PJB-2022-497
Wheat grain production as affected by phosphorous levels and seeding rates
Ghazanfar Ullah
Abstract
At Gomal University in KPK, Pakistan, the roles of phosphorus and seeding rate on the production of wheat were studied. Zam-04 wheat was planted at weights of 50, 75, 100, 125, 150, and 175 kg per hectare, combined with doses of 50, 80, 110, 140, 170, and 200 kg per hectare of phosphorus. The plots where phosphorous was treated at a rate of 140 kg ha-1 paired with a seeding rate of 125 kg ha-1 produced the highest grain yield in both growing seasons. The optimum percentage of harvest index and benefit cost ratio were achieved in both years using a seeding rate combination of 140 kg ha-1 and 125 kg ha-1. However, 1000-grain weight fell when seeding rates increased. Fertile tillers and grains per spike showed the similar trend as those seen for harvest index and benefit cost ratio. Phosphorus application at 140 kg per hectare and planting rate of 125kg ha-1 resulted in economically higher return.
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