A. Because it can waste more water. B. Because it is easier to operate for farmers. C. Because it can deliver water precisely to plants' roots and reduce water waste. D. Because it is the cheapest irrigation method. 相关知识点: 试题来源: 解析...
It is also shown that the shape of the irrigation water supply and demand schedules, the current equilibrium position and the size of the charge required to get to a socially optimum position all work against irrigation water pricing as a tool that can be used to reduce demand. These ...
For humans, water is also used for agricultural irrigation, industrial production, energy generation, transportation, and recreation. Therefore, water is extremely important. 18. 1. Water pollution: Industrial wastewater, agricultural runoff, urban sewage, and other pollutants enter water bodies, leading...
Irrigation scheduling is the science of determining when to irrigate, how much to apply, where to apply, and for what purpose. The purpose may be to maximize land productivity (yield per unit land), water productivity (yield per unit water used), net profit, and/or quality and marketability...
如果对题目有疑问，欢迎来提出你的问题，热心的小伙伴会帮你解答。
Disconnected floodplains then have to be irrigated, and when irrigation water comes from groundwater aquifers, we risk overdrafting them, and aquifer compaction results. And a compacted aquifer in the basin cannot be recovered,” he says. “The compaction of global aquifer basins is irreversible....
aThe amount of water needed on earth depends on the number of people, animals, and plants that consume it. Although there are places with a lot of water, most places on earth have very little. That is why it is important to take care of water and not waste it.[translate]...
Why was irrigation important in Mesopotamia? Why are the Egyptian pyramids important? Why was Osiris important to ancient Egypt? Why was religion so important in ancient Egypt? Why was the city of Meroe important to the Kushites? Why is Giza important? Why were pyramids important to the ancien...
it has been playing an effective role in flood control and irrigation, making Chengdu Plain a fertile land free from drought and flood and one of the most important grain producing areas in China. As the oldest water conservancy project in the world which is still in use and has no dike ...
By Steven Ho2 hours ago 50+ Adorable DIY Dollar Tree Easter Decorations for Kids to Make By Elaine ByersSep 22, 2022 45 Adorable Valentine's Gifts for Coworkers That They Will Love By Elaine ByersSep 24, 2022 Weddings & Wedding Planning ...