Clorox Co. said it expects that its...

Clorox Co. said it expects that its net income for the first quarter ended Sept. 30 will show a solid gain over the year-earlier quarter, when the company earned $23 million . . . Arco Seed, a subsidiary of Atlantic Richfield, has acquired A.L. Castle Inc., a grower and supplier of hybrid and open-pollination tomato seed, for undisclosed terms . . . Newhall Land & Farming declared a 2-for-1 split of its partnership units and a 25% increase in the quarterly dividend . . . The shareholders of Command, Control & Communications Corp. approved a previously reported merger agreement under which the firm will become a wholly owned subsidiary of Whittaker Corp. . . . Sara Lee Chairman John H. Bryan said his company is in the final stages of negotiations to sell its Shasta soft-drink division to an unidentified party.