Soyabean Climate Requirements

Soyabean is best grown in warm and moist climates and does not require intense care for hardy growth, much like other members of the oil seed and pulses family. This is because it can grow even with minimum agricultural inputs and requires very little management to result in a profitable crop for its grower.

Soyabean is considered one of the most stable kharif crops of India. Unlike other Kharif crops, soyabean yields are a cost effective production in varied agro-climatic regions .Scientifically, soyabean belongs to legume family, hence is capable of meeting its nitrogen requirements from the surrounding atmosphere and also helps in building soil fertility. The temperature ranging from 26.5 to 30°C is considered favorable for most of the soyabean varieties. It requires a minimum 15.5°C soil temperature for rapid germination and growth.  The minimum temperature for effective growth of soyabean crop is 10°C.Below optimum temperature for soybean might result in delayed flowering. Its growth also depends on day length as they are short-day plants.

The life cycle of a Soyabean plant can be divided into 9 distinct stages from germination to physiological maturity:

  • Emergence
  • Unifoliate
  • Flower induction
  • First flower
  • First pod
  • First seed
  • End leaf
  • End pod
  • Physiological maturity

Day length also plays an important role in soyabean crop production. Their yield is good enough where the length of day is less than 14 hours. Latest research results have proven that last week of June is best for planting soyabean in North India for maximum yield.

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