【摘要】 采用不同磷肥施用水平对通油803和通油1号两种玉米品种进行各项生长指标测试,结果表明:磷肥施用水平越高,茎粗增加越快;磷肥的增加可以起到增加穗位高度的作用;在大嗽叭口期到灌浆期,磷肥施用量增加,叶面积指数增加,到成熟期叶面积指数则下降。更多还原

【Abstract】 Adopting different P fertilizer level to examine every growth index of two kinds of corn of Tongyou 803 and Tongyou 1,the results showed that the level of P fertilizer was higher and the increase of stem diameter was faster;The increase of P fertilizer could play the role of increasing ear height;The amount of applying P fertilizer and the leaf area index increased in the period of from large bell to irrigation pulp,and the index decreased in mature period.更多还原