题目Plants need soil to grow. What does soil provide for plants? A. food B. water and nutrients C. air and sunlight D. flowers and leaves 相关知识点: 试题来源: 解析 B。解析:土壤为植物提供水分和养分。选项 A 土壤不能提供食物,选项 C 空气和阳光不是土壤提供的,选项 D 花和叶子是...
根据第二段第三句“Thatammoniaprovidestheplantswithnutrients,restorespoorsoil,andbooststheplants'naturaldefensesagainstpestinsects.”(氨为植物提供营养,恢复贫瘠的土壤,并增强植物对害虫的天然防御。)可知,固氮细菌是环保的,故选D。14.【答案】A【解析】题意为:第5段中划线的“they”指的是什么?A.MPN外壳。B....
Here, we run through what essential plant nutrients are needed for growth and what each one does. 1. Carbon, hydrogen and oxygen (Image credit: Barry Winiker via Getty Images) The basis of healthy plant growth is access to the natural elements of air and water. These provide plants with ...
Soil testing can help determine what nutrients your soil needsLee Rouse
Plant Nutrients for Soil Fertility The most important of these (the ones that are needed in the largest quantity by a plant) are nitrogen, phosphorus, and potassium. If you have read the articles How Cells Work and How Food Works, you have heard about things like amino acids, cell membra...
A.Ways of keeping nutrients in the soil。B.Ways of reducing the amount of trash。C.Examples of different useful nutrients。D.Benefits of recycling food waste.D 段落大意题。由第三段可知,堆肥可以减少垃圾填埋,且堆肥有利于农作物生长,这些都是堆肥带来的好处....
plants on our planet get nitrogen from the soil,"meat-eating"plants can't.They live in places where nutrients are hard or almost impossible to get from the soil because of its acidity.So they've come to rely on getting nitrogen from insects and small animals.In fact,nutrient-rich soil ...
Like other living organisms, plants need air, water, and nutrients to thrive. Soil is the medium that delivers these critical elements to plant roots.Native soils are comprised of minerals, water, organic matter, and living organisms such as earthworms and beneficial microbes. The primary soil ...
How do pioneer species help develop soil? What are the factors that can affect climate? How does overcropping cause soil erosion? What determines which plants grow where? What nutrients cause eutrophication? How does overgrazing contribute to soil erosion?
What do plants convert absorbed nutrients into? In which process, does an organism produce another organism like itself? Plants are considered autotrophic because their cells contain what? Plants receive their nutrients mainly from where? What is not a root function in plants? a. to absorb ...