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为了适应我地区“二高一优一低”农业发展要求,发展高产、高效、优质、低耗的新品种,特引进玉米品种新新玉4号,以昌单5号作对照进行比较试验,鉴定新品种的适应性、早熟性、丰产性,为生产上推广良种提供科学依据。 一、基本情况 试验田属沙质土壤,前茬作物为蔬菜。4月8日采用人工播种,株行距30×50厘米,密度4600株/666.7米~2。5月8日定苗,666.7
In order to adapt to the requirements of “two high, one high and one low” agriculture in our region and develop new varieties with high yield, high efficiency, high quality and low consumption, we introduced the new maize variety Xinyuxinyu 4 to compare with Changdan 5, Identification of new varieties of adaptability, precocity, high yield, to promote the production of good varieties to provide a scientific basis. First, the basic situation Test field sandy soil, the former crop of vegetables. April 8 artificial sowing, spacing of 30 × 50 cm plant line, the density of 4600 plants / 666.7 m ~ 2. May 8 Dingmiao, 666.7