Growing in field condition

In ebook "Precision in crop farming - Site specific concepts and sensing methods: Applications and results" high yields and environmental control in crop farming call for precise adaptations to local growing conditions. Treating large fields in a uniform way by high capacity machinery cannot be regarded as a sustainable method for many situations. Because differences existing within single fields must be considered.

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In vegetable growing, seedling is the foundation of a successful growing. Use of commercial seedlings have become more popular in recent years due to effective use of labour and land and economic concerns. It is aimed to produce small vigorous seedlings with sufficient roots and free of diseases and pests in the commercial seedling enterprises. Although certain cultural applications are used for production of small-sized seedlings, growth retarding chemicals are generally preferred due to their effective results.

11p hanthienngao 30-11-2021 10 2   Download

In Karnataka Mandya district is one of the important paddy growing area. Mono cropping, faulty cultivation practices with continuous submerged conditions are causing higher pest and disease incidence and leading to lower yield. In this context KrishiVigyana Kendra, Mandya demonstrated integrated pest and disease management practices in 30 farmer’s field. The objectives of the study were to minimize the use of chemical pesticides and to establish the use of eco-friendly management practices.

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Indian Scenario 80% of Small and Marginal farmers out of 115 operational land holding growing monocarp or commercial crop having less profitable due many constraints. From field study conducted on performance of integrated farming system over farmers practice system for one ha. Area at Agricultural Research Station, Hagari, Ballari, Karnataka for four successive years of 2010-11 to 2013-14 in deep black soils to explore the productivity and profitability under irrigated condition.

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Field experiment was conducted in two consecutive growing seasons at Agricultural Engineering College and Research Institute, Kumulur, Tamil Nadu to evaluate the tillage practices, crop residue and supplemental irrigation through drip irrigation in maize under rainfed condition. The experiment was laid out in strip plot design with three replications.

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The study showed that E. ferox tended to have highest tissue concentrations of N and P in the leaf parts while the less soluble Fe, Mn and intermediately soluble Zn exhibited greater concentrations in roots than in shoots. Thus, E. ferox can also be proved to be a better option as an alternative crop to include it in cropping system mode under field condition to replenish the exhausted nutrients such as N, P and Zn by the cultivation of other cereal crops.

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Sunflower is an important major oilseed crop ranks next to groundnut and soybean at global level. It belongs to the family Asteraceae and mostly infected by several fungal, bacterial and viral diseases among which leaf spot and blight caused by Alternaria helianthi was considered as one of the most destructive diseases in the sunflower growing areas. An experiment was studied to determine the disease incidence and intensity of the disease in both Kharif and Rabi season (2018-19) by observing the plant raised in field.

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A field experiment was conducted on “Evaluation of Elite Tissue Culture Raised Banana Varieties for Growth, Yield and Quality under Bengaluru condition” during 2018 to 2020. The pseudostem continues to grow in height as the leaves emerge one after the other and reaches its maximum height when the the flower emerges at the top of the plant. It is a monocarpic and bears male, female and hermaphrodite type of flowers.

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The present study was undertaken at Agriculture Research Station, Anakkayam from February- April, 2019 with objectives to study the influence of various environmental conditions on growth of brinjal (Solanum melongena) under protected and open cultivation and to analyze the impact of variations in temperature, humidity and soil moisture on plant biometric characters. The abiotic factors like temperature, humidity and soil moisture showed significant variation under different growing conditions (open field and polyhouse). Mean daily temperature (36.

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Simultaneous increase of (CO2) and temperature causing significant changes in rice crop growth and productivity, but limited studies has been done in past to examine the interactive effect of these two key variables on the incidence of brown spot and sheath blight of rice.

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For the past hundreds of year’s trees like Dalbergia sissoo (Shisham), Acacia nilotica (Kikar), Prosopis cinneraria (Khejri) etc. have inhabited vast areas in the plains of Afghanistan, Pakistan, India, Nepal and Myanmar. These have also been widely used for afforestation in many parts of the country except in the very hot, cold and wet tracts. These have good atmospheric N2 - fixing ability, therefore, are extensively planted in social and agro-forestry programmes. In order to evaluate the effect of soil salinity, present investigation was conducted on two tree species i.e.

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ntroduction of new agricultural technology created growing realization of soil physical properties limiting crop production. However, soil physical changes and their impact on crop production are less easily realized because of their exceedingly complex and dynamic nature. Since the nature and arrangement of aggregates in soils could be expected to have a profound influence on pore space, which in turn would govern air and water relations, wide use has been made of aggregate analyses to evaluate spot physical conditions.

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Plant growth promoting rhizobacteria (PGPR) are beneficial bacteria that colonize plant roots and enhance plant growth by a wide variety of mechanisms. The isolate of PGPR designated as Pseudomonas aeruginosa strain (2CpS1) was successfully isolated from the soil and rhizosphere of roots of plants growing in fields, Almora district.

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The study was conducted to develop an effective management strategy against the devastating potato late blight. Of the three management modules tested in the field conditions for two consecutive growing seasons, rabi 2014-15 and rabi 2015-16...

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Soybean crop is grown predominantly under rainfed conditions in Vidarbha region where weather parameters play an important role at different phenophase of the crop influencing the growth, development and final yield performance. But amongst them, only few parameters are significantly contributing to the crop growth and yield. So in order to identify such parameters and quantify their contribution, a field investigation was carried out with four sowing times and three varieties with four replications and 12 treatments.

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The experiment was deigned to find out the best alternative way to grow healthy tomato seedling under water stress condition. Three different protected and unprotected conditions (Polyhouse, Low tunnel and open field condition) were selected for sowing of seedling. Open field condition was taken up as a control. Production of healthy and vigorous tomato seedling is most important factor in successful commercial production and yield of quality tomato fruits.

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Alternaria leaf blight is one of the most important foliar disease of chrysanthemum. It has become major constraint in chrysanthemum growing areas. The fungicides were evaluated under field conditions at College of Horticulture, Hiriyur, during kharif 2016 and 2017. Five sprays were given at 60, 75, 90, 105 and 120 DAS. Two years pooled results revealed that tebuconazole (0.1%) significantly higher per cent disease control (PDC) of 45.20 which was followed by tebuconazole+ trifloxystrobin (43.07) and propiconazole (40.67). Similarly, the maximum yield of 8.

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Bottlegourd is prone to various fungal, bacterial and viral diseases. Among various fungal diseases, anthracnose, downy mildew and cercospora leaf spot are prevalent in different bottlegourd growing areas. Anthracnose caused by Colletotrichum lagenarium (Pass) Ellis. and Halsted is of major economic importance. The pathogen is seed borne in nature but initiation as well as spread of disease largely depends upon the environmental factors. This disease is widespread under both greenhouse and field cultivation resulting in poor fruit quality and yield.

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Stem bleeding disease caused by Thielaviopsis paradoxa is one of the major diseases of coconut in almost all the coconut growing regions of Andhra Pradesh. Bioefficacy of native bioagents viz., Trichoderma spp and Pseudomonas fluroscens on stem bleeding pathogen Thielaviopsis paradoxa under in vitro conditions revealed that all the three isolated native Trichoderma spp were found inhibitory to the mycelia growth of Thielaviopsis paradoxa on Potato Dexose Agar media.

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Charcoal rot caused by Macrophomina phaseolina (Tassi) Goid is one of the most devastating diseases of sesame and causes heavy losses worldwide. The disease is becoming severe in sesame growing areas due to increased level of inoculum in soil. The pathogen of charcoal rot disease becomes more destructive particularly when high temperature and water stress conditions occur during growing period of the crop.

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