Cultivation of green beans in greenhouses.. Green beans are one of the most important leguminous crops, and they carry many health benefits, such as fighting cancer due to their high content of chlorophyll, treating bone problems and depression… and other benefits.. In this article, we will discuss how to grow green beans inside greenhouses, and the environmental and climatic conditions you need.
- This plant comes in the form of long, smooth and green pods. It is also called “French bean”.
- It was first discovered in South and Central America more than 7,000 years ago.
- Then its production developed after that; To become one of the most widely used types of plants and vegetables.
- Green beans are an important source of many vitamins and minerals.
- It also contains iron, calcium, magnesium, sodium, zinc, and others.
- Due to its beneficial nutrients, it contributes to the treatment of many diseases and problems of the heart and bones, among others.
Green beans need a set of basic requirements to grow them inside a greenhouse, including:
- Planting should be done in a moderately sunny area.
- The soil should be prepared for agriculture, and it is preferable that it has been previously fertilized to produce other crops.
- Having a temperature of 75:60% Fahrenheit; As low temperatures will lead to weak flower growth processes.
- The humidity should range between 60:50%, because its excess can lead to the spread of diseases and the failure of pollination.
- Plant one seed per 1.5 inches.
- The salinity should not be more than 6.8:5.5, as green beans are a plant that is very sensitive to salinity.
Irrigation of green bean soil
As for the irrigation requirements that this plant needs, they are as follows:
- For the amount of water; It should be between 300:200 mm.
- Drip system is preferred.
- The farmer needs to spare the green beans any water stress during the flowering and post-flowering stages.
- Green bean fertilizer consists of 2 cubic meters of compost and poultry spel (poultry waste).
- It also needs phosphate and potassium, in addition to agricultural sulfur.
- It will be beneficial to inoculate the plant with “Rhizobia” strain, as it contributes to nitrogen fixation in the soil.
- As for the levels of illumination, it should be available in high levels and for long periods during the day, ranging between 14:12 hours.
- The illumination intensity shall not be less than 2000 and not more than 2400.
It remains to point out that there are some pests that usually infect the green bean crop, and they need to be treated and dealt with directly if they appear; These include anthracnose, alternate leaf spot, black root rot, bean rust..etc. Some pests, especially deep ones, may cause stunted growth and leaf fall, and thus plant death.