菏泽地区夏大豆亩产200kg的栽培措施研究

1986～1990年我们进行了夏大豆品种、密度、施肥、灌水等主要栽培措施与综合丰产的研究与应用,认为菏泽地区夏播大豆由于可供其生长的时期相对较短,以选用生育期100天左右,株形紧凑的品种,适当增加密度,较易获得每亩200kg以上的稳定产量。栽培措施要点是:以增加群体密度、采用氮磷配合施用;有机肥、无机肥与微肥配合施用,以提高光合与固氮能力,并使植株生长稳健、营养与生殖生长协调,促进养分向生殖器官输送。花荚期叶面施肥与结荚、鼓粒期迂旱浇水,延长叶片与根瘤的功能期,使养分充分运入籽粒,以提高粒重,充分发挥大粒品种籽粒的养分贮藏功能。

STUDY ON THE CULTURAL TECHNIQUES FOR 200kg/mu YIELD OF SUMMER SOYBEAN IN HEZE AREA

Study on cultural techniques for 200kg/mu yield of summer soybean were conducted from 1986 to 1990. The results were:In Here summer sowing area, varieties .chosed having nearly 100 days growth period compact plant-shape and thick plaining, were essential for 200kg/mu yield. Enlarging high planting rate population, photosynthesis promotion high arid N fixation ate main object. Combined application of N aad P. also combined application of organic matter, mineral N and trace elements could promote photosynthesis aad N fixation and making plant growth to be normal isnd strong, causing balance vegetative growth and reproductive growth so that transpotion of nutrient into reproductive organ can be pro-moted. Foliar fertilization durring blooming stage &podding stage, and irrigation dur-ring podding &. seed filling stage for lengthening the functional time of leaves and rhizo-bial nodules so nutrient substence can transport into seeds fully to increase seed weight.