Organic farming emphasizes the use of natural predators to control pests. For example, ladybugs are often used to ___ aphids. A. eat B. consume C. prey on D. swallow 相关知识点: 试题来源: 解析 C。本题考查词汇用法。有机农业强调使用自然天敌来控制害虫,例如,瓢虫经常被用来捕食蚜虫。“prey ...
3. Why different crops are grown is because they putimportant minerals back into the ground,make itready for thenext batch of crops种植不同的作物是因为它们把重要的矿物质带回土壤,从而使之适宜于种植下一批作物。4. The goal of using different organic farming methods isto grow good foodwhile ...
Urban Organic Farming in Austria with the concept of Selbsternte ("self -harvest"): An agronomic and socio-economic analysis\\ud In Vienna, consultants, organic farmers and green-minded consumers have developed a new concept of urban organic farming, called Selbsternte (`self-harvest... CR Vog...
(1)B.推理判断题。根据第三段Instead of chemicals,organic farming uses a lot of organic matter to give crops the nutrients that they need to grow.有机农业不使用化学物质,而是使用大量的有机物质来提供作物生长所需的营养物质;These fertilizers also help pro
4.状语从句的省略The goal of using different organic farming methodsis to grow good food while avoiding damag tothe environment or to people's health.用不同的有机农业方法的目的是种植优质食物,同时避免对环境或人体健康的损害。 反馈 收藏
What is an example of a technological innovation in plant protection mentioned in the passage? A. Pesticides. B. Organic farming. C. Genetic engineering. D. Crop rotation. 相关知识点: 试题来源: 解析 C。解析:文中提到的植物保护科技创新例子是基因工程,A 农药不是创新技术,B 有机农业不是科技,...
题目CHEMICAL VS ORGANIC FARMING Chemical pesticides(农药)and artificial fertilisers(人工化肥)have been in widespread use in farming since the middle of the 20th century.When they were first introduced,many farmers welcomed them as a great way to fight crop disease and increase production....
In problem areas these will be mostly farms focusing on production of cattle and milk, developing production based on very high share of grassland areas. Complementary role in relation to conventional agriculture will be fulfilled by farms developing organic farming and agro-touristic farms. More ...
aAll across the country in the 80s,similar projects got underway, yet the focus was not necessarily on soil organic matter and certainly not on organic farming. The concept beneficial re-use 所有全国各地在80s,相似的项目出发了,焦点必要不在土壤有机物上和一定不在有机耕田。 概念有利再用 [...
A literature search on organic animal health and welfare was performed in October鈥揘ovember 20... V Lund,A Bo - 《Livestock Production Science》 被引量: 174发表: 2003年 Outlining a Conception of Animal Welfare for Organic Farming Systems The concept of animal welfare refersto the animal's ...