For decades, synthetic fertilizer – containing nitrogen, phosphorus, and potassium – has been used all over the world to increase crop yields. Plants need phosphorus to grow but using too much of it can harm the environment. Learn more about phosphorus by taking this quiz:
United Nations Environment Programme
- Kutuhusu
- Maeneo
-
Angaanga mada
- Hewa
- Cities
- Usalama dhidi ya vimelea
- Teknolojia
- Majanga na mizozo
- Nishati
- Mazingira yanayofanyiwa utafiti
- Haki na usimamizi wa mazingira
- Uchimbaji wa madini
- Food Systems
- Misitu
- Maji
- Jinsia
- Uchumi usiochafua mazingira
- Bahari
- Matumizi bora ya rasilimali
- Malengo ya Maendeleo Endelevu
- Usafiri
- Elimu na Mazingira
- Sayansi na Data