NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT JEE. Get PDF and video solutions of IIT-JEE Mains & Advanced previous year ...
their moon soil, planting more thale cress before possibly moving on to other plants. A scientist said, “Growing plants is a big step forward. The real next step is to go and do it on the surface of the moon.” 相关知识点: 试题来源: 解析 答案见上 反馈 收藏 ...
Learn what an automation platform is and how to utilize digital automation to optimize your business performance and workflow.
An alkaline solution is a mixture of base solids dissolved in water. The potential of hydrogen, also known as the pH scale, measures the alkalinity or acidity level of a solution. The scale ranges from zero to 14. The midpoint 7 represents a neutral pH. A neutral solution is neither an ...
Nutrient management is the practice of applying nutrients, also known as fertilizing, when crops most need it while minimizing the effect on both local and surrounding areas. Applying the proper amount of fertilizer to a crop at the right time can maximize the yield. Improperly fertilizing crops ...
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Nutrient Film Technique (NFT) is a versatile and familiar hydroponic system. Today, I'll get down to the details of this interesting soilless system.
(c) When a longitudinal wave passes through a medium (liquid or gas) write down the expression for the pressure amplitude of the wave. View Solution What is Reynold's number? Give its significance. View Solution State what is apomixis. Write its significance. How can it be commercially used...
What Is Nutrient Lockout? Nutrient lockout is one of the most common problems that growers can face. It can be frustrating, especially if you’re a beginning grower and you can’t figure out what is wrong. Essentially, when your plants areexperiencing nutrient lockout– they’re unable to in...
The improved conservation and management of soils is among the great challenges and opportunities we face in the 21st century. Soil is... a Recipe with Five Ingredients Soil is a material composed of five ingredients — minerals, soil organic matter, living organisms, gas, and water. Soil ...