Download e-book for iPad: Corn Crop Production: Growth, Fertilization and Yield by Arn T. Danforth

By Arn T. Danforth

Corn or maize is a crop that originated in Mexico and has unfold world wide as an incredible meals crop. Sustainable creation of a corn box crop as grain corn for feed, nutrients and biofuels, in addition to candy corn for clean industry or processing, and as silage for prime power resources, calls for clinical administration of food in addition to numerous different crop administration practices corresponding to right plant inhabitants density, well timed seeding and harvesting, soil water, weeds and pests regulate. Corn has develop into the key merchandise within the nutrition of many tropical humans, the most grain used for animal feed in temperate areas, in addition to new shares for lots of different reasons together with lately used as feedstock for biofuels. fast growth of grain dependent ethanol construction in North the US, has already triggered problem approximately destiny meals and feed offers. this significant publication gathers the most recent study from world wide during this dynamic box.

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To determine if a nutrient element is critical for plant development and yield formation, the concept of critical nutrient concentration is often referred. For example, the concept of critical N concentration (Ncrit) assumes at any time a minimum shoot N concentration necessary for maximum biomass production (Herrmann and Taube, 2005). A quadratic-plateau model is used to derive Ncrit values. 391. Uptake rates of N, P and K nutrients can often be expressed as a linear relationship between nutrients uptake rate and transpiration rate of corn canopy (Novak and Vidovic, 2003).

Placement is less of a consideration when soil tests are high. , 2001). The relative efficacy of broadcast P was dependent on soil test-P. Yost et al. (1979) found that broadcast treatments gave greater yields than banded treatments at the same rates for the first crop, at the end of four crops. However, total yields of P uptake were very similar for broadcast and banded treatment in which the same total amount of P had been applied. Borges and Mallarino (2001) reported that there was a similar response of corn yield to P application as broadcast or deep band (15-20 cm).

L. Ma per plant or per unit area, presumably by increasing the rate of differentiation of spikelets (Pearson and Jacob, 1987). Knowledge of both soil factors and crop N requirement is a prerequisite to the development of management strategies to maximize the yield response to fertiliser N (Muchow, 1998). The critical timing of N requirement is important to know because N amendment decisions can be made so that irreversible yield loss can be avoided. There are, however, inconsistent reports about the critical timing of N requirement and N uptake by a corn plant.

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