Increasing yield in crops
Increasing yield in crops
Food production aims to increase yield, which is the amount of useful food obtained from crops or animals. For crop plants, yield usually rises when photosynthesis is faster and when less biomass is lost to pests, disease or bad weather.
Step-by-step lessons on Edexcel IGCSE Biology Food production. Each one builds up to exam-style questions. Start with the foundational cell biology and core content before moving on to the more data-heavy ecology, genetics and practical-skills topics, which carry a large share of the exam marks.