in the four focus countries under rizhc the government played a pivotal role in organizing and facilitating the preparation of the country study on nus at the national level coordinated by the national focal point of the zero hunger challenge including the nomination of a competent national institution and expertise to undertake and finalize the country study on nus nominated international experts were grouped by discipline to offer technical assistance to support the country on prioritization through interdisciplinary reviews from an agricultural production and ecological perspective the fao special ambassador in the international year of pulses icarda international crops research institute for the semiarid tropics icrisat bioversity international bl the university of western australia uwa and the chinese academy of tropical agricultural sciencestropical crops genetic resources institute catastcgri joined as partners to support the international review on agricultural traits and climateresilience of nus from a socioeconomic perspective the international centre for integrated mountain development icimod crops for the future cff and the international tropical fruits network tfnet served as partners to support the international review