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EFFECT OF TIME OF BASAL FERTILIZER APPLICATION ON YIELD AND YIELD COMPONENTS OF MAIZE (Zea mays L.)
Abstract:
Response of two maize cultivars TZBSR-W (120 days maturity) and TZESR-W C90 days maturity) to time of basal fertilizer application was investigated at the research farm of the Institute for it , Agricultural Research, Samaru during the 1990 wet season. NPK fertilizer was basally applied at the rates of 60kg N/ha, 26.2 kg P/ha and 50kg K/ha. The two cultivars and four time of basal fertilizer application – 0, 10, 20 and 30 days after planting were laid out in a randomised complete block design with four replications. The study revealed that delaying basal fertilizer application to TZBSR-W up to 20 days had no significant influence on grain yield. delaying basal fertilizer application beyond 20 days significantly reduced grain yeild (3998 kg/ha). The cultivar TZESR-W did not respond significantly to time of basal fertilizer application (3649 kg/ha, 3655 kg/ha 3667kg/ha and 3574 kg/ha for 0, 10, 20 and 30 days, respectively) The cultivar TZBSR-W outyielded TZESR-W by 9.6%. Plant dry matter results showed that plants basally fertilized 30 days after planting recorded significantly lower plant dry matter at all times of sampling. Delaying basal fertilizer application significantly decreased plant height, ear height and leaf area index. Delaying basal i * fertilizer application significantly increased root lodging. Time of basal fertilizer application did not significantly affect stem lodging, number of ears, ear diameter, kerne] depth, Cob’ length and thousand grain weight. fertilizer application and leant lor cob Length and grain yield, variety was significant rnhq anci produced higher grain yiei TZBSR-W had longer cobs ana p TZESR-W.
EFFECT OF TIME OF BASAL FERTILIZER APPLICATION ON YIELD AND YIELD COMPONENTS OF MAIZE (Zea mays L.)
