1. The best time to try drifting is after a heavy rain, when the water yield becomes great and the water rushes fast.
2. Smallholders can achieve yield increases of a ton per hectare or more, while sharply reducing water and fertilizer use and greenhouse emissions.
3. Taking the growth of water consumption as zero, grain yield has increased by nearly 50 percent.
4. water yield
4. While Zhuji city boasts 70 percent of the world's fresh water pearl yield, its output value is below 10 percent.
5. He cautioned that besides the shrinking grain yield and crop acreage, water shortages and growing consumption would also pose a threat to food security.