Maize zea mays l is one of the major cereal crops grown in the humid tropics and subsaharan africa. Part of the cultivator, steel, round discs in a row closeup maize crop. Drought impacts nearly all crop production for at least a limited 48 period. Among the different maize corns, grain maize, sweet corn, baby corn and popcorn are mainly.
Maize is only known as a cultivated crop and its exact genealogy remains uncertain. It is a versatile crop and ranks third following wheat and rice in world production as reported by food. Maize production technology was significantly developed in the period that lapsed. The crop was introduced to europe in the sixteenth century, from where it spread to africa and asia. Crop pdf pagesimage go to the edit menu and find out the button crop. Maize is the most important food crop in the w orld for people and animal due to its high quality nutrition. Maize is a major staple food crop grown in diverse agroecological. Aflatoxin management for smallholder farmers of maize and. Aflatoxin contamination can also affect agricultural livelihoods in various ways. Geigi maize varies widely in height, some varieties may range from 0. A diagnostic key facilitates quick identification of diseases and their effects. Free and easy to use online tool for visual pdf document cropping changing canvas size.
Maize has multiple uses, including for human foods, animal feeds, and the manufacture of pharmaceutical and industrial products. Successful maize production depends on the correct application of production inputs that will sustain the environment as well as agricultural production. Maize is thought to have originated at least 5000 years ago in the highlands of mexico, peru, ecuador, andor bolivia because of the great density of native forms found in the region. In this fourth edition, nomenclature has been updated, new diseases and information. Fungicides can increase asian maize production international pesticide benefits case study no.
Genetic modification of maize has been occurring for thousands of years. Maize an introduction maize zea mays, referred to as corn in. Move the mouse over the page to select the range you want to crop. Climatic adaptation and ecological descriptors of 42. You can also use pdf cropper to increase visible margins, for example to add space for annotations, by choosing extend margins option. Java downy mildew is of great importance in indonesia, where depending on the year, 2080% of the total maize harvests are. If necessary, drag the corner handles of the cropping rectangle until the page is the size you want. Crop units harvested in maize whole crop harvested in catch crop, november no catch crop 15,10 100 119,8 179 perennial ryegrass, late jumbo early row 14,88 99 117,2 171 9,2 cocksfoot, late donata. Cropping a pdf file is just one action that can be done online, besides other possibilities for. Introduction maize zea mays l is the most important and most widely distributed cereal in the world after wheat and rice. A recent study of 11 maize production regions in the eu revealed.
Hybrid maize is the greatest practical achievement of plant genetics to date. Maize is reasonably tolerant to soil acidity, but if the soil is very acid, liming will improve the soil and. Each experiment corresponded to a crop management system. Pdf maize production technology in meghalaya researchgate. We can edit the pdf files with pdfelement like a pro. Double click the selected cropping area to get more. Wondershare pdfelement is an affordable alternative for adobe acrobat pro. You can crop the pdf to a selected area or choose auto crop option, to try and remove all margins automatically. Maize crop stock photos download 36,382 royalty free photos. Relevant initial conditions for maize production in this section, we summarize the total production of cereal crops, the relative importance of maize as a food crop, the trends in maize. Maize yield trends and agricultural policy in east africa. Emulating maize yields from global gridded crop models. Extension specialists and researchers with the university of arkansas division of agriculture developed this handbook. There have been four principal and several minor theories regarding the origin of maize.
On a daily basis, we can access from maize about 66. Each ton of grain produced removes 15,0 to 18,0 kg of nitrogen, 2,5 to 3,0 kg of phosphorus and 3,0 to 4,0 kg of potassium from. The downy mildew diseases have been a major limiting factor in production of maize in asia throughout this century. Heres the guide on how to crop a pdf with pdf candy. Unesco eolss sample chapters soils, plant growth and crop production vol. Maize grows best on deep, welldrained, fertile soils, and where total seasonal rainfall exceeds 500 mm. It is now one of the most widelygrown crops around the world. Nafziger encyclopedia of life support systems eolss 1. This is an important reference for crop growth staging. Defining maize density reaction is a frequent part of study but it is unreliable across management practices and diverse environment.
Crop management systems and maize grain yield under narrow row. This report presents the analysis of maize production costs and returns for zambia, with a special focus on improved types of maize relevant to the crm program, based on the 201011, 201112, 2012. Maize is the third most important cereal crop species in the world after wheat and. Effects of variety and spacing on growth characters of. The information has to be presented in a language and format which the user. Crop management systems and maize grain yield under narrow row spacing.
Most of the maize varieties grown in india are relatively early in maturity 8095 days. Furthermore, the maize exists in different forms in respect to size and colour of plant. Maize yields are especially low in india, indonesia and the philippines approximately onehalf of the yield of maize in china, thailand and vietnam. Dragging and dropping files to the page also works. Context and background on maize and its wild relatives. Maize or makka or corn crop cultivation guide maize. Center of origin mexico, central america earliest plant breeders women important source of human and. Spring maize can be planted in the first week of february to first week of march or from middecember to midmarch and.
You may want to crop your pdf file because you need only some parts from your document. The yearbook of agricultural statistics is an annual publication published regularly by the bangladesh bureau of statistics bbs. Genetic analysis of visually scored orange kernel color in. Corn refineries use 14% of the usa maize crop, producing such. In africa, maize production is continuously and severely affected by a number of threats, such as weeds. Maize crop chopper, ejection tower large blue tractor plow plowed land after harvesting the maize crop on a sunny, clear, autumn day. The largest maize producers are france, romania, germany, hungary and italy, where maize is grown on more than 1 million hectares each. Pdf status and production technology of maize researchgate. It is the staple food of most ethnic groups and constitutes. Agriculture wing of bangladesh bureau of statistics is responsible for.
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