Before you tag this as an 'already asked' question , please read all of it. It is a different case than other similar questions. I am making a farm scene.However , a problem occur when i render it. Here is an image of it.
As you can see from the image , the plants have a black layer covering it . But when i zoom out , the alpha work correctly again. Here is the image.
The node for the crops look like this.
What i want it to look like is the view in material tab .Here is the picture of the scene in material mode.
I just made a simple , smaller size and similar scene blender file. Here it is if you want to check it yourself and solve the problem.It is only 5mb size.Here's the link - https://www.mediafire.com/folder/7fm3j77t24l4m/Help (Please download the textures along with it)