Pupuk dan Cara Pemberian Pupuk

Open Ended

What is the significance of crop yield in the context of agronomy, and what are the potential impacts if crops are continuously harvested from the land? How can these impacts be addressed?

Multiple Choice

Based on the table of nutrient removal per ton of agronomic yield, which crop removes the highest amount of potassium (K) from the soil?

• Leguminose

• Rumput

• Kacang tanah

• Jagung

Open Ended

Explain why repeated harvesting can lead to nutrient depletion in soil and what agronomic practice can help restore soil fertility.

Multiple Select

Which of the following materials can be used as ameliorants to improve soil fertility, aside from fertilizers? Select all that apply.

• Pasir

• Kapur

• Dolomit

• Urea

Fill in the Blank

Tanaman agar dapat tumbuh normal harus didukung oleh kesuburan tanah yang baik. Tanah dikatakan subur jika unsur hara dalam tanah dalam keadaan ___, jumlahnya cukup dan proporsinya seimbang.

Open Ended

What is the difference between macronutrients and micronutrients for plants?

Multiple Choice

Which of the following is an example of a single-nutrient fertilizer?

• Urea

• NPK Phonska

• Kalium Nitrat

• Dolomit

Multiple Choice

Which fertilizer contains the highest percentage of K2O among the examples shown?

• Gandasil D

• Kieserite

• Meroke MOP

• ZA

Open Ended

Explain the difference between organic and inorganic fertilizer composition as described in the slides.

Multiple Select

Select all correct statements about the sources of fertilizers:

• Guano is an example of a natural fertilizer source.

• Urea is produced through a synthetic process in factories.

• Compost is made from plant waste and is a natural source.

• Super Phosphate-36 is a natural fertilizer.

Fill in the Blank

NPK fertilizers can be found in ___ and liquid forms.

Open Ended

Describe the concept of '5 Tepat' in fertilizer application and its importance for efficient fertilization.

Multiple Choice

Which type of fertilizer is recommended for application before planting due to its slow nutrient release?

• Urea

• ZA

• Posfat alam

• Super Phosphate-36

Open Ended

Explain how to calculate the required dose of nitrogen fertilizer for a plant if you know the amount of nitrogen needed by the plant and the amount available in the soil.

Multiple Choice

What is the main factor that determines the amount of fertilizer to be given to a plant?

• The deficiency of nutrients in the soil required for normal plant growth

• The price of fertilizer

• The type of crop only

• The weather conditions

Fill in the Blank

Urea contains ___ percent nitrogen (N).

Multiple Choice

During which plant growth phase is the need for potassium (K) the highest compared to nitrogen (N) and phosphorus (P)?

• Vegetative phase

• Early generative phase

• Late generative phase

• Seedling phase

Multiple Select

Which of the following are advantages of applying fertilizer using the broadcasting method?

• Suitable for shallow-rooted plants

• Ensures even distribution of fertilizer

• Reduces fertilizer loss due to evaporation

• Best for small-scale farming

Multiple Choice

What is the main difference between top dressing and side dressing in fertilizer application?

• Top dressing is applied before planting, while side dressing is applied after planting

• Top dressing is applied to the soil surface, while side dressing is applied beside the plant

• Top dressing uses liquid fertilizer, while side dressing uses solid fertilizer

• Top dressing is only for rice, while side dressing is for all crops

Multiple Choice

Which fertilizer placement method is generally used for dry land with deep-rooted plants?

• Plow sole placement

• Deep placement

• Sub surface placement

• Contact placement

Multiple Choice

Match each fertilizer placement method with its corresponding image: plow sole placement, deep placement, sub surface placement.

• Plow sole placement - left image, Deep placement - middle image, Sub surface placement - right image

• Plow sole placement - middle image, Deep placement - right image, Sub surface placement - left image

• Plow sole placement - right image, Deep placement - left image, Sub surface placement - middle image

• Plow sole placement - left image, Deep placement - right image, Sub surface placement - middle image

Open Ended

Explain the difference between contact placement and band placement of fertilizer.

Multiple Choice

Which of the following statements about hill placement, row placement, and ring placement is correct?

• Hill placement applies fertilizer along the entire row.

• Row placement applies fertilizer on both sides of the seed.

• Ring placement applies fertilizer in a circle around the plant.

• Hill placement applies fertilizer in a circle around the plant.

Fill in the Blank

Fill in the blank: Fertilizer placement in a hole made with a dibble stick is called ___ placement.

Open Ended

Describe the process and purpose of fertigation in liquid fertilizer application.

Open Ended

What is the impact on soil and crop yield if agricultural products are continuously harvested from the land without proper management? How can these impacts be addressed in agronomy?