こう収量 しゅうりょう品種 ひんしゅじゃないです
kō shūryō hinshujanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 高収量品種

1. It's not a high-yield variety.; It isn't a high-yielding strain.

Negative
Polite
Casual Register