查询词典 cover crop

But the vegetations changes in plain zone were slower.(4) Study on the driving forces and driving mechanism of the change of vegetation cover in HHH zone The farmland vegetation area received the common drive of climate and the society factors, but climate factors were the main driving forces for annual harvest crop or biannual irrigated and dry harvest crop, and society factors were the main driving forces for biannual harvest crop or biyearly tri-harvest dry crop.

4黄淮海地区植被覆盖变化驱动力与驱动机制研究不同植被覆盖类型，其NDVI变化的驱动力不同：一年一熟粮作区植被覆盖变化受到气候和社会经济因子的共同驱动，但以气候驱动为主；一年两熟或两年三熟旱作区植被覆盖变化受到社会经济和气候因子的共同驱动，但在主要驱动因子中，社会经济的影响更大一些；一年水旱两熟粮作植被覆盖变化主要受气候因子驱动，同时，社会经济因子也会在一定程度上影响植被NDVI的变化。

But the vegetations changes in plain zone were slower.(4) Study on the driving forces and driving mechanism of the change of vegetation cover in HHH zoneThe farmland vegetation area received the common drive of climate and the society factors, but climate factors were the main driving forces for annual harvest crop or biannual irrigated and dry harvest crop, and society factors were the main driving forces for biannual harvest crop or biyearly tri-harvest dry crop.

4黄淮海地区植被覆盖变化驱动力与驱动机制研究不同植被覆盖类型，其NDVI变化的驱动力不同：一年一熟粮作区植被覆盖变化受到气候和社会经济因子的共同驱动，但以气候驱动为主；一年两熟或两年三熟旱作区植被覆盖变化受到社会经济和气候因子的共同驱动，但在主要驱动因子中，社会经济的影响更大一些；一年水旱两熟粮作植被覆盖变化主要受气候因子驱动，同时，社会经济因子也会在一定程度上影响植被NDVI的变化。

The maoba book: no books long hair, which means a locked line but did not cover crop of blankcontinuous books.

毛书：不是书本长毛，指锁好线而未上封面裁切的坯书。

Soil management between rows was with a permanent cover crop of fescue while the tree rows were treated with herbicide in a strip 1 m in width.

土壤管理与一个永久的封面一排排的农作物的果树行间草草地处理除草剂草甘膦1米宽条。

There was no fertilizer application for the mung bean and the mucuna cover crop.

12个处理为完全随机区组设计，3次重复，种植方式为旱稻-花生-绿豆或黎豆，其中绿豆或黎豆不施肥。

Under different winter cover crop conditions, the ability of absorption of nutrients and growth of late rice were improved, so that the biomass accumulation of late rice of T1, T2, T3, T4 were higher than that of CK.

结果表明：不同冬季覆盖植物均能改善稻田土壤肥力状况，提高稻田土壤有机碳和全氮的含量，促进晚稻对养分的吸收和植株生长发育。

As a part of "Outstanding Young Researcher project- Water Erosion Predicting model", the purpose of this study is to do research on the method for estimating Cover and Management Factor in China, to evaluate the effects of crop cover in different stages by estimating soil loss ratio of individual crop stage period, and to compare the effects of different land use patterns by their average annual value of C factor.

本研究作为杰出青年基金项目《土壤水蚀预报模型研究》的一部分，目的在于探讨我国覆盖与管理因子的计算方法，估计不同耕作制度下农地多年平均C值；通过估计不同农作期土壤流失率评价作物发育不同时期对土壤侵蚀的作用；通过估计多年平均覆盖与田间管理因子分析不同土地利用方式的水土保持效益。

Harvesting the corn stalks or the cover crop to make cellulosic ethanol also reduces nitrous oxide emissions and reduces overall greenhouse gas levels because the ethanol is used instead of gasoline.

收获的玉米秸秆复盖作物或作纤维素乙醇氧化亚氮排放量也减少，降低总体由于温室气体排放量，而不是用乙醇汽油。

There was no obvious different in panicle length, fresh weight of panicle and seed setting rate of late rice under different winter cover crop conditions.

稻田冬季覆盖植物有利于改善晚稻产量构成因素，不同程度地提高水稻产量，分别比对照增加649.67，558.64，437.26，783.82kg/hm^2。

A onetime broadcast application of 1,000 kg/ha reactive rock phosphate (or an equivalent in monetary terms of TSP and lime) in combination with the establishment of a fast growing legume cover crop e.g.

一次性撒施活性磷矿粉1000公斤/公顷（或等价值的重过磷酸钙+石灰），并结合种植快生豆科覆盖植物（如，交趾支那黎豆 Mucuha cochinchinensis）。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。