Prior model predictions have suggested that the efficiency of the photosynthetic process and thereby crop yield could be improved ().Here, we show improvement of photosynthetic efficiency and crop productivity through genetic manipulation of photoprotection. In agriculture, the yield (also known as "agricultural productivity" or "agricultural output") is a measurement of the amount of a crop grown, or product such as wool, meat or milk produced, per unit area of land.The seed ratio is another way of calculating agricultural productivity.. 1 Introduction. Beyond our application to crop yields, this approach provides a general framework for improving the predictive skill of any neural network for which there is extant prior knowledge about the nature of the data-generating process, which can be captured by a model specification that is informed by domain-area theory and/or expertize. Movement of crop varieties from one environment into another within a country is … Crop genetic improvement, by GM or conventional approaches, is only one of many methods that can be used to improve crop performance. Predictions of crop yields within the growing season are critical inputs for a range of agricultural and food security decisions. The introduction of modern industrial crops based on new production techniques and marketing strategies can impact positively on the whole cropping system of a region. Greater and more consistent crop production must be achieved against a backdrop of climatic stress that limits yields, owing to shifts in pests and pathogens, precipitation, heat-waves and o … Genetic strategies for improving crop yields Nature. To conclude, an example of different possibilities to increase yield in wheat through enhancing A is illustrated. However, the introduction of new crops in to established farming systems in the region will stimulate a shift from a low-input agriculture system to a higher-input more intensive production system. For maximum production of tomatoes, soils should have a facility of good drainage and it should be rich in all the essential organic matter. Better food storage and transportation to reduce waste can also play their part in securing a reliable supply of foodstuffs. Hybrid bajra, jowar and maize have been developed in India. Selection of crops is done on the basis of. Discuss briefly the history of Philippine Agriculture 3. Testing soils to determine the cause of declining crop yield is the first step toward finding the source of the issue—whether it’s disease, a lack of nutrients, or unproductive soil. FOOD It is the basic requirement of life to survive. represents one of the most significant developments. Introduction The world is experiencing rising demands for crop production, stemming from three key forces: increasing human population, meat and dairy consumption from growing affluence, and biofuel consumption [1–5]. Low variability of crop production from year to year is desirable for many reasons including reduced income risk and stability of supplies potentially leading to less volatile food prices . Download PDF for free. It helps in growth and development of body. In developing countries maize yields are still rapidly rising. affecting the production of crop species in … It is made up of various kind of energy rich substances like carbohydrates, proteins, fats, vitamins and minerals, which are known as nutrients. The percentage of growth was fastest in the early rapid growth stage. Typical annual yield gains in crop breeding are below 2%; hence, the synthetic pathway holds potential for a step change in yield improvement by genetic modification of crops. 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