The paper studied the variety of microbe in raw milk with milking time changing, the result showed that with milking time prolonged, the total bacterial content and total spore content descent gradually ,so it was one of measures of produced high quality raw milk that disused three holding milk at beginning.

In this paper are given some of sufficient conditions for finite determinacy relative to right equivalent group of smooth function-germs to be preserved under the operation of function germs.

In this paper, the zero-sets of function germs is embeded into some highter space and then it is projected to low space as submanifolds in high space.

In this paper, we carry out a research into the special case, that is the finite determinacy of smooth function germs under various subgroups of right equivalent group.

Alfalfa seeds of 13 varieties were treated with different concentrations of NaCl solution and the germination capacity,shoot length,root length,germination index,limiting concentration,half lethal concentration were measured to determine the effect of salt stress on germination.

Seed germination percentage,germination index,and activity index of taller seedlings were better .

Centipedegrass seeds were treated with NaOH,H2SO4,KNO3,rubbing and low temperature and the results indicated that the best treatment was to treat the seed with 50 g/L NaOH for 15 min,and the germination rate,germination vigor and germination index were 97.

) Osbeck buds grafted in the higher position of pomelo trees with 8 years by the single bud cut grafting method was conducted to investigate effects of budding amount on the tree crown,spring branch and yield.

The results showed that the total buds of browse of different clones were mainly determined to theirs age, planting density and characteristics, and had close relationship to theirs seedling height, pruning density and fertilization.