Differentiate between Straight, Complex and Mixed Fertilizers. Briefly explain the use of various chemical fertilizers in Indian Agriculture. (2024)

FAQs

What is difference between straight fertilizer and mixed fertilizer? ›

Hint: Straight fertilizers supply only one primary plant nutrient, either N or P or K. Example Ammonium Sulphate (AS), Calcium Ammonium Nitrate (CAN), Ammonium Chloride and Urea. Complex fertilizers provide two or three primary nutrients in which nutrients of at least two are in chemical combination.

Mixed fertilizers were made by mixing weighed amounts of cured superphosphate (1.0-4.8 mm diameter) and the micronutrient salts ( < I mm diameter). Compound fertilizers were made in a small scale production plant by blending the micronutrient salts with "den-fresh" superphosphate at go°C before granulation and curing.

3. Mixed fertilizers: are physical mixtures of straight fertilisers. They contain two or three primary plant nutrients. Mixed fertilisers are made by thoroughly mixing the ingredients either mechanically or manually.

Direct fertilizer supplies essential nutrients to crops, including NPK fertilizer, compound fertilizer and micro-element fertilizer, etc. Indirect fertilizer is used for improving soil physical and chemical properties, thereby making growth condition of crops better, such as lime, gypsum and bacterial fertilizers.

Mixed fertilizers contain more than one of the three major nutrients—nitrogen, phosphorus, and potassium.

Straight fertilisers are those which only comprise of one of the three main nutrients; nitrogen, phosphorus and potassium, and can be very effective when encouraging your garden to grow to its full potential.

Compounds are substances which can be formed by chemically combining two or more elements. Mixtures are substances that are formed by physically mixing two or more substances. Compounds can be of three types, which are: covalent compounds, metallic compounds and ionic compounds.

Mixed fertiliser typically refers to a fertiliser containing two or more of the elements of nitrogen, phosphorus and potassium (NPK) which are essential for promoting plant growth and high crop yields. They are obtained by thoroughly mixing the ingredients either manually or mechanically.

The Big 3—nitrogen, phosphorus and potassium—provide the foundational nutrients of today's commercial fertilizers.

Examples of straight nitrogenous fertilisers include Ammonium Sulphate (AS), Calcium Ammonium Nitrate (CAN), Ammonium Chloride and Urea.

How many types of fertilizers are there in India? ›

Currently, India produces a large number of grades of NP / NPK complex fertilizer. These include 16–20–20, 20–20–0, 28–28–0, 15–15–15, 17–17–17, 19–19–19, 10–26–26, 12–32–16, 14–28–14, 14–35–14 and 19–19–19. In addition, India produces various grades of simple and granulated mixtures.

The Main Fertilizer Types and an Overview of Their Chemical Processes. The fertilizer industry converts raw materials into three main types of fertilizers: nitrogen (ammonia), phosphorus, and potassium.

Some examples of chemical fertilizers are ammonium sulphate, ammonium phosphate, ammonium nitrate, urea, ammonium chloride and the like. Organic fertilizers are substances that are derived from the remains or by products of organisms.

There are two main types of fertilisers: inorganic (man-made) and organic (derived from plant or animal). Inorganic fertilisers: These are synthetic, artificial forms of plant nutrients or naturally occurring mined minerals. Inorganic fertilisers are usually more concentrated and faster acting than organic fertilisers.

These are used by the farmers daily to increase the crop yield. These fertilisers contain essential nutrients required by the plants, including nitrogen, potassium, and phosphorus. They also enhance the water retention capacity of the soil and increase its fertility.

Fertilisers manufactured by a chemical/industrial process or mined as opposed to organic material that contains carbon. They are also called chemical fertilisers, artificial fertilisers or inorganic fertiliser. They include: simple mineral fertilisers such as urea, ammonium nitrate and sulphate.

The “Green Revolution” in the 1970s, ushered in an era of rapid agricultural production, foodgrains in particular. One of the catalytic agents for the revolution was chemical fertilisers. India was gravely short of foodgrains, and this agricultural shift came in handy.

The main types of straight fertiliser are sulphate of ammonia (which supplies nitrogen), sulphate of potash (potassium), single superphosphate (phosphorus), magnesium sulphate (magnesium) and sulphate of iron (iron).

Foliar application is application of a small amount of fertilizer or mineral through direct spraying onto the leaves. Sidedressing is when fertilizer is applied between rows of young plants to provide a boost during periods of rapid growth and nutrient uptake.

What are the five difference between compound and mixture? ›

Difference between Mixtures and Compounds

Compounds are formed by a chemical reaction between two or more elements. Mixtures are formed by mixing two or more substances physically such that no chemical reaction takes place between the components. Elements always combine in a fixed ratio by mass to form a compound.

There are two types of mixtures: heterogeneous and hom*ogeneous. Heterogeneous mixtures have visually distinguishable components, while hom*ogeneous mixtures appear uniform throughout. The most common type of hom*ogenous mixture is a solution, which can be a solid, liquid, or gas.

Complex fertilizers is defined as a material containing all three prirnary, nutrients ( N,P. and K) and it is also designated as complete complex fertilizers while a fertilizer material. containing one or two of the primary nutrient elements (N and P or P and K etc ) are. known as incomplete complex fertilizers.

Commonly used organic fertilizers include composted animal manure, compost, sewage sludge, food processing wastes, and municipal biosolids. They improve soil health and release nutrients to soils gradually.

1:1:1 NPK FERTILIZER contains equal parts nitrogen, phosphorous and potassium. It is gentle enough to use as a general purpose liquid fertilizer for indoor plants and trees without burning foliage. NUTRIENT-RICH FORMULA acts as a liquid plant food to stimulate stem vigor, root growth and reproduction.

YaraMila COMPLEX is one of the most complete compound NPK fertilizer packages available. It is typically applied at the beginning of the crop cycle, providing a basic balanced nutrient package that is used throughout the crop growth cycle.

Complete answer: The first fertilizer plant was set up at Sindri Jharkhand. ammonium sulphate, ammonium nitrate sulphate, double salt was produced in the first factory.

Punjab consumes the highest amount of chemical fertilisers in India. Consumption of chemical fertilisers has been increasing in the country along with increase in agricultural production.

Most fertilizers that are commonly used in agriculture contain the three basic plant nutrients: nitrogen, phosphorus, and potassium. Some fertilizers also contain certain "micronutrients," such as zinc and other metals, that are necessary for plant growth.

What is the process of chemical fertilizers? ›

NITROGEN (N)

The ammonia is used to make nitric acid, with which it is then mixed to produce nitrate fertilizers such as ammonium nitrate (AN). Ammonia may also be mixed with liquid carbon dioxide to create urea. Both these products can be further mixed together with water to form UAN (urea ammonium nitrate) solution.

Fertiliser use enables global crop yields to be almost twice what would be possible without them. Thus, producing the same amount of food without fertilisers would need much more land to be farmed.

Based on the two main end products, ammonium nitrate and urea, different fertilizer types are manufactured by mixing with ingredients such as phosphorus and potassium to form NPKs, dolomite to form CAN, or by mixing urea and ammonium nitrate solution to make UAN.

Fertilizers contain one or more of the three primary plant nutrients: nitrogen, phosphorous, and potassium. A fertilizer containing only one nutrient is referred to as a “single-nutrient” fertilizer. “Mixed” fertilizers contain two or all three of the primary nutrients.

Mixed fertilisers have a number of advantages, a few of them being: Use of mixed fertiliser's results in reduction of labour costs as applying a mixture consumes lesser time as compared to applying the components separately. Micro nutrients which help in increasing soil health are applied in small amounts to the soil.

The straight fertilizers are those fertilizers which supply only one primary plant nutrient, either N or P or K. On this basis, the fertilizers can be straight nitrogenous, straight Phosphatic or straight Potash fertilizers.

Complex fertilizers is defined as a material containing all three prirnary, nutrients ( N,P. and K) and it is also designated as complete complex fertilizers while a fertilizer material. containing one or two of the primary nutrient elements (N and P or P and K etc ) are. known as incomplete complex fertilizers.

A mixed fertiliser means a mixture of two or more straight fertilisers. For example, ammonium sulphate and single super phosphate may be thoroughly mixed to get a mixed fertiliser. Mixed fertilisers are marketed as wheat fertiliser mixtures, paddy fertiliser mixtures etc.

Chemical fertilizers allow growers to maximize their crop yield on a specific piece of land — the more the plant grows, the better. Fertilizer works to ensure that each piece of land produces as efficiently as possible.

Why is urea fertilizer called a straight fertilizer? ›

1. Straight fertilizers: Straight fertilizers only supply one primary plant nutrient, namely nitrogen or phosphorus or potassium. For example: urea, ammonium sulfate, potassium sulfate, and potassium chloride.