Consider the following statements about Laterite Soil:

1. Humus content of the soil is removed fast by bacteria that thrive well in high temperatures.

2. These soils are poor in organic matter, nitrogen, phosphate and calcium.

3. Red laterite soils in Tamil Nadu, Andhra Pradesh and Kerala are more suitable for tree crops like cashew nuts.

4. The laterite soils develop in areas with high temperatures and high rainfall.

How many of the statements given above are correct?