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夏玉米是关中灌区主要作物,提高夏玉米产量,对农业生产具有重要意义。但目前在施肥上存在着不合理现象,不能做到适时适量和合理配合,肥料利用率低。1977年我们在户县井灌地区对夏玉米的养分分布特点和养分指标进行了初步研究,供合理施肥参考。一、玉米植株中养分
Summer maize is Guanzhong Irrigation District’s main crop, increase summer maize production, is of great significance to agricultural production. However, there is an unreasonable phenomenon in fertilization at present, which can not be done in a timely manner and in a reasonable manner with low fertilizer utilization rate. In 1977, we conducted a preliminary study on nutrient distribution features and nutrient indices of summer maize in the irrigated area of Huxian County for reference of rational fertilization. First, the nutrients in corn plants