mulched

v.

用护根覆盖（植物根部或其周围地面）( mulch的过去式和过去分词 )；

1. Black plastic mulch can help keep them warm.
   用黑塑料护根能帮助它们保持温暖。
2. Organic mulch improves the condition of soil.
   有机农地膜可以改善土壤环境。
3. Too much mulch can restrict oxygen and water flow.
   过多的护根则有碍于氧气和水流通。

1. If you mulch it, it will reduce the evaporation of water.
   如果你铺上护盖就可以减少水份的蒸发。
2. The kids seem to always disappear when it's time to plant, mulch, or weed.
   当种植、护根、除草时孩子们总是消失。

Aphid suppression by natural enemies in mulched cereals.
Temperature and Moisture Regimes in Soils Mulched with Transparent Polyethylene1
Fumigant alternative to methyl bromide for polyethylene mulched tomato
Fumigant alternatives to methyl bromide for polyethylene-mulched tomato
SOIL TEMPERATURE, SOIL MOISTURE AND MAIZE YIELD FROM MULCHED AND UNMULCHED TROPICAL SOILS
Temperature and moisture regimes in soils mulched with transparent polyethylene [Micro-climate in soils].
Postanthesis Dry Matter Accumulation and Redistribution in Spring Wheat Mulched with Plastic Film
How two ridges and the furrow mulched with plastic film affect soil water, soil temperature and yield of maize on the semiarid Loess...
Mechanisms of High Yield and Irrigation Water Use Efficiency of Rice in Plastic Film Mulched Dryland
Dynamics of soil microbial biomass C and soil fertility in cropland mulched with plastic film in a semiarid agro-ecosystem.