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paddock grazing: A rotational grazing system that uses paddocks of equal area for grazing, followed by a rest period. This system improves pasture quality and productivity by preventing overgrazing and allowing for pasture recovery.

pollination: The action of pollinating a flower. Helpful content: Understanding pollination processes helps farmers optimize crop production. Ensuring effective pollination can lead to higher yields, better fruit set, and improved overall plant health.

pig iron: An impure iron produced in a blast furnace and used to produce steel. Understanding industrial processes like pig iron production aids in making informed decisions about farm equipment and infrastructure.

protoplast: A basic cell unit in a plant formed of a nucleus and protoplasm. Helpful content: Protoplasts are essential for plant growth and development. Farmers can utilize this knowledge in plant breeding and genetic research to improve crop varieties.

pikedressing pikedressing pikedressing: The practice of applying lime to soil. Using lime in soil management improves fertility and crop yields.

primary producer: A farmer who produces basic raw materials, e.g., wood, milk, or fish. Helpful content: Primary producers play a key role in the food supply chain. Understanding market trends, adopting sustainable practices, and improving production efficiency can enhance their economic viability and environmental impact.

persimmon: A native tree (Diospyros kaki) of Japan and China, which produces reddish-orange fruit, similar in appearance to tomatoes. The fruits are eaten either as dessert or may be cooked; they are very rich in vitamins. Growing persimmons provides a valuable fruit crop that meets market demand and offers nutritional benefits.

penicillin: An antibiotic, originally produced from a fungus, that controls bacterial and fungal infections (NOTE: Penicillin and the related family of drugs have names ending in -cillin: amoxycillin). COMMENT: Penicillin is effective against many microbial diseases, such as mastitis in cattle. Using antibiotics like penicillin helps in treating infections and maintaining livestock health.

Portland: A rare breed of sheep. Both sexes are horned, with brown or tan faces and legs. Helpful content: Portland sheep are known for their hardiness and adaptability to various environments. Farmers can benefit from raising this rare breed due to its resilience and the unique qualities of its wool and meat.

partial drought: In the UK, a period of at least 29 consecutive days when the mean rainfall does not exceed 2.54mm. Monitoring and managing drought conditions helps in planning irrigation and ensuring crop survival.