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夺取带田玉米高产是提高带田种植水平的重要方面。近两年来,我们对带田玉米氮素化肥的施用时期,施用数量及经济效益方面进行了一些试验,现报告如下。一、试验方法:带田为五尺带。玉米带宽二尺四寸,种两行,行距八寸,株距七寸;垄高二寸。东西带向。供试作物小麦为斗地一号,玉米为武105×金03单交种。小麦在三月二十二日播种,七月
To seize the high yield of field corn is an important aspect to increase the planting level of the field. In the past two years, we conducted some tests on the application period, the amount of application and the economic benefits of nitrogenous fertilizer with field corn as follows. First, the test method: Take the field for five feet. Corn two feet four inches wide, two kinds of lines, spacing eight inches, spacing seven inches; ridge height two inches. Something to Wheat for the trial crop for the first battlefield, corn for the Wu 105 × gold 03 single cross-species. Wheat is sown on March 22, July