防治果树缺铁症的新方法缺铁症是果树生产上常见的一种生理病害，有效的防治对果树生产具有重要意义。试验表明，采用以下方法可以治此病：每１５ｋｇ新鲜马粪与０．５ｋｇ废铁屑混合，堆放在背风向阳处，发酵１～２个月，在秋季或春季作基肥施入果树根部，这样就可以补充... New method of preventing and curing iron deficiency in fruit trees Iron deficiency is a common physiological disease in fruit tree production. Effective prevention and control is of great significance to fruit tree production. Experiments show that the following methods can be used to treat the disease: every 15kg of fresh horse manure and 0.5kg scrap iron mixed, stacked in the leeward sunny place, fermentation 1 to 2 months, in autumn or spring as a base fertilizer applied to the roots of fruit trees, so You can add ...