December 2025

What plants are good for vegetable gardens? Directly sow lettuce, spinach, peas, beets, onions, potatoes and carrots. Late spring to early summer: Buy vegetable plants and transplant cabbage, broccoli, sweet potatoes, eggplant, pepper and tomato plants. Directly sow cucumbers, corn, squash and beans. Vegetables to plant in autumn Early autumn is the best time for […]

What are the 17 nutrients for plants? The 17 essential nutrients are hydrogen, oxygen, carbon, nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, chloride, iron, boron, manganese, zinc, copper, molybdenum and nickel. Some of these nutrients are supplied by soil, water and air – while others need to be supplemented with the use of fertilizer. Sixteen elements

What are the sources of plant nutrients? Soil is a major source of nutrients needed by plants for growth. The three main nutrients are nitrogen (N), phosphorus (P) and potassium (K). Together they make up the trio known as NPK. Other important nutrients are calcium, magnesium and sulfur. Understanding the “Big Three” nutrients – Nitrogen,

What are plant nutrients and their functions? Plants require a varied range of elements to grow, maintain physiological functions and reproduce. Of these elements, carbon, hydrogen and oxygen are absorbed from the air and from water. Some others, such as chloride and nickel, are needed in trace amounts that are usually found in soil. The

What are mobile nutrients vs immobile nutrients? Plant moves mobile nutrients from older tissues to newer tissues. Plant unable to move nutrients from older tissues to newer tissues. Calcium (Ca), sulfur (S), iron (Fe), boron (B) and copper (Cu) are immobile. More common in production agriculture and greenhouse production, hydroponics, etc. For immobile nutrients, symptoms

What is the difference between mobile and immobile nutrients? Mobile vs Immobile A nutrient can be mobile in the plant and the soil. If a nutrient is immobile in the plant, it can’t be moved to new growth if the plant runs out, where as a mobile nutrient couple be transported within the plant to

What are the mobile and immobile nutrients? Mobile nutrients are nitrogen in the form of nitrate, phosphorus (P) in the form of phosphate, potassium (K), magnesium (Mg), chlorine (Cl), zinc (Zn) and molybdene (Mo). Calcium (Ca), sulfur (S), iron (Fe), boron (B) and copper (Cu) are immobile. Note: The ‘big four’ micronutrients are iron, vitamin

What is the secondary nutrient? Secondary nutrients are nutrients that slightly limit crop growth and are moderately required by plants. These nutrients are calcium (Ca), magnesium (Mg), and sulfur (S). Secondary nutrients are as significant as primary nutrients in plants, but they are needed in smaller quantities. Nitrogen, phosphorus and potassium are known as primary

What are the 20 essential elements for plant growth? Plants absorb most mineral nutrients from the soil as ions. Some of these essential elements are cations, including potassium (K+), calcium (Ca2+), magnesium (Mg2+), iron (Fe3+ or Fe2+), manganese (Mn2+), sodium (Na+), zinc (Zn2+), copper (Cu+ and Cu2+), and nickel (Ni2+). The 17 essential nutrients are

What are the micro and macro nutrients of plants? The macronutrients: nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), sulfur (S), magnesium (Mg), carbon (C), hydrogen (H), oxygen (O) The micronutrients (or trace minerals): iron (Fe), boron (B), chlorine (Cl), manganese (Mn), zinc (Zn), copper (Cu), molybdenum (Mo), nickel (Ni) Micronutrients- which are required in