Relationship between Yield Quality and Quantity of Maize Hybrids and Fertilizer

Maximum yield of some hybrids was measured at N200+PK in 2006, but this fertilizer quantity is not proposed because of environmental and effectiveness aspects. High fertilizer application level leads to acidification of soils and nutrients could leach into soil, they are not available for plants to use. Sustainable plant production includes the additon of lacking nutrients in soil without environment pollution. The N120, P2O5 125, K2O 90 kg ha−1 active agent is sufficient for maize hybrids even under wet meteorology circumstances. According to the experiments of 2005–2006, the nutrient absorption ability of PR36R10 and Mv Vilma hybrids was more excellent than the average. These hybrids and others with similar properties don’t require high fertilizer doses and it provides the environment saving technology. The heat and drought stress had damaging impact on the hybrids (PR36R10, Mv Vilma) with longer vegetation period. The fertilizer had impact on the starch and protein content of hybrid. The growing doses decreased the starch content and increased the protein content. Generally speaking, the oil content is influenced by genetic characteristic of hybrids and season effect.