Quantity of impurities and completeness of cleaning the grain mass of maize at different technologies post harvest handling
Keywords:
grain, corn cobs, hybrids, humidity, post harvest handling, grains impurities, foreign material, completeness cleaningAbstract
The content of grains impurities and foreign material and completeness of cleaning the grain mass maize for different ways of harvesting and post harvest handling technologies was researched. The way harvest of corn cobs and technology their ventilation with follow processing and purification on air-sieve machines provide the minimal indicators content of impurities. Cleaning of grain mass with using aspiration machines increase the amount of admixtures and accordingly reduce quality of products. The quality grain mass of maize to improved with using ventilation systems for grain drying and made possible to reduce the content of grain admixtures. Completeness clearing foreign material and grain impurity obtained higher in variants, where used air-sieves cleaning machines irrespective the type of hybrid of maize and original humidity of grain.
Dispersive method of analyzing the content of grain and foreign material admixtures for grain of maize at different technologies of post harvest handling defined a statistically significant effect on the research indicator had all factors. The greatest influence on the content of foreign materials were technologies of post harvest handling for different periods of harvesting, but on the content of grain admixtures influence type of maize hybrids at different technologies and initial moisture of grain.
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