First, breeding time should try to avoid the high temperature, because the female rabbit has a higher litter size in the environment below 25 °C, so should be in the morning and evening when the weather is relatively cool when the mating, when the rabbit's mental state is better, conceived T ......

I. Nitrogen disorders (1) Nitrogen deficiency symptoms: Nitrogen deficiency in vegetables generally indicates short plantlets, slow growth, chlorotic leaves and yellow leaves, sometimes the veins are purple, and the disease forms spread from the bottom up; severe nitrogen deficiency, showing whole ......

This kit is for research use only. Detection range: 96T 5pg/ml-160pg/ml purpose of usage: This kit is used to determine the antibody content of brucellosis in bovine serum, plasma and related liquid samples. Experimental principle The kit uses a double antigen sandwich method to determine the ......

Rice seedling transplanting machine, generally use dew or short buds. We can consider applying 30% preservative ECA of Syngenta Company to soil sealing after sowing, covering the soil and filling up with enough water, and use about 100 ml per acre to control the occurrence of alfalfa. Note that th ......

The flowering of wheat - the late grouting period is crucial to ensure the yield, and the management of water and fertilizer can not be relaxed later. Especially for modern high-product species, they are characterized by a large potential for late-stage yield increase and a greater need for nitroge ......

Introduction to the type of flange Clicks: 1261 Release time: 2011/6/1 Main: sanitary grade valves, sanitary fittings, sanitary pumps, stainless steel fittings, sanitary joints, stainless steel butterfly valves The flange is a flanged part. The flanges can be separate, called ......

Types and Symptoms of Paddy Rice Seedlings The rice seedlings grew abnormally after transplanting, which showed that the rice plants clustered and the leaves became smaller and smaller. The leaves showed auburn spots or reddish red; the growth was stagnant, the tillers rarely occurred, and the root ......

After entering the month of June, the temperature gradually increased and it was approaching the summer high temperature season. China Aquaculture Network reporter learned that the river crab breeding areas in Jiangsu, Anhui, Hubei, and other regions have been continuously experiencing drought for ......

1, nitrogen control method: appropriate reduction in the amount of nitrogen fertilizer at the seedling stage, must not be partial nitrogen fertilizer, so as to avoid the cold resistance of plants. Top dressing is early, in order to promote vegetable seedlings. Before the low temperature, you can&# ......

In summer and autumn, several methods of aerating oxygen in the water in the pond of Astragalus membranaceus have high water temperatures in summer and autumn, which may cause oxygen deficiency in the water body, which in turn causes the floating head of the astragalus, causing death in severe case ......