果树缺铁症防治新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，采用以下方法可以防治此病，每１５公斤新鲜马粪与０．５公斤废铁屑混合，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，这样就可以补充土... Iron deficiency disease prevention and treatment of new law Iron deficiency is a common fruit tree physiological diseases, effective prevention and control of fruit production is of great significance. Tests show that the following methods can be used to prevent and treat the disease. Every 15 kilograms of fresh horse manure and 0.5 kilograms of 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 soil ...