What are three ways for improving acid soil for crop production?

I'm studying for my biology test and I was wondering, How does the following improve soil fertility: -ploughing in stubble ra...

Black soil is very helpful in the cultivation of which cash crop ?

What are the three largest cells in the world and what are the three smallest?

This is really random but can water dissolve substances in all three states? It's a yes or no wuestion only...Thanks =)

Can someone tell me what hypochlorus acid is in simple language? I have to write a essay on it and I dont really understand i...

Since an electrical current can cause some molecules to fuse together, do you figure it would be enough to actually turn the ...

RT, a bag of white powder suspected hypoxanthine, several simple identification method!

I am doing a practical science write up for school and we have to include inferences (why the reaction happened) I need fast ...

Which acid is the most corrosive when comparing to human flesh? Anybody remember the movie "Aliens" ? That acid was unrealist...

What do you think of this? (from news.com.au) AMERICANS could one day be filling their tanks with the genetically modified ...