With adequate irrigation before seeding and no irrigation during wheat growth, four fertilization treatments at different soil depths, i.e., 10 cm, 10 cm+30 cm, 10 cm+30 cm+50 cm, and 10 cm+30 cm+50 cm+70 cm, were set up.
英
美
释义
在充足底墒水、冬小麦生育期内旱作条件下,设计了4个不同土壤剖面层次施肥处理,即10cm土层施肥、10cm+30cm土层施肥、10cm+30cm+50cm土层施肥、10cm+30cm+50cm+70cm土层施肥,每个土壤剖面层次的施肥量相同,研究了分层施肥对旱作小麦光合特性及产量的影响。
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