Crop Production and Global Environmental Issues by Khalid Rehman Hakeem PDF

By Khalid Rehman Hakeem

ISBN-10: 3319231618

ISBN-13: 9783319231617

ISBN-10: 3319231626

ISBN-13: 9783319231624

Meeting the world’s meals protection problem would require a multi-national, collaborative attempt to combine the easiest study from technological know-how, engineering and socioeconomics in order that technological advances can carry merits the place they're so much wanted. the current booklet covers the impact of significant environmental difficulties on crop construction and the way to deal with those matters for sustainable agriculture and enhancements of vegetation.

The world’s inhabitants is expected to hit 9.6 Billion by way of 2050, up from today’s overall of approximately 7.3 Billion, and with it foodstuff call for is expected to extend considerably. The post-war ‘second agricultural revolution’ in constructed international locations, and the ‘green revolution’ in constructing international locations within the mid- Sixties switched over agricultural practices and increased crop yields spectacularly, however the consequence is levelling off and won't meet projected call for. at the same time, crop construction is stricken by many different elements, together with business pollutants, overuse of fertilizers and pesticides, heavy steel and radiation stresses and so on. it's been famous that many pests have gotten immune to pesticides. Estimates range, yet round 25% of plants could be misplaced to pests and ailments. weather swap linked to agriculture can also be a world factor. Agriculture is an important contributor to greenhouse gases and is predicted to account for 10-12% of overall greenhouse fuel (GHG) emissions. a number of the concerns highlighted are international difficulties and are addressed thoroug

hly during this work.

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UV radiation is divided into three types: UV-A, UV-B, and UV-C. UV-A radiations are the less harmful part of ultraviolet radiations. 3 % of solar radiation. The ozone, which is present in the stratosphere, absorbs ultraviolet radiations that have shorter wavelengths, so the depletion of ozone has no effect. The ozone layer is more effective as it absorbs UV radiation shorter than 280 nm; this absorption effectively decreases with an increase in wavelength greater than 280 nm, and at 320 nm it reaches approximately zero (Robberecht 1989).

Ecotoxicol Environ Saf 72:1337–1342 Tang L, Ying R-R, Jiang D, Zeng X, Morel J-L, Tang Y-T, Qiu R-L (2013) Impaired leaf CO2 diffusion mediates Cd-induced inhibition of photosynthesis in the Zn/Cd hyperaccumulator Picris divaricata. Plant Physiol Biochem 73:70–76 Uzu G, Sobanska S, Aliouane Y, Pradere P, Dumat C (2009) Study of lead phytoavailability for atmospheric industrial micronic and sub-micronic particles in relation with lead speciation. Environ Pollut 157:1178–1185 Uzu G, Sobanska S, Sarret G, Muñoz M, Dumat C (2010) Foliar lead uptake by lettuce exposed to atmospheric fallouts.

Visible light ranges from 360 nm to 760 nm. This visible light has the largest effect on the life of living organisms (Campillo et al. 2012). Plants use visible light in photosynthesis and change carbon dioxide into organic molecules such as glucose, starch, sucrose, and so on. These organic molecules are used in respiration to produce energy (Kovacs and Keresztes 2002). Visible light is important for photosynthesis, but the radiations ranging from 400 to 500 and 600 to 700 are most essential. Radiations between 500 and 600 nm are assisted by accessory pigments as they have low ability to be absorbed in pure chlorophyll (Campillo et al.

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Crop Production and Global Environmental Issues by Khalid Rehman Hakeem

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