沼液对地膜小麦根系及产量影响研究

沼液浸种的地膜小麦具有合理的产量结构，比地膜小麦增产9.88%，比露地小麦增产67.65%，苗期着重促进了根系的发育，中后期更快地促进了地上部的生长发育，使植株的抗逆性增强。喷施叶面肥均表现为增产，其中KH₂PO₄效果最好，增产幅度11.94%～13.92%，其余依次为麦丰乐、沼液、红苹果2号，增产幅度不足6%，同时提高了株高、成穗数、穗粒数和粒重。

Effects methane liquid on root and yield of film mulched wheat

Film mulching plus seed soaking in methane liquid creates reasonable yield structure, which increases the yield of wheat by 9.88% and 67.65% compared with only film mulching and without mulching respectively. Its mechanism is to promote the development of wheat's root system in seedling stage and then enhance the growth of the plants above ground in middle and late stages which strengthens their ability of resisting adverse conditions. Four kinds of foliage spray were used that could increase yield by some extent. The KH₂PO₄ is the best. It increase yield by 11.94% to 13.92% than the control respectively. The others are Maifengle, Methane liquid, red apple No 2. Whose increase rate was less than 6%. All foliage spray can increase plant height, spike number, grain number per spike and grain weight.