Response of Kharif maize (Zea Mays L.) to micronutrients.
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Date
2016-05-30
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Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani
Abstract
The field investigation entitled “Response of kharif maize (Zea
mays L.) to micronutrients” was conducted on experimental farm of National
Agricultural Research Project, Aurangabad during kharif season 2015. The
experimental field was levelled and well drained. The soil was clayey in texture,
low in available nitrogen, high in available phosphorus, very high in available
potassium and alkaline in reaction. The environmental condition prevailed during
experimental period was favourable for normal growth and maturity of maize
crop. The field experiment was laid as in randomized block design with nine
treatments viz. Tr RDF, T2- RDF+ZnS04, T3- RDF+FeS04, T4- RDF+Borax, T5-
RDF+ZnS04+FeS04 , T6- RDF+ZnS04+Borax, Tr RDF+FeS04+Boiax, Tg-
RDF+ZnS04+FeS04+Borax, T9- RDF+Foliar application of Micronutrient and
replicated thrice. The gross and net plot size of each experimental unit was 5.4 m x
6.0 m and 4.2 m x 4.8 m, respectively. Sowing was done on 26 June 2015 by
dibbling method. Seed treatment, pest and disease management, irrigation and
fertilizer management were done as per recommendation to all treatments. The
grain yield ha-1 as influenced by different treatments revealed that highest grain
yield was recorded by Tg- RDF+ZnS04+FeS04+Borax (4890 kg ha'1) followed by
T9- RDF+Foliar application of Micronutrient (4791 kg ha'1). The highest net
monetary returns (38615 ^ ha'1) was recorded in treatment Tg-
RDF+ZnS04+FeS04+Borax, The highest B: C ratio (2.30) was recorded in T9-
RDF+Foliar application of Micronutrient Thus, for securing maximum grain yield
and net profit maize crop should be sown by supplying recommended dose of
NPK (150:75:75 kg ha'1) along with ZnS04 20 kg ha'1, FeSQ4 20 kg ha'1 and borax
5 kg ha'1.
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