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Subject: Soil Science and Agriculture Chemistry × Author: Praveen, B × Start date: 1961 × Type: Thesis × Thesis Type: M.Sc ×
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    ThesisItemOpen Access
    EFFECT OF CONJUCTIVE USE OF WATER ON SOIL PROPERTIES AND YIELD OF MAIZE IN GHATAPRABHA LEFT BANK COMMAND AREA
    (University of Agricultural Science, Dharwad, 2005) Praveen, B; Hebsur, N S
    ABSTRACT NOT AVAILABLE
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    ThesisItemOpen Access
    EFFECT OF CONJUNCTIVE USE OF WATER ON SOIL PROPERTIES AND YIELD OF MAIZE IN GHATAPRABHA LEFT BANK COMMAND AREA
    (UNIVERSITY OF AGRICULTURAL SCIENCES GKVK, DHARWAD, 2005) Praveen, B; Hebsur, N S
    "A field experiment was conducted to study the effect of conjunctive use of water on soil properties and yield of maize in Ghataprabha Left Bank Command Area during kharif 2003 on a farmer's field at Nandagaon village of Mudhol taluk in Bagalkot district. The experiment consisted of five main plot (irrigation) treatments : Ti - BW only (borewell water); T2 - 5 BW : 1 CW (canal water); T3 - 4 BW : 2 CW; T4 - 3 BW : 3 CW; T5 - 2 BW : 4 CW and four sub-plot (amendments) treatments: Si - Control; S2 - Application of FYM @ 10 t ha'^; S3 - Gypsum application @ 1.36 t ha-i; S4 - Application of FYM @ 10 t ha-i + gypsum @ 1.36 t ha-i. The experimental soil was alkaline, medium in organic matter and available nitrogen, high in available phosphorus and potassium. The growth and yield parameters such as plant height, leaf area index, total dry matter, number of grains per cob, test weight and grain yield were significantly higher in T5 (2 BW : 4 CW) than Ti (BW only). The highest jdeld was recorded in Ts (53.99 q/ha) at the lowest yield in Ti (50.64 q/ha). Among the sub-plots, 84 (FYM + gypsum) recorded higher growth and yield parameters and uptake of nutrients than Si and were on par with S2 (FYM). The uptake of nutrients such as N, P, K, Ca and Mg was higher in T5 (2 BW : 4 CW) than Ti(BW only). The physical properties were slightly affected by application of borewell water (Ti). The salt content of soil determined after each irrigation was lower in Ts plot than Ti plot. Among the sub-plots receiving amendments, S4 (FYM + gypsum) recorded lower salt content than Si (control). The net returns and B:C ratio were found to be higher in treatments with no amendment. From the study, it can be inferred that either 2 BW : 4 CW or 3 BW : 3 CW modes of irrigation along with the application of amendments found to be good for sustainable maize production in areas where there is a short or delayed supply of canal water."