irrigation frequencyとは 意味・読み方・使い方

To obtain a nursery sheet which secures the water retainability of nursery bed, improve the germination of seeds, save the human labor force by decreasing both of irrigation frequency and the mass of the nursery bed for the period of raising seedlings and do not negatively affect the growth and development of plants and a nursery bed.例文帳に追加

育苗床の保水性を確保し、種子の発芽性を向上させ、更に育苗期間中、灌水の回数および育苗床の質量を低減させることで人的労働力を低減させ、且つ植物の生育に悪影響を及ぼさない育苗シートおよび育苗床を得る。 - 特許庁