Applied and Environmental Soil Science

Research Article

Effect of Compost, Blended (NPSZn), and Potassium Chloride Fertilizers on Soil Bulk Density and Moisture Content in Two Soil Textural Groups of Tigray, Northern Ethiopia

Table 1

Description of the treatments.


Treatment	Treatment description

Control	An experimental plot without any application of compost, NPSZn, and KCl fertilizers
120KCl	120 kg·ha⁻¹ of KCl
210KCl	210 kg·ha⁻¹ of KCl
300KCl	300 kg·ha⁻¹ of KCl
60NPSZn	60 kg·ha⁻¹ of NPSZn
60NPSZn + 120KCl	60 kg·ha⁻¹ of NPSZn plus 120 kg·ha⁻¹ of KCl
60NPSZn + 210KCl	60 kg·ha⁻¹ of NPSZn plus 210 kg·ha⁻¹ of KCl
60NPSZn + 300KCl	60 kg·ha⁻¹ of NPSZn plus 300 kg·ha⁻¹ of KCl
120NPSZn	120 kg·ha⁻¹ of NPSZn
120NPSZn + 120KCl	120 kg·ha⁻¹ of NPSZn plus 120 kg·ha⁻¹ of KCl
120NPSZn + 210KCl	120 kg·ha⁻¹ of NPSZn plus 210 kg·ha⁻¹ of KCl fertilizers
120NPSZn + 300KCl	120 kg·ha⁻¹ of NPSZn plus 300 kg·ha⁻¹ of KCl fertilizers
20Com	20 t·ha⁻¹ of compost
20Com + 120KCl	20 t·ha⁻¹ of compost plus 120 kg·ha⁻¹ of KCl
20Com + 210KCl	20 t·ha⁻¹ of compost plus 210 kg·ha⁻¹ of KCl
20Com + 300KCl	20 t·ha⁻¹ of compost plus 300 kg·ha⁻¹ of KCl
20Com + 60NPSZN	20 t·ha⁻¹ of compost plus 60 kg·ha⁻¹ NPSZn
20Com + 60NPSZn + 120KCl	20 t·ha⁻¹ of compost plus 60 kg·ha⁻¹ NPSZn plus 120 kg·ha⁻¹ KCl
20Com + 60NPSZn + 210KCl	20 t·ha⁻¹ of compost plus 60 kg·ha⁻¹ NPSZn plus 210 kg·ha⁻¹ KCl
20Com + 60NPSZn + 300KCl	20 t·ha⁻¹ of compost plus 60 kg·ha⁻¹ NPSZn plus 300 kg·ha⁻¹ KCl
20Com + 120NPSZn	20 t·ha⁻¹ of compost plus 120 kg·ha⁻¹ NPSZn
20Com + 120NPSZn + 120KCl	20 t·ha⁻¹ of compost plus 120 kg·ha⁻¹ NPSZn plus 120 kg·ha⁻¹ KCl
20Com + 120NPSZn + 210KCl	20 t·ha⁻¹ of compost plus 120 kg·ha⁻¹ NPSZn plus 210 kg·ha⁻¹ KCl
20Com + 120NPSZn + 300KCl	20 t·ha⁻¹ of compost plus 120 kg·ha⁻¹ NPSZn plus 300 kg·ha⁻¹ KCl

KCl (kg·ha⁻¹): potassium chloride (K₂O form) fertilizer; NPSZn (kg·ha⁻¹): 17.7N-35.3P2O5-0 + 6.5S + 2.5Zn; +: plus (treatment combinations); Com: compost (t·ha⁻¹).