The correct options are
B Groundnut
C Coconut
∙ Natural organic manures are generally divided into two types. One is concentrated organic manures and the other is macro organic manure.
→ Groundnut, gingili, castor, coconut, neem, jatropha seed powders are the examples of concentrated organic manures. These are also used as fodder for cattle and poultry.
→ Animal excreta, compost, deep litter are the examples of macro organic manure.
∙ Nutrients are richer in the concentrated organic manures compared to macro organic manure.