Question

The most common use of the plant "Dhaincha" or Sesbania bispinosa is in which among the following?
 A. Green Petrol
B. Green Manure
C. Medicine
D. Ornamental Plant

Answer 1

Hint: "Dhaincha" or Sesbania bispinosa are the most commonly grown crops in all seasons. It requires sufficient moisture in the soil for growth. Moreover, it helps in improving the physical properties of the succeeding crop as well as in fulfilling the nitrogen requirement of the crop.

Complete answer:
In India, Dhaincha or Sesbania bispinosa is generally grown as green manure. It is an herb grown around the year. It is a tall and branched herb having adaptation to heavy soils and wet areas. It plays a vital role in improving soil conditions as well as forms feed for livestock. During the scarcity period, it is also used as a fodder. Lectins are present in Sesbania species.
Compost can be replaced with the help of green manure thereby increasing the fertility of the soil. These agricultural practices are environmentally friendly. The use of herbicides and chemical fertilizers can be abridged by growing "Dhaincha" or Sesbania bispinosa crops as green manure.

Hence, the correct answer is option (B).

Note: "Dhaincha" or “Sesbania bispinosa” is in general used as green manure. These crops can be grown in a variety of soils but sandy loam to loamy soils gives the best results. Other significant green manure crops include Pillipesara, Sunn Hemp, Sesbania rostrata, and Cluster Beans.