Rice yield reached the maximum at a leaf area index of seven to nine in indica-japonica cross variety, and at a leaf area index of about five in japonica variety, respectively.
Rice yield reached the maximum at a leaf area index of seven to nine in indica-japonica cross variety, and at a leaf area index of about five in japonica variety, respectively.
籼-粳稻杂交品种的叶面积指数为7~9时水稻产量最高而粳稻品种最佳叶面积指数为5。