Scarlett had not intended to do any cotton-picking herself, even after grandma fontaine's tart remark . 思嘉莉特虽然领教过方老太太那一番尖刻的教训，却仍然不打算亲自下田去采棉。
2.
Taboo ： saying something unlucky or working in the field 禁忌：说不吉利的话、下田工作。
3.
Be polluted to prevent fountainhead and crop , do not leave field with fresh excrement and urine , the clothings that does not wash armour liver patient inside river , pond 为防止水源和农作物受到污染，不要用新鲜粪便下田，不要在河、塘内洗甲肝病人的衣物等。
4.
In some , the landowners are a class in themselves , almost entirely separate from the classes engaged in industry . in others , the proprietor of the land is almost universally its cultivator , owning the plough , and often himself holding it 在一些地方，土地所有者是独立的阶级，几乎完全脱离生产，在另一些地方，土地所有者则几乎全都是耕种者，亲自扶犁下田。
5.
Nitrate content of rape and coriander increased with higher nitrogenous fertilizer application and lower water supply . nitrogen leaching in the soil increased with higher nitrogenous fertilizer application and water supply in column and micro - plot experiments , especially on higher irrigation and higher nitrogenous fertilizer . there was little nitrogen leaching when n application was below 135 kg / hm2 , but n use at a rate of 270 kg / hm2 increased nitrogen leaching in the soil 在一定的施氮量下，硝态氮的积累峰值随着灌水量的增加而下移， 150mm灌水量下田区试验和模拟土柱试验0 100cm土体内硝态氮的积累峰值分别出现在0 30cm和50 70cm ； 250mm灌水量下分别出现在40 60cm和60 80cm ； 350mm灌水量下田区试验中0 100cm土体硝态氮没有出现峰值，而模拟土柱试验在80 100cm则有明显的积累。
