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NETHOUSE CONSTRUCTION. Hydroponic farming. Kisan Mandi-Hokar.

Farmers all over the world are looking for ways to improve the efficiency of agricultural production, increase yields, quality, and marketable products.

Growing vegetables in the old manner – open field are currently ineffective.

In classic greenhouses – costly.

So, what is the solution? Well get there, but before


What is a greenhouse?

Green House


Green house

Israeli farmers came to Green house technology in an evolutionary way, through growing vegetables in simple film greenhouses without heating.

Which provides massive benefits like protection from abrupt and unexpected temperature changes, rains and storms, winds and typhoons, sun overheat, dry air and sunburn, birds and insects, diseases, etc.

However, such Greenhouses have a significant drawback for warm countries – they overheat during hot summer days and the plants feel uncomfortable in them, to put it mildly, arranging efficient ventilation in greenhouses is also not an easy task.

Especially in most Asian regions, greenhouse wouldn’t be much effective due the hot unstable climate, But here’s is the catch – it’s also a Must due the heavy rains and typhoons which can destroy the yield in a matter of minutes.

“So, what should I do?”

Combine both green and net house, we will get back to that soon. For now, let us learn about the Net House and its benefits.

Net House

There is a new, unconventional, inexpensive and very effective direction that appeared – growing vegetables in the open field but covered with a special net. Such structures are simple, low-cost and have many advantages compared with other types of structures of protected soil.

Growing vegetables in Net House allows you to achieve yields close to yields in conventional greenhouses, but as already mentioned, with construction costs significantly lower!

Replacing the film with a net made it possible to solve several problems and start growing vegetables on a completely different agrotechnical level with high yields and at a minimal cost.

Recently, Net House has become increasingly popular with farmers all over the world. For example, in Israel, in this type of cultivation facility, 80% of all green vegetable products have grown this method. Oddly enough, Net House began to receive the distribution and in more northern countries, for example, in the same Holland many hectares are closed with a grid and farmers are very pleased with this new type of cultivation facility.


Net House is the cheapest and most effective construction of protected ground that allows growing vegetables in the warm season using greenhouse technologies.



Such structures provide vertical shaping of plants, allowing the use of highly productive greenhouse hybrids of vegetables and accordingly, high yields – when the yield per square meter at Net House approaches that of crops grown in difficult and greenhouse complexes.



Net House allows you to reach a certain temperature stabilization during the day. During the daytime, the temperature at Net House is 3-6 degrees lower than outside, and at night it is 3-4 degrees higher than outside.



Excellent ventilation of the whole greenhouse volume.



Substantial savings in water and the cost of water distribution infrastructure per unit of cultivated products compared to irrigation systems for open ground. Growing a planned crop will require an average of 10 times smaller areas than in the open ground, respectively, reducing the cost of building the irrigation system, the cost of its operation, water consumption and fertilizers.



Protection from rain, hail, and protection from birds.



When using a Phyto protective net, protection against harmful pests accordingly, against diseases that they suffer. A sharp decrease in the cost of plant protection, the cost of purchasing pesticides and labor costs to of their use.



The possibility of growing organic products. The content of pesticide residues in fruits is close to zero and products meet the most stringent environmental standards and requirements.


Net House is made up of metal pipes mounted on a lightweight concrete foundation. (Colum foundation).

The structure includes a frame made of galvanized metal or painted pipes connected in a certain way by steel galvanized pipes and cables. Racks or pillars can also be made of wood or reinforced concrete.

The metal frame is covered with a Phyto protective net density of 40-50 threads per inch protecting the building from the penetration of insects and carriers of diseases into insects. The mesh is fastened together with special plastic fasteners.

For attachment to the frame aluminum profiles and special clips are used.

In recent years, vegetable plantings, even in the open ground, are badly damaged by such insect pests as scoops, whiteflies, thrips, and other insects.




These insects are also the main carriers of viral infections, such as tobacco mosaic virus and other infections, as well as contribute to the defeat of plants fungal diseases.

With insects, you can certainly fight with poisons, but then, the residual amounts of these poisons get into human food. Therefore, it is easier to hide the plants under the net than to apply toxic chemicals later, and plants already damaged by viruses transmitted by insect pests can no longer be cured and such plants die, reducing their yield and economic efficiency.

The roof structure can be flat or just like a house. For midland conditions and for the southern regions, we recommend greenhouses with a roof with slopes, as in this case, Net House will work much better in case of heavy rains. This is a model of “House”.

The side walls at Net House are made sloping to reduce wind load and make the greenhouse airy. The grid along the walls is buried to a depth of 30-40 cm.

A greenhouse is equipped with an entrance Phyto protective corridor with double doors for reliable protection against the entry of insects.

The installation of such a structure does not require a large number of workers and the time spent on installation is fast.

Low metal consumption significantly reduces the cost, but you need to consider the need to use high-quality metal.

 Particular attention should be paid to steel cables that provide durability, stability and reliability for the Net House.

The use of Net House protects plants from the pests and problems they cause. A sharp decrease in plant damage by pests and diseases they carry greatly reduces, and in some cases, completely exempts from the use of pesticides and chemical treatments, which seriously reduces the cost of production and, which is very much appreciated in recent years, allows you to get environmentally friendly products.

For the winter, in cold regions, the net can be removed, stored in a warehouse and installed in the spring, before planting the seedlings. Only if there’s a cold winter in your regions – snow, otherwise the net must be installed all year long.

You can grow more than 1 crop, and for several crops, it can be several crops per year.

It is a Net House which protects from insects, birds and all kinds of harmful pests.

The climate in Asia is pretty unstable and can be changed from warm sunny day to heavy rain or even a typhoon in a matter of minutes, moreover similar to some regions in the US, sometimes it’s been hit by natural disasters like volcano eruptions, storms, etc. for example, the last volcano eruption in PH – “Taal Volcano” caused yield losses to thousands of farmers, because of the ash interaction with water – this mix becoming deadly for the plants.

For this reason, we come up with a special house which turned in such cases from Net House into a closed Green House in semi-automated mode – by closing the net with automated polyethylene curtains and turned into a closed Green House which protects the plans of any harm and provides the ability of full climate control of the yield.

The benefits of such hybrid houses are unlimited.

The plants have enough ventilation and air to grow properly in regular Net House but also they protected in any case of climate change in a matter of seconds due to the automated curtains system controlled by smart sensors, timer set or push button.

The system can be fully automated without human touch, however, we usually not recommend it, due to the presence of agriculturists in the Green House anyway.

Such fully sensors automated system will increase the overall price of the Gree Nethouse which is not the most efficient way to grow your plants. In the very long term, it maybe will be efficient, but we always looking for short-medium term profits.



We recommend hiring one agriculturist for every 4-5 Green net houses, due to the sensitivity of the yield it’s a must to be in full control. It’s true that most of our systems fully automated, but it will be always some changes in climate, ph level, humidity, etc. These factors must be examined and adapt the system to the local conditions accordingly, obviously because we want to cultivate most of our yield and get the fastest returns on our investment.

I hope you learned something new today, in the next chapter we will talk about the Automation unit – what is it, how it works, and how difficult (or easy) to use it.

In short, the unit helps us to maximize the yield, by controlling the systems and by fixing simple human mistakes which can be fatal for the plants.



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