Abstract
This research was conducted with the aim to quantify the effect of phosphorus and potassium fertilization on forage yield of berseem (Trifolium alaxandrium). The experiment was carried out at the Research Farm of Khyber Pakhtunkhwa, Agricultural University Peshawar, Pakistan during the cropping season of 2004 to 2005. Randomized complete block design (RCBD) having four replications was used for the experiment. Significant differences were found among the treatments for number of branches per plant, fresh forage yield and dry forage yield. The highest number of branches per plant (9.15), fresh forage yield (6077 kg ha-1) and dry forage yield (156.83 kg ha-1) were recorded in plots with 60 kg P ha-1 x 30 kg K ha-1 treatments, while the lowest values of 6.93, 5430 kg ha-1 and 153.80 kg ha-1for branches per plant, fresh forage yield and dry forage yield, respectively were recorded in the plots with no fertilizer (control). Emergence (m-2) and plant height of berseem were non-significantly affected by phosphorus and potassium fertilization. So, it was concluded that berseem showed better performance in terms of higher forage yield under 60 kg P ha-1 x 30 kg K ha-1 levels in Peshawar valley. Key words: Phosphorus, potassium, forage yield, berseem.
Highlights
In Pakistan, the major fodder crops during winter (Rabi) include berseem (Trifolium alaxandrium), shaftal (Trifolium resipunatum), lucerne (Medicago sativa), oats (Avena sativa), barley (Hordium vulgare) and mustard (Brassica compestris); while during summer (Kharif), these comprise maize (Zea mays), sorghum (Sorghum bicolor) and millets
This research was conducted with the aim to quantify the effect of phosphorus and potassium fertilization on forage yield of berseem (Trifolium alaxandrium)
The possible reason may be due to improper utilization of phosphorus and potassium
Summary
In Pakistan, the major fodder crops during winter (Rabi) include berseem (Trifolium alaxandrium), shaftal (Trifolium resipunatum), lucerne (Medicago sativa), oats (Avena sativa), barley (Hordium vulgare) and mustard (Brassica compestris); while during summer (Kharif), these comprise maize (Zea mays), sorghum (Sorghum bicolor) and millets. These crops cover 16 to 19% of the total cropped area in Pakistan. In many parts of Pakistan, there is a serious shortage of fodder for livestock, and the available fodder is often of poor quality. That is, hilly areas of northern Pakistan where conserved fodder is in the form of maize stalk, wheat straw is traditionally fed during winter and spring
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