It was about one
acre in his garden, hedged in for planting vegetables.
他的花园中大约有一英亩的土地被他用树篱围了起来，用作蔬菜的耕种地。
Between 1450 and 1640 the yield of grain per
acre increased by at least thirty percent.
1450年至1640年间，每英亩谷物产量增加至少30％。
Apart from developing products that lower the chemicals needed to control weeds and insects, the company is also finding ways for organic farms, which create a lot more CO2 per acre than land cultivated by traditional methods, to both greatly lower their emissions and produce healthy foods.
The average output value per acre of fruiting tree reached 10,000 yuan, with the highest output value per acre hitting 50,000 yuan, according to the local government.
Currently, the average output value of cherries per acre in Beijing is 7,318 yuan, while the output value of cherries per acre in Shunyi has already exceeded 10,000 yuan.
"With our traditional ways of cultivation, we would normally produce about 60 baskets (1,260 kilograms) per acre.
With China's assistance, we have added nearly 50 baskets per acre," he said.
"The yield increased substantially to around 3,000 kg per acre, versus 2,100 to 2,400 kg per acre in previous years, with improved disease-and-lodging resistance," he said.
The USDA pegged corn production for the 2019/20 marketing year at 13.692 billion bushels, based on average yields of 168 bushels per acre.
Soybean production was 3.558 billion bushels, with average yields of 47.4 bushels per acre.
The USDA, in its monthly supply and demand report released on Thursday, pegged the US corn yield at 168.4 bushels per acre, compared with 168.2 bushels in September.
The USDA reduced its soybean yield estimate to 46.9 bushels per acre from 47.9 bushels last month.
In its crop report, the USDA lowered its US 2019/20 corn yield estimate to 168.2 bushels per acre, down from 169.5 bushels per acre in August.