Better irrigation can dramatically improve crop yield and about 40% of the world's food supply is currently derived from irrigated land.
更好的灌溉可以显著提高作物产量；目前，全球约40%的粮食供应都来自于灌溉地。
But no matter how much we maximize crop yield per acre, the limiting factor for food production is land.
但是不管我们如何最大化粮食亩产量，最大的制约因素还是土地。
This paper analyses the crop productivity and livestock productivity yield and food supply, on the other hand, we researches the food demand.
在分析该区植物性产品和动物性产品产量以及粮食总供给量的同时，研究了粮食需求量。
Rising demand for food and bioenergy makes it imperative to breed for increased crop yield.
随着食品和生物能源需求的上升，使得培育作物增加产量成为急需解决的问题。
The techniques of fertilizer application were improved, reasonable fertilizer usage contributed to crop yield and food quality significantly.
肥料应用水平有了明显提高。合理使用化肥，大大提高了农作物的产量，改善了作物品质。
In land scarce area, methods to increase cropping index, increase crop yield and increase planting area of wheat and sweat potato are adopted in order to increase food energy production.
在人多地少地区，粮食、饲料的供应通过增加复种、提高单产以及增加甘薯、小麦种植面积来解决。
The humble potato is in fact the world's fourth largest food crop, with a global annual yield of around 330 million tonnes.
生活中不起眼的土豆，其实是世界上第四大食用作物，全球范围内，每年产量约为3.3亿吨。
The humble potato is in fact the world's fourth largest food crop, with a global annual yield of around 330 million tonnes.
生活中不起眼的土豆，其实是世界上第四大食用作物，全球范围内，每年产量约为3.3亿吨。
应用推荐