【摘要】 通过正交试验,研究了2种肥力土壤条件下不同种植密度和不同氮、钾养分供应对西芹产量形成的影响,以及氮钾锌配方施肥与西芹产量的相关性。结果表明:在高肥力土壤条件下,西芹的最佳栽培处理组合是每667 m2种植密度为5 211株,氮、钾肥的施用量分别为N 15 kg、K2O 12 kg;在低肥力土壤条件下,西芹的最佳栽培处理组合是每667 m2种植密度为5 211株,氮、钾、锌肥的施用量分别为N 25 kg、K2O15 kg、ZnSO4 2 kg。更多还原

【Abstract】 Orthogonal designed for researching planting density and factors of N and K effects its yield.And single factor designed for researching the relativity between N,K,Zn formular fertilization effects its yield.Form this experiment,the best fertilization of level in high fertilization soil is 5211 stems per 667 m2,15 kg nitrogenous fertilizer per 667 m2 and 12 kg K2O per 667 m2.The best fertilization of level in low fertilization soil was 25 kg per 667 m2 nitrogenous fertilizer added 15 kg K2O and 2 kg ZnSO4.更多还原