Many chemicals are added internationally during production, processing or storage 10 improve the qualities of food stiff are termed as________?

The practice of producing two successive crops of same species from same piece of land in one year is called________?

Larvae with both thoracic and abdominal legs is________?

The sever salinity problem has taken lands out of production as________?

Journal of plant and soil is published from ________?

Soil reaction of preference of sugarcane is________?