high-yield variety
Technical term used in agriculture and crop science for cultivars bred to produce high yields.
In this region, the introduction of high-yield varieties led to a significant increase in rice production.
Similar meaning, but 多収量品種 emphasizes 'many' or 'abundant' yield, while 高収量品種 emphasizes 'high' yield per unit.
Compound of 高 (high), 収量 (yield), and 品種 (variety). A straightforward modern technical term.