论文部分内容阅读
水稻“三系”配套成功以来,经各地示范栽培已充分证明,水稻杂交种不论作中稻、一晚或二晚栽培,一般可比同等栽培条件下的常规品种增产2—3成。1976年,我省随县棉花原种场1.6亩中稻南优2号亩产1,503.6斤,比国际稻24亩产1,077斤增产39％;该场作一晚种植的南优2号24亩,平均亩产也达914斤。
Since the success of the “three lines” of rice, the demonstrative cultivation in various places has proved that the rice hybrids can produce about 2-3% more than the conventional varieties under the same cultivation conditions, irrespective of whether they are medium-sized rice or cultivated for one or two nights. In 1976, the province’s cotton production area of Sui County, 1.6 acres of rice Nanyou No. 2 mu yield of 1,503.6 kg, more than the international 24-mu yield of 1,077 cats increased by 39%; the field to make a night planting 24 acres of excellent No. 2, on average Yields up to 914 kg per mu.