Soybean with the scientific name Glycine max. This is an annual, dicotyledonous and herbaceous plant that is both grain and fodder.
planting
1- Land preparation:
Deep plowing and disc and troweling should be done before planting. which is important in increasing production.
2- Use of herbicide:
Before sowing the seeds containing etholfloralin or trifloralin should be mixed with the soil at a depth of 5 cm.
3- Soybean planting date:
Soybean is cultivated in spring and summer.
Early June is the spring planting date of soybeans, and the summer planting date is from mid-June to late July.
4- Planting method:
It is cultivated in two ways: hand spraying and row cultivation.
fertilization
Nitrogen:
The lack of nitrogen causes a decrease in growth, and due to its lack, chlorophyll is not made in the plant.
Of you:
Nitrogen is used to increase plant protein and reduces its oil.
Phosphorus:
It is very important for the formation of roots, flowers, seed protein supply and podding.
Potassium:
It needs a lot of potassium. It prevents the pods from falling and the amount of seeds increases and fills the pods. It increases the resistance of the plant against diseases.
Calcium:
It causes plant growth and increases its yield. Calcium element is necessary for the growth of seedling tuber.
Magnesium:
It is very effective for the formation of chlorophyll.
Manganese:
Lack of this element causes shortening and yellow leaves.
Sulphur:
In case of deficiency, especially in tropical soils, simple superphosphate can be given to the plant.
Iron:
Deficiency of this element causes yellowing of leaves and reduced growth. It plays an important role in the production of chlorophyll and plant respiration.
Molybdenum:
The lack of this element causes the leaves to turn yellow. It is important for the fixation of atmospheric nitrogen by bacteria
On:
The brown color of the leaves indicates the lack of this element.
Copper:
Deficiency of this element causes incomplete growth and reduction of the crop. Copper element activates enzymes.
on:
Lack of this element will lead to incomplete growth.
Cobalt:
A large amount of cobalt will make soybeans toxic.
Watering:
It is effective to increase the performance of adjusting the irrigation period.
It is effective to increase the performance of adjusting the irrigation period.
Soybean planting time:
The optimal temperature is about 30 degrees Celsius and the minimum soil temperature for soybean germination and greening is 15 degrees Celsius.
Soybean should be considered as the second crop, according to the harvest time of the previous crop, it will be cultivated from mid-May to mid-July.
Harvest:
Soybeans are usually harvested when the pods are yellow and dry, that is, their moisture content is reduced to about 12%. If the pods dry more than this amount, the dropping of the seeds will increase. Soybeans are harvested both manually and mechanically.
Among the fertilizers that are produced in Yadnegar Structures Company (Cinco) and can be used for soybeans. Urea phosphate, potassium sulfate, magnesium sulfate, magnesium acetate, copper sulfate, considering that complete NPK fertilizer has micronutrients. It is suggested.
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