Excess use of ______ cause water and land pollution.

The process of loosening  the soil

The process of cutting and gathering a matured crop is known as _____ .

There are _______ different techniques that are used in plant improvement.

________ensures uniform irrigation.

Before ______ the land must be watered.

_______ is growing faster than its ability to produce rice and wheat.

_______ check the quality and standard for agricultural products.

The most important step of crop production is

______are the undesirable plants growing naturally along with crops.