A method and apparatus for baling crop materials using a baler with a pickup thereon for picking up crop materials from the ground and moving such crop materials towards a baling chamber. The housing parts are held together by a screw connection. The nanoparticle waveguide photonic system further includes a nearfield coupling modulator. For this purpose, a bridge provider is associated with each managed object that is supported by the Java providers. Solutions containing respective raw materials are made in an environment where an oxygen concentration is lower than that in air, the solutions containing the respective raw materials are mixed in an environment where an oxygen concentration is lower than that in air to form a mixture solution, and with use of the mixture solution, a composite oxide is formed by a hydrothermal method.