Test objective：Test the effect of Kangyuan humic acid on growth of tomatoes in Greenhouse

Test product: Kangyuan humic fertilizer of fruit and vegetable

Test time: Spring 2016

Test location: Zhangjiagang City Tongshi Town Golden wheat ecological farm

Test crop: Tomatoes

Application period: whole crop management

Test method:

USED: Kangyuan humic fertilizer of fruit and vegetable

UNUSED:Conventional fertilization treatment

Test results:

Figure 1: Tomato vegetative growth period

UNUSED：Crop growth is week, plant height is short, plant meristem growth is weak, the crop fruit rate is low ;

USED:Crop plants, vigorous growth, strong bud leaf vigorous growth, the crop fruit rate increased significantly.

Figure 2: Reproductive growth period of Tomato

UNUSED:Crop of fruit maturity late, the color is not bright enough, the results are less;

USED:Crop of fruit maturity early, bright color, full of fruit, fruit branches more.

Figure 3: Comparison of tomato fruit growth

UNUSED：The fruit is small, the color is dim, the fruit taste is dim;

USED:Individual fruit is large, bright color, fruit taste delicious, fruity full-bodied

Test results:

1:The nutrient growth and reproductive growth of tomato were significantly superior to that of conventional fertilization treatment after the application of the humic acid fertilizer

2: The application of humic acid fertilizer after Kangyuan package bean stem stout plump, flower bud differentiation more, higher yield

3: After the application of humic acid fertilizer,the physical and chemical properties of soil improved. Moss on the surface of the soil decreased, the soil color is dark red, increasing the content of organic matter, crumb structure increased and the salinization degree decreased significantly