Sandy farmland 第1页

Amount of Irrigation and Nitrogen Application for Maize Grown on Sandy Farmland in the Marginal Oasis in the Middle of Heihe River Basin Effects of cultivation regimes on weed community structures in newly reclaimed sandy farmlands 灌溉与施氮对黑河中游新垦农田土壤硝态氮积累及氮素利用率的影响