translate English to French: N2OTILL = ∑ [(NFERT,i + NMAN,CROPS,i + NRES,i) * (EFBASE,i * FRACNT-RT,i * (FTILL - 1))] * 44/28 where:
N2OTS = ∑ [(NFERT,i + NFUM,REC,i + NRES,i) × (CEBASE,i × FRACNT-RT,i × (FTS - 1))] × 44/28 où :