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鸡粪是身边自给的有饥质肥料之一。要想很好地使用,对其优缺点考查揭示十分必要。优点方面:(1)鸡粪是含有氮和磷分别约3%和1.3%的肥料,鸡粪主要作为蔬菜栽培的贵重宝肥。(2)由生粪变为腐熟肥及干燥的各种形态,也以这些形态上市销售。袋装的散装的及器具装的,可按量在田地中施用.(3)鸡粪与锯末树叶等混合,然后堆积起来,作为富含有机质的肥料加以利用。缺点方面:(1)因鸡粪中含有石灰,如长时间在同一田块上连续施用,可促使石灰堆积、使土壤碱性化。(2)如果每1.5亩一次施入干燥的或腐熟的鸡粪超过一吨以上,就能引起氮的过剩危害。(3)通常情况下,旱田施用,以施入后到有效成分
Chicken manure is self-sufficient with one of the hungry fertilizer. To be well used, it is necessary to reveal its advantages and disadvantages. Advantages: (1) Chicken manure is a fertilizer containing about 3% and 1.3% of nitrogen and phosphorus, respectively. Chicken manure is mainly used as precious treasure for vegetable cultivation. (2) from the excrement into rotten manure and dry various forms, but also in these forms for sale. Sacks in bulk and in utensils can be applied in the fields in quantities. (3) Chicken manure is mixed with sawdust leaves, etc. and then piled up for utilization as a fertilizer rich in organic matter. Disadvantages: (1) due to chicken manure contains lime, such as a long time in the same field on the continuous application, can promote the accumulation of lime, the soil alkaline. (2) If more than one ton of dry or compost chicken manure is applied per 1.5 mu, it can cause excess nitrogen hazard. (3) Under normal circumstances, dry field application to the active ingredients after the application