FRET
发表于 2025-3-30 12:04:06
,Bilanz — Spin ist tot, lang lebe Spin, yield gains have the potential to jump-start a Green Revolution like those experienced in Asia for rice and wheat. However, despite episodes of success, the evidence compiled here suggests that very little progress has been made toward achieving this potential in recent years. Reversing this condit
技术
发表于 2025-3-30 15:24:01
Untersuchungsdesign und Methoden,his study, we estimate the direct impact of the soil fertility on the maize yield and examine if the soil fertility increases the returns to inorganic and organic fertilizer based on comparative study of Kenya and Uganda. The results of the analyses indicate that the Kenyan maize farmers have applie