What combination of soil characteristics is often ideal for successful crop production?

The combination of good drainage and adequate nutrient supply is critical for successful crop production as it ensures that plants have access to both water and essential nutrients necessary for growth. Good drainage helps prevent waterlogging, which can suffocate roots and lead to plant diseases, while also allowing for the proper aeration of the soil.

Alongside this, an adequate nutrient supply ensures that crops receive the necessary macronutrients such as nitrogen, phosphorus, and potassium, as well as micronutrients crucial for various physiological functions. This balance is key in creating an optimal environment that promotes healthy root systems and maximizes plant growth and productivity.

In contrast, the other combinations mentioned do not provide the same beneficial conditions for crop production. High water retention may lead to oversaturation and poor aeration, while high compaction can restrict root growth and reduce water infiltration. Low permeability and high bulk density can also hinder root access to water and nutrients. High acidity and sandy texture can make it challenging for plants to thrive, as sandy soils often drain too quickly and hold fewer nutrients, particularly in acidic conditions.