Genetic diversity in agricultural crops is threatened by

Thurioside is

What is required for nitrogen fixation by Rhizobium

A third generation pesticide is

Consider the following statements $(A-D)$ about organic farming.

$(A)$ Utilizes genetically modified crops like Bt cotton

$(B)$ Uses only naturally produced inputs like compost

$(C)$ Does not use pesticides and urea

$(D)$ Produces vegetables rich in vitamins and minerals

Which of the above statements are correct ?