Explanation

• The time between the first and last irrigation of a crop is important for planning water schedules.
• It represents the entire irrigation period needed for crop growth.
• This period is called the Base Period.

Additional information:

• Base period helps in calculating water scheduling and canal supply.
• It varies for different crops and climatic conditions.

Last verified on 24-01-2026

Explanation

• The downward movement of water through soil layers is a key process in hydrology and agriculture.
• Water moves from the soil surface to lower layers due to gravity.
• This process is called Percolation.

Additional information:

Types of water movement in soil:

• Percolation – downward movement through soil
• Seepage – movement through soil horizontally or to groundwater
• Infiltration – water entering the soil surface
• Runoff – water flowing over the surface
• Capillary rise – upward movement of water

Last verified on 24-01-2026

Explanation

• Trench planting method is a common agricultural technique for planting sugarcane.
• In this method, trenches are dug, and sugarcane setts are placed in them for proper growth.
• This ensures better root development, water retention, and crop yield.

Last verified on 24-01-2026

Explanation

• A pheromone trap is an insect control tool used in agriculture.
• It releases chemical signals (pheromones) to attract insects.
• Specifically, it attracts male insects to disrupt mating and reduce pest population.

Additional information:

Common insects targeted by pheromone traps:

• Cotton bollworm – Male moths
• Fruit flies – Male flies
• Mango hoppers – Male insects
• Diamondback moth – Male larvae
• Rice stem borer – Male moths

Last verified on 24-01-2026

Explanation

• The Extension Department works to transfer agricultural knowledge to farmers.
• Its primary role is to educate farmers about modern farming practices.

Additional information:

Major functions of agricultural extension services:

• Farmer education and training
• Transfer of technology
• Field demonstrations
• Advisory services
• Awareness about new crop varieties

Last verified on 24-01-2026

Explanation

• A Participatory approach involves active participation of all stakeholders.
• In this approach, farmers and extension workers share ideas and feedback.
• Communication flows both from sender to receiver and receiver to sender.
• Therefore, communication in a participatory approach is two-way.

Last verified on 24-01-2026

Explanation

• An Extension Worker is a person who works to transfer modern agricultural knowledge to farmers.
• He acts as a link between agricultural experts and farmers.
• An extension worker usually belongs to the farming community.
• Therefore, an extension worker is considered a fellow farmer.

Last verified on 24-01-2026

Explanation

• “Ziraat Nama” is an agricultural television program of the Agriculture Department Punjab.
• The program provides guidance on crops, fertilizers, irrigation, and pest control.

Additional information:

• Ziraat Nama – Agriculture Department Punjab (TV)
• Khet Khet Haryali – Radio Lahore
• Kisan Time – Private agriculture-based show
• Zarai Maloomat – Radio Pakistan
• Agri Guide – Educational segments on PTV

Last verified on 24-01-2026

Explanation

• “Khet Khet Haryali” is a popular agricultural radio program in Pakistan.
• It focuses on farming techniques, crop management, and modern agriculture practices.
• The program is aired on Radio Lahore to reach farmers and rural communities in Punjab.

Additional information:

• Fasal Bima – Radio Peshawar
• Zarai Maloomat – Radio Faisalabad
• Kisan Digest – Radio Multan
• Soil & Crop Tips – Radio Karachi
• Horticulture Hour – Radio Islamabad

Last verified on 23-01-2026

Explanation

• Plant spacing affects light, air circulation, and yield.
• Different cropping patterns have different row-to-row and plant-to-plant distances.
• In the hexagonal pattern, plants are arranged in triangles, making plant-to-plant distance longer than row-to-row distance.

Last verified on 23-01-2026