缺乏养分的

Arid and semiarid areas are main areas of food production in our country.

干旱和半干旱地区是我国重要的农业生产区，水分不足和养分缺乏是制约其生产发展的两个关键因素。

The results showed that the contents of soil total nitrogen and hydrolyzable nitrogen can be reduced by irrigation.

由于对土壤肥力这一科学概念缺乏严格的定义和明确的量化指标，使人们对土壤肥力的认识长期停留在感性认识阶段，因此，常用N、P、K和有机质等养分含量的多少来衡量土壤肥力的高低[10 ，14 ] 。

There is, if we are optimistic, the possibility that the diet of sentimental is too thin and unnourishing to have much permanent effect on anybody.

乐观地讲，可能现有的这些情感套餐太过贫瘠、缺乏养分来对任何人提供大量的持久影响。

Contain special ZTP and 6 kinds activity grass family cream compound, the sufficient nutriment breathes out on the fur organization who protects a pet , effective improvement in daily nursing , hoarse and diverge since the hair that the hard comb , unitary dog grain and ultraviolet ray lead to is dark specifically for being short of the nutrient quilt hair,daily usage can reach it does not matter whether to bestow favor on hair briskly or not.

含有特别的 ZTP 和6种活性草本精华复合物，针对缺乏养分的被毛，充分滋养呵护宠物的毛皮组织，有效改善在日常护理中，由于坚硬的梳子、单一的狗粮以及紫外线导致的毛发暗哑和分叉，日常使用能达到爱宠毛发清爽不油腻、清洁又不破坏宠物皮肤天生的保护层的双重效果。

In some green algae the type of reproduction may be altered if there are changes in environmental conditions, such as lack of moisture or nutrients.

在一些绿藻类型的复制可能改变，如果有变化的环境条件，如缺乏水分或养分。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。