EFFECT OF SOME NUTRIENT TREATMENTS ON LUPIN (LUP1NUS TERMS L.) IN SANDY SOILS

EL-GHARIB, EL-GHAREB A.; NEGM, ABDEL-WAHED Y.; ZAHRAN, FAHMY A. F.

doi:10.21608/ejar.1994.452067

EFFECT OF SOME NUTRIENT TREATMENTS ON LUPIN (LUP1NUS TERMS L.) IN SANDY SOILS

Document Type : Original Article

Authors

¹ Faculty of Agriculture, Alazhar university, Cairo, Egypt.

² Soil and water Research Institute. Agricultural Research Centre, Giza, Egypt

10.21608/ejar.1994.452067

Abstract

The objective of this research is to study the effect of phosphorus (30,45,60 and 75Kg P205/fed.) and potassium (48 and 72 Kg K20/ fed.) applications as a single or in combinations, on lupin yield and some growth characters as well as seed nutrient content of Giza 2 variety. The obtained results showed that P application at 60Kg P205/fed. alone or in combination with 48kg K20/fed. gave significant increases in plant height and number of branches and pods/plant, whereas its combination with 72Kg K20/fed. significantly increased 100- seed weight and straw and seed yeild /fed. as compared to control. Increasing P level up to 60Kg P205/fed. increased seed contents of protein, P and K. K application at 72Kg K20/fed. decreased seed protein and increased P and K percentages in seeds. All combination treatments. except for the combination of 45Kg P205 with 48 or 72 Kg K20/fed ., significantly increased seed contents of protein , P and K. It could be concluded that 60Kg P205/fed. can be recommended for lupin fertilization in sandy soils.