private void manajemenPupukToolStripMenuItem_Click(object sender, EventArgs e)
        {
            parameterPupuk halo = new parameterPupuk();

            halo.MdiParent = this;
            halo.Show();
        }
        private void tambahParameterToolStripMenuItem_Click(object sender, EventArgs e)
        {
            parameterPupuk tab3 = new parameterPupuk();

            tab3.MdiParent = this;
            keluarForm();
            tab3.Show();
        }