PJB-2024-602
SOYBEAN SEED OPTIMIZATION UNDER SEED INTENSIFICATION AND SEEDBED PRACTICES
Sohaib Khan
Abstract
Soybeans (Glycine max L.) belongs to the Fabaceae family and is highly valued crop due to their protein and oil content. Seed intensification and seedbed preparation are important factors in ensuring successful seed germination and production. A field experiment was carried out in Agronomy Research Farm, The University of Agriculture Peshawar to check better seed rates and seedbed practices for bumper production of soyabean crop. Randomized completely block design with four application was used in this study. The factors investigated had four levels, seed rates (40, 42, 44 and 46 kg ha-1) and seedbed practices (Farmer practice, Raised bed edge, Ridge top and Band practice). Analysis of data showed that in case of seed intensification, seed rate of 46 kg ha⁻¹ showed higher emergence (17.4 m⁻²), higher branches plant-1 (4.5 branches), higher plant population (17 plants m⁻²) and maximum biological yield (4461 kg ha⁻¹). Seed rate of 42 kg ha⁻¹ gave the higher number of pods plant-1 (63.3 pods), higher number of seeds pod-1 (3.6 seeds), higher thousand seed weight (154.3 g), higher seed yield (2116 kg ha⁻¹) and higher harvest index (54%). While in case of seedbed practices, band practices showed higher emergence (14.7 m⁻²), higher number of branches plant-1 (4.1 branches), higher plant population (15 plants m⁻²), higher number of pods plant-1 (65.7 pods), higher number of seeds pod-1 (3.4 seeds), higher thousand seed weight (152.3 g), maximum biological yield (4379 kg ha⁻¹), higher seed yield (2112 kg ha⁻¹) and higher harvest index (50%). The combination of seed rate 46 kg ha⁻¹ with band practices achieved higher biological yield (4461) kg ha⁻¹. In contrast, the combination of a 42 kg ha⁻¹ seed rate with band practices resulted in the maximum thousand seed weight of (156.4 g), higher seed yield (2116 kg ha⁻¹) and maximum harvest index (54%). From the results it is concluded that seed rate of 42 kg ha⁻¹ when sown bands gave good performance and higher production of soyabean and is recommended for cultivation of soyabean.
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