. When the misting stops, the water on the screen dries which reduces the weight on that end of the beam. When adequat...

Ngày tải lên: 20/04/2014, 16:15

... chapter explains the importance of these concepts and describes how and where they are used in Part II of the Project Protocol. The concepts presented here are also defined in the glossary in ... considered within the GHG assessment boundary, irrespective of whether they occur near the project, or at GHG sources or sinks owned or controlled by the project participants. Under th...

Ngày tải lên: 06/03/2014, 21:20

... legal form. The choice of the inventory boundary is dependent on the characteristics of the company, the intended purpose of information, and the needs of the users. When choosing the inventory ... will normally be the same as the ownership percentage. Where this is not the case, the economic substance of the relationship the company has with the operation always...

Ngày tải lên: 06/03/2014, 21:20

... 2009) The efficiency of the steam turbine is determined by the inlet steam pressure and temperature as well as the outlet pressure. The higher the ratio of the steam inlet pressure to the steam ... because the carbon originates from the wood or other cellulosic materials. The carbon in the spent pulping liquor exits the recovery furnace in two forms: (1) as C...

Ngày tải lên: 18/03/2014, 02:20

... than the amounts of carbon added to the pool. It is only the net growth in stored carbon that affects the atmosphere. If the amounts of stored carbon are constant, the carbon stored in the product ... arguably the most widely recognized corporate accounting standard for greenhouse gas emissions, covering accounting and reporting of the six greenhouse gases covered by...

Ngày tải lên: 24/03/2014, 05:20

... choose from. The second publication in the series, Irrigation Water Quality for Greenhouse Production (PB 1617), examines the effect of water quality on a greenhouse nutritional program. The third ... magnesium atom Therefore, for the plant to build one chlorophyll molecule, the leaves must take in carbon dioxide, for the carbon and oxy- gen; the roots must take in water,...

Ngày tải lên: 20/04/2014, 13:36

... floor level from the house. At night, the house can return some of the heat to the greenhouse. All the design principles for solar greenhouses apply to the attached greenhouse, except they may need ... built it into the Flagstaff greenhouse. The peak should be made about as high as the building is wide (north to south). Heat-storing materials in the back of the gr...

Ngày tải lên: 20/04/2014, 14:31

... throughout the greenhouse. (Plate 1 ). The size of the unit (BTU’s produced) and the degree of horizontal airflow in the greenhouse determine the number and the location of these units. The most ... used to mix the flue gases with the greenhouse air and then the mixture is introduced throughout the greenhouse. This system provides the flexibility to introduce...

Ngày tải lên: 20/04/2014, 14:35