Plants for Food and Fibre

why do we need nitrogen in fertiliser

• Plant need nitrogen for respiration

• help plant to produce its proteins and to resist from plant disease

• help plant produce chlorophyll and its other proton

Why do we need phosphorus in fertiliser

• helps root to grow and help crops to ripen

• help plant produce chlorophyll and its other proton

• help plant to produce its proteins and to resist from plant disease

why do we need Potassium in fertiliser

• help plant to produce its proteins and to resist from plant disease

• help plant produce chlorophyll and its other proton

• helps root to grow and help crops to ripen

One of the nutrients that plants need to grow healthy and develop properly is nitrogen. If plants do not get enough nitrogen, their leaves will...

• Turn yellow
• Wilt and die
• Curl and turn brown
• Lose too much water

One of the nutrients that plants need to grow healthy and develop properly is nitrogen. If plants do not get enough nitrogen, their leaves will...

• Turn yellow
• Wilt and die
• Curl and turn brown
• Lose too much water

Plants prevent the process that moves soil from place to place, because their roots hold the soil in place. This process is...

• Erosion
• Respiration
• Weathering
• Protection

Soil is a natural resource. The components of soil include organic matter and minerals. When soil contains partly decayed organic matter it is called...

• Clay
• Sand
• Humus
• Vegetative

In 1936 in Nobleford, Alberta, a blade was invented that could cut below the ground while leaving the top of the ground with its stubble intact. The reason to keep this stubble is to...

• Protect the soil from the wind
• To ensure that the different types of soil did not mix
• To ensure that the different types of soil did mix
• To make sure that the crop does not do well

Healthy high yield crops require large amounts of nutrients. All of these nutrients have specialized functions. Fertilizer usually contains three of the six nutrients, including...

• Nitrogen, potassium, sulfur
• Phosphorus, calcium, carbon
• Potassium, nitrogen, phosphorus
• Magnesium, potassium, calcium

Many farmers’ practices are used to save the soil from excess erosion. Planting trees or shrubs along the edges of field is one such practice. The purpose behind this is to...

• Provide travel corridors for water
• Enhance crop rotation
• Plant the seeds through the stubble
• Reduce wind damage and trap snow