Intercropping is the growth of two or more crops, simultaneously (Vandermeer, 1989). The major benefits of intercropping are (1) increasing the rate of crop production, with the advantage of simultaneously decreasing the risk of total crop reduction, and (2) controlling weeds (Liebman and Dyck, 1993).
What is intercropping explain it?
Intercropping involves cultivating two or more crops in a field simultaneously. In addition to cash crops, cover crops are also sometimes used in intercropping. … Intercropping is a sustainable practice that can improve resource-use efficiency, such as nutrients and water, allowing low input agricultural practices.
What are the examples of intercropping?
FamilyCommon namesRoot cropsCassava, sweet potato, taro, yam, water chestnutMallow familyCotton, okra
What are the benefits of intercropping 7th class?
- The fertility of the soil is maintained.
- The spread of diseases and pests is controlled.
- Optimum utilization of resources.
- The space and time of growing more than one crop are saved.
- Maximum utilization of nutrients present in the soil.
What is cropping pattern Class 9?
Cropping pattern refers to the proportion of land under cultivation of different crops at different points of time. This indicates the time and arrangement of crops in a particular land area. … change in space sequence and time of crops.
What are pests Class 9?
A pest is any destructive organism which causes great economic loss by destroying crop plants or products obtained from them. Pests of crop plants include weeds, insects, mites, nematodes, rodents, fungi, bacteria and viruses. There are various methods by which insects and diseases can be controlled.
What is intercropping in agriculture PDF?
Intercropping can be defined as a multiple cropping system that two or more crops planted in a field during a growing season. Intercropping is a ways to increase diversity in an agricultural ecosystem.
What are the benefits of cultivating leguminous plants?
Soil quality benefits of legumes include: increasing soil organic matter, improving soil porosity, recycling nutrients, improving soil structure, decreasing soil pH, diversifying the microscopic life in the soil, and breaking disease build-up and weed problems of grass-type crops.What is crop rotation BYJU's?
Crop rotation method involves growing of set of crops in a regular succession over a same piece of land (field with) in a specific period of time.
What Do You Mean Green Revolution?Definition of green revolution : the great increase in production of food grains (such as rice and wheat) due to the introduction of high-yielding varieties, to the use of pesticides, and to better management techniques.
Article first time published onWhat is image cropping?
To “crop” an image is to remove or adjust the outside edges of an image (typically a photo) to improve framing or composition, draw a viewer’s eye to the image subject, or change the size or aspect ratio. In other words, image cropping is the act of improving a photo or image by removing the unnecessary parts.
What is Relay cropping?
Relay cropping is a method of multiple cropping where one crop is seeded into standing second crop well before harvesting of second crop. Relay cropping may solve a number of conflicts such as inefficient use of available resources, controversies in sowing time, fertilizer application, and soil degradation.
What is alternate crop?
Alternative crops and cropping systems have importance in whole agricultural sector. As the name suggests, it is an alternative that can currently represent only a small economic importance. On the other hand, in some areas pose a new progressive direction, which has the potential to expand in the future.
How does intercropping improve soil fertility?
We hypothesize that intercropping can maintain soil fertility by increasing below-ground biomass inputs derived from above-ground biomass overyielding as well as below-ground biodiversity resulting from above-ground crop diversity.
What is crop science?
Crop Science is concerned with the selection, improvement and production of crops useful to man. It addresses the planting, maintenance, protection, harvesting, storage and aspects of post-harvest handling of produce. To produce graduates that will teach agricultural science at secondary level. …
What is a crop protector?
Crop protection is the science and practice of managing plant diseases, weeds and other pests (both vertebrate and invertebrate) that damage agricultural crops and forestry. … Control of weeds and integrated management.
What is crop protection class 8?
What is Crop Protection? Crop protection is the general method or the practice of protecting the crop yields from different agents including pests, weeds, plant diseases, and other organisms that cause damage to the agricultural crops.
Which is the best soil for groundnut?
Groundnut plants need well drained sandy loam or clay loam soil for better performance. The soil should be deep and the pH of the soil should be around 5.5 to 7 with high fertility index. It is observed that heavy soil is unsuitable for cultivation because of difficulty in harvesting and pod loss.
What is Green Revolution class 9 science?
The introduction of High Yielding Varieties (HYV) of seeds and the increased use of chemical fertilisers and irrigation are known collectively as Green Revolution. It provided the increase in production needed to make India self-sufficient in foodgrains, thus improved the agricultural sector in India.
What is the difference between mixed cropping and intercropping?
Mixed Cropping alludes to a method of cropping in which two or more crops are grown simultaneously in the same piece of land. Intercropping refers to process of cultivating crops wherein different types of crops are cultivated together in a specified pattern. … Competition between the crops does not exist.
What does NPK stand for?
These three numbers form what is called the fertilizer’s N-P-K ratio — the proportion of three plant nutrients in order: nitrogen (N), phosphorus (P) and potassium (K). The product’s N-P-K numbers reflect each nutrient’s percentage by weight.
What is the benefits of crop rotation?
A crop rotation can help to manage your soil and fertility, reduce erosion, improve your soil’s health, and increase nutrients available for crops.
What is the meaning of Biofertilizer?
Biofertilizer can be defined as biological products containing living microorganisms that, when applied to seed, plant surfaces, or soil, promote growth by several mechanisms such as increasing the supply of nutrients, increasing root biomass or root area and increasing nutrient uptake capacity of the plant (Vessey, …
What is White Revolution class 9?
White Revolution is the revolution in the dairy sector. It introduced a cooperative approach in harnessing milch animal husbandry and eliminate the middleman in the farmer-market supply chain and enhanced milk, production as well as profit to the farmers. … Verghese Kurien led to an increase in milk production in India.
What is White Revolution in short?
The White Revolution, known as Operation Flood, was launched in 1970. It was an initiative by India’s National Dairy Development Board (NDDB) and was the world’s biggest dairy development programme. It transformed India from a milk deficient nation into the world’s largest milk producers.
What is White Revolution Upsc?
The revolution associated with a sharp increase in milk production in the country is called the White Revolution in India also known as Operation Flood. … Aspirants of UPSC exam should prepare Operation Flood or White Revolution in India topic for Static GK section and Geography GS I Paper.
What called crops?
A crop is a plant or plant product that can be grown and harvested for profit or subsistence. By use, crops fall into six categories: food crops, feed crops, fiber crops, oil crops, ornamental crops, and industrial crops. 5 – 8.
What is resizing and compression?
Resizing can go in two ways: to”¨ make images smaller or larger. Making images smaller simply discards pixels. … When you reduce the size of an image, these pixels are reduced in size and some will be discarded, using a process known”¨as ‘compression’.
What is in camera cropping?
In digital photography, the crop factor, format factor, or focal length multiplier of an image sensor format is the ratio of the dimensions of a camera’s imaging area compared to a reference format; most often, this term is applied to digital cameras, relative to 35 mm film format as a reference.
What is multistoried cropping?
Growing plants of different height in the same field at the same time is termed as multi storied cropping. It is mostly practiced in orchards and plantation crops for maximum use of solar energy even under high planting density.
What is alternate land use system?
Agronomic Measures – Alternate Land use pattern Same lands may be suitable for range/pasture management and for tree farming and ley farming, dryland horticulture and agro-forestry systems including alley cropping. All these systems which are alternative to crop production are called as alternate land use systems.
