TYPES OF GREENHOUSE DESIGN STRUCTURES

Typical structures include:

• Hoop House or Quonset: A semi-circle design usually covered with a single layer of polyethylene film or with a double layer of film separated by an air layer maintained by asmall fan for insulation. Used for low crops: potted plants, lettuce, etc


• The Arch: A semi-circle design elevated by side walls. Can grow higher crops: taller potted plants, vining tomatoes, cucumbers, peppers, etc.


• Gothic Arch: A variation on the Arch with more rounded side walls.
  


• Ridge and Furrow or Gutter-Connected: Several gable (or arch style) greenhouses connected together usually with no internal separations between the bays. Used for high crops such as vining tomatoes, peppers and cucumbers
  


• The Gable: A structure with side walls and a peaked roof. Optimum for high crops including vining tomatoes, cucumbers, peppers, etc.Several gable (or arch style) greenhouses connected together usually with no internal separations between the bays. Used for high crops such as vining tomatoes, peppers and cucumbers.


• Sawtooth Design: A variation of the gutter-connected style with tall vents on the vertical sections of the roof to allow for natural ventilation. Used for high crops such as vining tomatoes, peppers and cucumbers.


• Geodesic Design : This shape is another type of alternative greenhouse shape. But its not suitable for the large scale, commercial grower.

STRUKTUR RUMAH LINDUNGAN - Memahami Konsep 'Pertanian Berpelindung' / GREENHOUSE STRUCTURES - Understanding The Concept Of 'Protected Agriculture'

Definasi 'Pertanian Berpelindung' adalah 'pengubahsuaian terhadap persekitaran kawasan tanaman untuk mencapai tahap pertumbuhan yang lebih baik dan terkawal'. Teknik-teknik contoh Pertanian Berpelindung adalah termasuk:

1. Sungkupan atau bahan sintetik maupun organik yang diletakkan atau dihamparkan atas tanah di sekeliling tanaman untuk menghasilkan keadaan yang lebih sesuai untuk pertumbuhan tanaman yang hendak ditanam serta menghambat pertumbuhan tumbuhan liar yang akan 'mencuri' baja yang akan diberi seperti rumput, lalang dan sebagainya.
2. Lapisan penapis cahaya yang melindungi tanaman dari sinaran cahaya yang terlalu tinggi
3. Baris lapisan penutup plastik untuk melindungi anak pokok dari kesejukan pada awal misim dingin
4. Struktur atap berpelindung dari plastik tetapi terbuka di bahagian tepi untuk melindungi tanaman dari hujan.
5. Struktuk berpelindung yang tertutup sepenuhnya. Ia dikenali sebagai Rumah Hijau
6. 'Penanaman Persekitaran Terkawal' (CEA) - Kawalan paling sempurna dalam 'Pertanian Berpelindung'. Pertumbuhan tanaman, selalunya di dalam rumah hijau adalah tertutup sepenuhnya, dengan kawalan dari segi suhu, kelembapan, bahagian-bahagian gas, pencahayaan, pengairan, media penanaman & pemberian larutan zat/pembajaan yang tepat, disukat & terkawal dari setiap tahap usia tanaman di bahagian atas (aras daun, batang & pembuahan) serta di bahagian bawah (aras perakaran) ____________________________________________________________________
   

The definition of Protected Agriculture is: 'the modification of the natural environment to achieve controlled or improved plant growth.' Protected agriculture can include:

1. Mulches of organic or synthetic materials placed on the soil around the plants to make conditions more favorable for plant growth.
   
2. Shade cloth to protect plants against high light intensity.
   
3. Plastic row covers to protect young plants against the cold early in the season
4. Open-sided, plastic roofed structures to protect against rain
5. Totally enclosed structures, or “greenhouses”
6. Controlled environment agriculture (CEA): The “ultimate” in protected agriculture. The growing of plants, usually in a greenhouse or totally enclosed structure (e.g., growth chamber), with control at the aerial and root levels of temperature, humidity, gas composition, light, water, growing medium and plant nutrition

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