mulch

还可以轻轻敲打花盆，如果听到比较空洞的声音，说明你的植物已经需要浇水了。5.After heavy rains or too much watering, he advises pulling away mulchtemporarily from around the roots. This will help dry the soil.大雨或浇水过多后，他建议将根部周围的护根物临时移走，这将有助于土壤变干。

3、播种完后以保鲜膜封住的表面，并且戳数个洞，可以保湿和防止种子受到外力的影响。最后将种子放在阴凉通风的地方，静待发芽。当发现已经发芽，应将盆子移至光线明亮处，但不可直接在太阳底下暴晒。当小苗高度顶到保鲜膜，可以除去保鲜膜。当小苗叶片约有5片以上时，就可以移植至其它盆中了。

红薯应在保证成活的基础上争取浅栽，栽插深度一般以5－6厘米为宜，栽插时要求封土严密，深浅一致，使叶片露出地面，浇水时不沾泥浆，秧苗露头要直，秧不宜露的过长，以防大风甩苗影响成活。四、田间管理 1、扎根缓苗阶段的管理，扎根缓苗阶段是从栽后长出新根到块根开始形成，历时1个月左右。红薯定...

Mulch around your landscaping. A three-inch layer of mulch holds moisture and prevents evaporation, reducing the need to water.Use a bucket when you wash the car, instead of the hose. Letting the water run while you work costs money and wastes water. Only use the hose to rinse...

陈亚新,史海滨,田存旺.地下水与土壤盐渍化关系的动态模拟.水利学报,1997,5:77～83 程竹华,张家宝,徐绍辉.黄淮海平原三种土壤中优势流现象的试验研究.土壤学报,1999,36(2):154～161 冯绍元,张瑜芳,沈荣开.非饱和土壤中氮素运移与转化试验及其数值模拟.水利学报,1996,8:8～15 冯绍元等.非饱和土壤中氮素运移与转化...

Most experts say the best way to mow your lawn is to avoid the day's heat by doing it in the morning. In addition, avoid mowing after heavy rains, as this will make mowing more difficult and cause clippings andmulch to bunch. Mow in overlapping horizontal or vertical lines ...