NDVI Explanation Sheet - AgDrone System
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The document discusses crop growth stages using an alphanumeric code. It provides descriptions for various vegetative (V), reproductive (R), and growth (G) stages. For example, V1 refers to one unrolled trifoliate leaf with two nodes, while R1 means the beginning of bloom with at least one flower present on the main stem. Color images from an drone are also presented, showing differences in crop growth stages over time using a color-coded NDVI index. Identifying growth stages allows for proper pest and environmental management.
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In its fruit contain vitamins like ‘A’ and ‘C’ and antioxidant in abundance quantity. Due to the unique properties contained in its fruit, tomato demand remains almost the same throughout the year.
Tomatoes are also used as fresh fruits, and they are cooked and cooked in pickles, chutneys, soups, ketchup, sauces, etc.
French bean
This document provides information on French bean (Phaseolus vulgaris). It discusses the botanical details of French bean, its origin in Southern Mexico and Central America, different species, economic benefits, climate and soil requirements, cropping seasons, cultivation practices including land preparation, sowing, irrigation, nutrition, plant protection, and harvesting. It also describes the characteristics and yield of popular French bean varieties grown in India such as Arka Anoop, Arka Arjun, Arka Komal, Arka Sharath, Arka Sukomal, and Arka Suvidha.
Aloevera
Aloe is a perennial plant native to Africa and the Mediterranean. It grows well in hot, dry climates and tolerates a wide range of soils. The leaves contain a gel with various health benefits including wound healing, immune support, and digestion. It is cultivated commercially for its medicinal and cosmetic uses. Major producers include Africa, China, USA, and parts of India. Propagation is through suckers or rhizome cuttings. With proper irrigation and fertilization, annual yields of 40-55 tons of leaves can be obtained from one hectare. The leaves and gel are used in foods, drinks, and cosmetics.
Gourd ppt
The document provides information on the general features and cultivation of cucurbits. Some key points:
- Most cucurbits are annuals that are direct sown and propagated through seeds. They have a long taproot system and branched, climbing stems.
- Leaves are usually simple and 3-5 lobed with tendrils in the leaf axils. Flowers are highly cross-pollinated by honey bees.
- Common cucurbits include cucumber, muskmelon, pumpkin, and squash. These are mostly monoecious with male and female flowers on the same plant.
- Proper soil preparation, fertilizer application, irrigation, and pest management are required at
Gardening sheet helianthus annuus
This document summarizes information about the annual sunflower (Helianthus annuus). It is native to western North America and is commonly found along roadsides and in open, disturbed areas. The sunflower is an herbaceous annual plant that grows 4-10 feet tall with large leaves and yellow ray flowers. It requires full sun and any well-drained soil, and little water once established. Annual sunflowers are useful in gardens to attract pollinators like bees and birds that eat the seeds. They are easy to grow from seed and require little maintenance.
Tomato
This document provides information about tomato cultivation. It discusses the introduction of tomato including its scientific name, most common varieties, and uses. It also outlines the climate and soil requirements, cultivation practices like land preparation, manure application, irrigation, and harvesting. Some physiological disorders and pests that affect tomato are also mentioned. The document is technical in nature and provides detailed information and guidelines related to growing tomatoes as a crop.
Wisconsin Walking Your Fields newsletter-July
This issue of Walking Your Fields newsletter contains articles about: corn root lodging, soybean aphids and diseases, along with the role of water in corn development.
Articles are written by DuPont Pioneer agronomists in Wisconsin and are distributed on behalf of DuPont Pioneer account managers and Pioneer sales reps.
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NDVI Explanation Sheet - AgDrone System
- 1. 7929 SW Burns Way, STE A, Wilsonville, OR 97070: 503-563-6382 info@honeycombcorp.com www.honeycombcorp.com © 2015 HoneyComb Corporation AgDrone™ System VE Plant emergence (depends on temperature and moisture). VC Unifoliolate leaves unrolled in addition to cotyledons. One node. V1 One unrolled trifoliate leaf. Two nodes. V2 Two unrolled trifoliate leaves. Three nodes. Vn (n) number of trifoliate leaves unrolled; (n) + 1 number of nodes R1 Beginning bloom. At least x flower is present on the main stem. R5 Beginning seed. Seed/pod/fruit are x/x inch long on x of the top x nodes. R2 Full bloom. Flowers are found on any of the top x nodes. R6 Full seed. Pods are completely filled by seeds on one of the top x nodes. R3 Beginning pod. Seed/pod/fruit are x/x inch long on x of the top four nodes. R7 Beginning maturity. One mature seed/pod/fruit found on the plant. R4 Full pod. Seed/pod/fruit are x/x inch long on one of the top x nodes. R8 Full maturity. 95% seed/pod/fruit have reached mature seed/pod/fruit color. x = number of the referenced item The NDVI color bar above is the HoneyComb NDVI processed image spectrum. The colors are telling us where the growth is or the chlorophyll activity is. The colors to the right indicate the most growth/chlorophyll activity. During cool seasons images will mostly show colors to the left and middle. During summer, fields will tend to be mostly shades of green or show stress as yellow and red. As plants move through their growing season they develop more green phytomass that has active chlorophyll activity which shows as brighter colors. When you see pockets of color that are different from the surrounding area, that is an area you need to check on. You will have the coordinates of the area and can determine the next steps. Farmers know what their crop is, what their soil type is, and what the usual problems are. So the farmer/agronomist can usually decide quickly what action needs to be taken. Identifying crop stages is essential for proper management of pests and environmental problems. Generally, crop development can be divided into vegetative (V), reproductive (R), and growth (G) stages. The beginning of each stage starts when at least 50% of the plants are at that stage. Vegetative growth stages start with the crop emergence and reproductive growth stages start with the first flower. Growth of annual crops begins with generation of new foliage. This image of a pivot that is mostly alfalfa, with the top area being pastureland, is mostly dormant, G0. The yellow striping indicates G2+ growth has begun. This image is one month later than the previous image and is in G3 growth. However, it is showing G2 in some areas. These are problem areas. These three images were taken over a 6 day period by the AgDrone™ System. You can see how the growth stage has moved forward significantly in just days. The green indicates plant maturity. As with each crop you grow you should establish your regional vegetative, growth, and reproductive stages.