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Agronomy
Step-by-step How to Grow Grass pea
Agronomy

Step-by-step How to Grow Grass pea

Agriculturist Musa June 8, 2018

Contents

  • 1 How to Grow Grass pea
    • 1.1  
    • 1.2 Importance of Grass pea Production 
    • 1.3 Origin of Grass pea
      • 1.3.1 Variety of Grass pea
    • 1.4 Climate for Grass pea Production 
    • 1.5 Soil for Grass pea Production 
    • 1.6 Land preparation for Grass pea Production 
    • 1.7 Fertilizer Application for Grass pea Production 
    • 1.8 Disease and Pest control for Grass pea Production 
    • 1.9 Harvesting of Grass pea 
    • 1.10 Yield of Grass pea 

How to Grow Grass pea

 

Scientific name: Lathyrus sativus L. 
 
Family: Leguminosae. 
 

Importance of Grass pea Production 

 
Grass pea (Lathyrus sativus L.) is a crop of immense economic significance, especially in developing nations including India, Bangladesh, Pakistan, Nepal and Ethiopia. It serves a variety of purposes including food, feed and fodder, owing in part to its nutritive qualities. Prior to domestication, the crop was presumably present as a weed among other pulse crops.  
 

Origin of Grass pea

 
The origin of Lathyrus sativus is unknown; However, its presumed center of origin is south west and Central Asia (Smartt, 1990). Its chromosome complement is 2n = 2x = 14. 
 

Variety of Grass pea

 
BARI khesari 1, BARI khesari 2, BARI khesari 3, BARI khesari 4. 
 

Climate for Grass pea Production 

 
Grass pea, inherently capable of withstanding temperature extremes is grown across diverse regions that receive an average annual precipitation ranging from 300 to 1500 mm. In addition to remarkable tolerance to drought, Lathyrus has tolerance to excess precipitation and flooding. It thrives best in areas with 10­-25°C (Kay, 1979). The mean temperature fluctuations during the growing season ranges from 30 to 10°C with annual rainfall ranging from 600­-1200 mm (Telaye, 1988). 
 

Soil for Grass pea Production 

 
Grasspea grows well on almost all types of soil and in areas receiving 380-­650 mm. Loam to clay loam soil are good for grasspea cultivation. It is a hardy crop suited to dry climates, producing good seed crops on poor soils. Grasspea is commonly cultivated on heavy clay soils. Black deep retentive soils are considered best for grasspea (Duke, 1981). It is sensitive to acidity and requires lime on acid soils (Duke, 1981). It has a hardy and penetrating root system suited to a wide range of soil types including very poor soil and heavy clays. 
 

Land preparation for Grass pea Production 

 
Generally the crop may be sown as pure or in mixed stand often into a standing rice crop. For single crop cultivation 3­4 Ploughing with laddering should be done. 
 
Time of sowing 
 
•        For relay crop: Mid October to November. 
 
•        For single crop: November to December.
 
Method of Sowing 
 
•        The crop may be sown broadcasting as pure or in mixed stand often into a standing rice crop one to two weeks before rice is ready to harvest.  
 
•        For line sowing, Row to Row space 50 cm. 
 
Seed rate 
 
•        40-­50 kg/ha. 
 

Fertilizer Application for Grass pea Production 

 
Fertilizer               Quantity/ ha 
 
Urea                     40­-50 kg 
 
TSP                       80-­85 kg 
 
Mop                    30-­40 kg 
 
Biofertilizer       Adequate amount
 
All fertilizer should be applied in final land preparation. For first time grasspea cultivation, 100 g (for 1 kg seed) biofertilizer may be applied. 
 

Disease and Pest control for Grass pea Production 

 
Major fungal diseases of grasspea are grey mold, rust, powdery mildew and downy mildew. Spraying Redomil MZ (2 %) 3 times at 12 days interval for Downy mildew disease. 
 

Harvesting of Grass pea 

 
Time: The crop are harvested in Mid-February to Mid-March. 
 
Maturity symptoms: Seeds of grasspea are harvested as soon as the leaves begin to turn yellow and when pods are not fully ripe as fully ripe pods dehisce and scatter the seeds (Kay, 1979).  
 
Method: It is harvested with sickle or uprooted, left to dry for a few days in heaps and then threshed and winnowed. 
 

Yield of Grass pea 

1.5­2 ton/ ha.

Useful Agricultural Websites

Online Agricultural Study

Food and Agricultural Organization

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About The Author

Agriculturist Musa

Agriculture is the key development in the rise of sedentary human civilization. As an agriculture student, I want to make a positive footprint in the young agriculturist community through this blog.

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