Answer to Define base level and distinguish between ultimate base level and temporary (local) base level..
Niger is a oily seed which makes it an excellent energy source for the birds that eat it. But its oily nature also causes it to dry out AND LOSE ITS ATTRACTIVENESS TO BIRDS.Birds will turn their beaks to old niger seed.Avoid waste by only purchasing niger in a quantity you'll use in a month or two.ou may also see it called NygerÂ®. 3) NIGER SEED HAS A SHELL. As small as it is, a niger seed does have a shell. If you think birds aren't eating the seed because you see some on the ground, examine it more closely: you may be seeing mostly the thin niger hulls.
1.2MT/ha is possible with good growing conditions. Oil yields are 30-50% of seed yield. UTILISATION ï· seeds of Niger seed are crushed, giving about 30% of a clear, edible semi-drying oil which is yellow in colour and tastes of nuts.Seeds can also be used fried or as chutneys and condiments, or fed to caged birds.uizotia abyssinica is a ANNUAL growing to 1.8 m (6ft). It is in leaf 10-May It is in flower from Aug to September, and the seeds ripen from Sep to October.