International Journal of Agricultural Engineering

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Drip Fertigation Study in Spring Maize (Zea mays L.)


Affiliations
1 Department of Agricultural, Bhagwant University, Ajmer (Rajasthan), India
2 Department of Agriculture, Bhagwant University, Ajmer (Rajasthan), India
3 Department of Agricultural Biotechnology, Bhagwant University, Ajmer (Rajasthan), India
     

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Drip system can control the rate of water application to achieve application efficiency as high as 92-95%. It is also excellent for soil with higher infiltration rates. In conventional way of nutrient management, the P and K are applied as basal. However, the demand for these two macro-nutrients remains high during the entire growing season. Splitting of K was more beneficial than applying full K at time of planting in soybean. Maize is one of the crop that responses well to phosphatic fertilizers in almost all the soil types. Phosphorus plays vital role in plant nutrition. The deficiency of phosphorus in soil severely limits ischolar_main and shoot growth and thereby affecting the yield. The experiment consisting of 3 irrigation regimes (100% CPE, 80% CPE and 60% CPE), 2 fertilizer dose (75% RDF and 100% RDF), 2 PK splitting (equal and 70/30) along with 2 control treatments (flood IW: CPE 0.8 with mulch and flood IW:CPE 1.0) was laid out in Split Plot Design with three replications. From findings of present investigation based on cob weight without husk it can be inferred that spring maize in sandy loam soil should be irrigated at 80% CPE. It should be fertilized at 90:45:30 N, P2O5, K2O kg/ha with PK application as 70% upto tasseling and 30% thereafter.

Keywords

CPE, RDF, PK,LAI, NPK.
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  • Drip Fertigation Study in Spring Maize (Zea mays L.)

Abstract Views: 177  |  PDF Views: 0

Authors

Govind Parashar
Department of Agricultural, Bhagwant University, Ajmer (Rajasthan), India
Devendra Singh
Department of Agriculture, Bhagwant University, Ajmer (Rajasthan), India
Bhanwar Lal Jat
Department of Agricultural Biotechnology, Bhagwant University, Ajmer (Rajasthan), India

Abstract


Drip system can control the rate of water application to achieve application efficiency as high as 92-95%. It is also excellent for soil with higher infiltration rates. In conventional way of nutrient management, the P and K are applied as basal. However, the demand for these two macro-nutrients remains high during the entire growing season. Splitting of K was more beneficial than applying full K at time of planting in soybean. Maize is one of the crop that responses well to phosphatic fertilizers in almost all the soil types. Phosphorus plays vital role in plant nutrition. The deficiency of phosphorus in soil severely limits ischolar_main and shoot growth and thereby affecting the yield. The experiment consisting of 3 irrigation regimes (100% CPE, 80% CPE and 60% CPE), 2 fertilizer dose (75% RDF and 100% RDF), 2 PK splitting (equal and 70/30) along with 2 control treatments (flood IW: CPE 0.8 with mulch and flood IW:CPE 1.0) was laid out in Split Plot Design with three replications. From findings of present investigation based on cob weight without husk it can be inferred that spring maize in sandy loam soil should be irrigated at 80% CPE. It should be fertilized at 90:45:30 N, P2O5, K2O kg/ha with PK application as 70% upto tasseling and 30% thereafter.

Keywords


CPE, RDF, PK,LAI, NPK.

References