The other half were farmed organically, under conditions recommended by various organic food organisations, which meant using natural AIDS like manure instead of fertiliser.
另一半采用有机方法耕种，按照许多有机食品机构的建议，用天然物如粪肥代替农药。
2
WHO's work helps countries improve maternal, child and newborn health; to combat AIDS, TB and malaria; and to improve people's access to safe food, clean water, sanitation and essential medicines.