Effects of fertilizer application to sweet corn (Zea mays.) grown on sandy soil.
作者： Tomas Losak , Samuel Jakab , Katalin Slezak , Ferenc Orosz
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摘要: In our experiment we tried to find out what kind of eventual changes in the environment and plant chemical composition occurred response different fertilizer treatments applied sweet corn (Zea mays convar. saccharata) grown on sandy soil with low humus content. The ploughed layer contained <1% CaCO3 around 1% humus. was very well supplied P, K, Mg, Mn Cu, weakly N Ca. were planned accordance recommendations, a unhusked ear yield 16 tons per hectare, new environmental friendly advisory system recently elaborated for field vegetable crops Hungary. included: G1 (blank control)(N0P0K0), G2(N222.5P22.2K143), G3(N445 P22.5 K143), G4(N222.5 P22.5K143), G5(N222.5P22.5 K286), G6(N222.5 K143) + Mg(1.52). According findings, parameters grains no application, invert reducing sugar contents (4.42%, respectively 2.59% relative fresh weight(-1)) highest among treatments. same conclusion drawn K 120.2, Mg 13.3, Fe 0.24, Cu 0.66 mg 100 g(-1) grain dry weight levels minerals. case basic treatment (G2) recommended by obtained favourable results measured parameters, including yields. Invert (3.26% 1.97% weight(-1)), mineral 101.9; 11.8; 0.21; 0.56 weight. grains, translocation toxic elements observed direct or indirect effect
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