FEATURE-In wealthy Silicon Valley, a $500 million plan to save threatened farmland <!-- no image --> <div>SAN MARTIN, California, Aug 8 (Thomson Reuters Foundation) - W ith a swipe of his harvesting knife, Sam Thorpe frees a handful of spinach from its roots in the soil.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=wIxpATRWvyQ:QC1ogj4y5TQ:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?d=yIl2AUoC8zA" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=wIxpATRWvyQ:QC1ogj4y5TQ:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=wIxpATRWvyQ:QC1ogj4y5TQ:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=wIxpATRWvyQ:QC1ogj4y5TQ:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=wIxpATRWvyQ:QC1ogj4y5TQ:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/wIxpATRWvyQ" height="1" width="1" alt=""></div> Posted by Reuters