常見例句雙語例句There was a range for parameters of fertilizer requirement, so it should be adjusted according to soil fertility and yield.需肥量參數(shù)具有較大幅度的變化，應(yīng)按照土壤肥力以及產(chǎn)量目標(biāo)來合理調(diào)整并確定這個重要參數(shù)。Based on the present status of decreasing marketing in chemical fertilizer, a primary prediction of fertilizer requirement in future 5~15 years is made at home and abroad.分析國內(nèi)外化肥市場銷量下降的原因，介紹有關(guān)部門對今后5～ 15年國內(nèi)外需求量的初步預(yù)測。Objective To study the fertilizer requirement characteristics of Polygala tenuifolia on nitrogen, phosphorous and potasium fertilizers to improve cultural practices in producing region.目的研究栽培遠(yuǎn)志對氮、磷、鉀的需肥特性，指導(dǎo)產(chǎn)區(qū)大田生產(chǎn)。 返回 fertilizer requirement