人じん工こう授じゅ粉ふん

じ

ん

こ

う

じゅ

ふ

ん

Meanings

1

artificial pollination; hand pollination

Refers to the manual transfer of pollen, often in agriculture or horticulture, as opposed to natural pollination by insects or wind.

Artificial pollination is often carried out in fruit cultivation.

スイカの人じん工こう授じゅ粉ふんは朝あさ早はやく行おこなうのが効こう果か的てきです。

Hand pollination of watermelons is most effective when done early in the morning.

受じゅ粉ふん
受粉 is the general term for pollination, while 人工授粉 specifically means artificial or hand pollination.
自し然ぜん受じゅ粉ふん
自然受粉 means natural pollination (by wind, insects, etc.), contrasting with 人工授粉.

人じん工こう授じゅ粉ふん
Standard kanji spelling; 授粉 means 'pollination'.
人じん工こう受じゅ紛ふん
Variant with 受紛; likely a typographical or non-standard form. The standard is 人工授粉.

Compound of 人工 (じんこう, 'artificial') and 授粉 (じゅふん, 'pollination'). The kanji 授 means 'to give' or 'to bestow', and 粉 means 'powder' (pollen).