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豆科

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Bean rust caused by Uromyces appendiculatus and cowpea rust caused by U. vignea are important diseases of these corps in the world. Identification of these two Uromyces species has always been difficult in the past due to confusion in morphological feature and host range of the pathogens.

菜豆锈病菌与豇豆锈病菌所引起的豆科锈病为世界性重要病害,然过去由於此种锈菌之形态学与寄主范围的混淆不清,因而增加此两种锈病菌在鉴定上的困难。

Vicia amoena is a kind of legume which has large biomass ,high nutrition and large distribution.

豆科牧草中,山野豌豆是一种生物量大、营养成分高且分布广泛的优质牧草。

Growing sweet corn in summer could absorb redundant nutritional ingredients largely in the soil, but the number of fungi was high and the ratio of B/F is not obvious compared with CK. On the contrary, planting leafy vegetables had no obvious effect on the composing of soil microbe and the decruce of the number of pathogen of cucumber, although it could reduce the content of salty in the soil. The crop green manure of villose vetch could reduce the content of salty in the degree, but the sum of microbe in the soil reduced a little.

夏季休闲期间种植甜玉米可大量吸收土壤中多余的营养成分,但真菌数量偏高,B/F值与对照相比相差不大;种植速生叶菜虽然能降低土壤盐分含量,但对降低黄瓜致病菌数量和改善微生物区系组成方面无显著效果;豆科作物毛苕子在一定程度上降低了土壤盐分含量,但土壤微生物总量有所减少。

From green up stage to withering stage, the percentage of Leguminosae, Gramineae, and Violaceae decreased and however, the percentage of Compositea and Labiatae increased greatly.

2从返青期到枯黄期,种子库中豆科、禾本科、堇菜科所占比例呈下降趋势,唇形科和菊科所占比例明显提高,种子库的密度也显著提高。

In order to improve nitrogen use efficiency and to reduce environmental pollution from excessive nitrogen application, soil nitrate-N content and accumulation in intercropped legume-maize under 0 and 225kghm^(-2) application were investigated in the Hexi Corridor of Gansu Province.

为提高氮肥利用效率,减少过量施用氮肥对环境造成的污染,本文以甘肃省河西灌区为试验地点,在0和225kghm^(-2)氮水平下,探讨了蚕豆、豌豆、大豆3种豆科作物与玉米间作对土壤硝态氮累积和分布的影响。

There was an interaction between maize and intercrops in Cd uptake. Legumes absorbed smaller amount of Cd but significantly increased the Cd uptake by maize, while amaranth was in adverse. Rape had a higher level of Cd concentration in its shoot, but reduced the Cd in aboveground part of maize.

间作植物与玉米对Cd的吸收具有不同的交互作用特征,豆科作物在自身较少吸收Cd的条件下,显著提高了玉米对Cd的积累;籽粒苋在自身大量累积Cd的同时,一定程度上抑制了与其间作的玉米的Cd累积量;油菜地上部分吸收较多的Cd,但降低了玉米地上部分Cd含量。

The symbiosis formed by rhizobia and legume host plays an important role in agriculture.

根瘤菌与豆科植物形成的共生固氮体系在农业生产中具有重要作用。

To ensure N available from BNF does not limit legume yield, many farmers inoculate their crops with rhizobia.

为确保来自生物固氮的有效氮不限制豆科作物的产量,许多农民用根瘤菌接种他们的作物。

The symbioses between Rhizobium and legumes and between Frankia and certain tree species reduce atmospheric N2 to forms available to the plant.

根瘤菌与豆科植物,弗兰克氏菌与某些树种形成的共生关系可以把空气中氮气还原成对植物有效形态。

Indian couchgrass and bahia grass\'s is better during the latter period.

豆科牧草在某些时期盖度相当好。

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