论文部分内容阅读
东北是我国大豆的集中产地,种植规模大、商品率高,也是油用大豆的最适宜区。提高高油大豆产量,除因地制宜选择优质高产、熟期适宜、抗病抗逆性强的高油大豆品种;播前精选种子;合理轮作、精细整地;适时播种及播前施足底肥等措施外,播后的田间管理也是确保高油大豆丰产的重要环节。 1.间苗 非精量播种的地块,在对生真叶展开至第一片复叶展开前进行人工手间苗,按计划密度一次定苗。
Northeast China is the concentrated origin of soybeans, planting a large scale, high commodity rate, but also the most suitable area for soybean oil. Increase the output of high-oil soybean, in addition to local selection of high-quality and high yield, suitable maturity, disease resistance and resistance of the high-oil soybean varieties; sowing before the selection of seeds; reasonable rotation, fine preparation; timely sowing and sowing pre-plant fertilizer and other measures In addition, field management after sowing is also an important part of ensuring a high yield of high-oil soybeans. 1. The seedlings of non-precision sowing plots, in the real leaf to the first leaf before unfolding artificial hand seedlings, according to the planned density of a Dingmiao.