Effect of Rock Phosphate Augmented with Humic Acid on Phosphorus uptake and Yield of Wheat (Triticum aestivum L.)
Sonia Sumreen1, Muhammad Sharif2, Tariq Sultan1 and Ijaz Ali1*
1Land Resources Research Institute, National Agricultural Research Centre, Islamabad-45500, Pakistan; 2Department of Soil and Environmental Sciences, The University of Agriculture Peshawar, Pakistan.
*Correspondence | Ijaz Ali, Land Resources Research Institute, National Agricultural Research Centre, Islamabad-45500, Pakistan; Email:
[email protected]
Figure 1:
Effect of rock phosphate with and without different levels of humic acid on P uptake by wheat. Where RP, rock phosphate; RP+HA-5, rock phosphate with humic acid @ 5 kg ha-1; RP+HA-10, rock phosphate with humic acid @ 10 Kg ha-1. Bars having different letter(s) are significantly different at P ≤ 0.05.
Figure 2:
Effect of rock phosphate with and without different levels of humic acid on N uptake by wheat. Where RP, rock phosphate; RP+HA-5, rock phosphate with humic acid @ 5 kg ha-1; RP+HA-10, rock phosphate with humic acid @ 10 Kg ha-1. Bars having different letter(s) are significantly different at P ≤ 0.05.
Figure 3:
Effect of rock phosphate with and without different levels of humic acid on K uptake by wheat. Where RP, rock phosphate; RP+HA-5, rock phosphate with humic acid @ 5 kg ha-1; RP+HA-10, rock phosphate with humic acid @ 10 Kg ha-1 Bars having different letter(s) are significantly different at P ≤ 0.05.
Figure 4:
Effect of rock phosphate with and without different levels of humic acid on grain production of wheat. Where RP, rock phosphate; RP+HA-5, rock phosphate with humic acid @ 5 kg ha-1; RP+HA-10, rock phosphate with humic acid @ 10 Kg ha-1 Bars having different letter(s) are significantly different at P ≤ 0.05.
Figure 5:
Effect of rock phosphate with and without different levels of humic acid on total dry matter production of wheat. Where RP, rock phosphate; RP+HA-5, rock phosphate with humic acid @ 5 kg ha-1; RP+HA-10, rock phosphate with humic acid @ 10 Kg ha-1 Bars having different letter(s) are significantly different at P ≤ 0.05.
Figure 6:
Effect of rock phosphate with and without different levels of humic acid on straw production of wheat. Where RP, rock phosphate; RP+HA-5, rock phosphate with humic acid @ 5 kg ha-1; RP+HA-10, rock phosphate with humic acid @ 10 Kg ha-1 Bars having different letter(s) are significantly different at P ≤ 0.05.